FPCN11 CWTO 180900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Thursday 18 September 2025 for
today and Friday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Increasing cloudiness. Wind becoming northwest 20 km/h this
afternoon. High 28. Humidex 33. UV index 6 or high.
Tonight..Partly cloudy. Wind north 20 km/h. Low 13.
Friday..Mainly cloudy. Clearing early in the afternoon. High 21. UV
index 6 or high.

Windsor - Leamington - Essex County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 29. Humidex 35. UV index 7 or high.
Tonight..Mainly cloudy. Low 17.
Friday..Mainly cloudy. Wind becoming northeast 20 km/h in the
afternoon. High 24. Humidex 29. UV index 5 or moderate.

Chatham-Kent - Rondeau Park.
Today..Mainly sunny. Fog patches dissipating this morning. High 28.
Humidex 34. UV index 7 or high.
Tonight..Partly cloudy. Wind north 20 km/h becoming light late this
evening. Low 14.
Friday..Mainly cloudy. High 23. Humidex 28. UV index 6 or high.

Sarnia - Petrolia - Western Lambton County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 28. Humidex 33. UV index 6 or high.
Tonight..Cloudy. Low 14.
Friday..Cloudy. Becoming a mix of sun and cloud in the afternoon.
Wind becoming north 20 km/h in the afternoon. High 22. Humidex 25.
UV index 4 or moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 28. Humidex 33. UV index 6 or high.
Tonight..Mainly cloudy. Low 14.
Friday..Cloudy. Becoming a mix of sun and cloud in the morning. Wind
becoming north 20 km/h in the afternoon. High 22. Humidex 25. UV
index 6 or high.

Rodney - Shedden - Western Elgin County.
Today..Clear. Becoming a mix of sun and cloud this morning. Fog
patches dissipating this morning. High 27. Humidex 33. UV index 7 or
high.
Tonight..Partly cloudy. Low 13.
Friday..Mainly cloudy. High 23. Humidex 26. UV index 5 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Clear. Becoming a mix of sun and cloud this morning. Fog
patches dissipating this morning. High 27. Humidex 33. UV index 7 or
high.
Tonight..Partly cloudy. Low 13.
Friday..Mainly cloudy. High 23. Humidex 26. UV index 6 or high.

Strathroy - Komoka - Western Middlesex County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming northwest 20 km/h this afternoon. High 27. Humidex 32.
UV index 7 or high.
Tonight..Mainly cloudy. Low 12.
Friday..Mainly cloudy. High 23. Humidex 25. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming northwest 20 km/h this afternoon. High 27. Humidex 32.
UV index 7 or high.
Tonight..Partly cloudy. Becoming cloudy before morning. Low 12.
Friday..Mainly cloudy. High 23. Humidex 25. UV index 6 or high.

Simcoe - Delhi - Norfolk.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 28. Humidex 33. UV index 7 or high.
Tonight..Increasing cloudiness. Low 12.
Friday..Mainly cloudy. High 23. UV index 6 or high.

Dunnville - Caledonia - Haldimand.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 28. Humidex 34. UV index 7 or high.
Tonight..Mainly cloudy. Low 13.
Friday..Mainly cloudy. High 22. UV index 6 or high.

Woodstock - Tillsonburg - Oxford County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming west 20 km/h this afternoon. High 29. Humidex 34. UV
index 6 or high.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light this
evening. Low 12.
Friday..A mix of sun and cloud. High 23. UV index 6 or high.

Brantford - County of Brant.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming west 20 km/h this afternoon. High 29. Humidex 34. UV
index 6 or high.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light this
evening. Low 12.
Friday..A mix of sun and cloud. High 23. UV index 6 or high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly sunny. Fog patches dissipating this morning. High 27.
Humidex 34. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy late this evening. Low 14. Friday..Cloudy. Clearing in the afternoon. High 21. UV index 5 or
moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 27. Humidex 34. UV index 6 or high.
Tonight..Mainly cloudy. Low 14.
Friday..Cloudy. Clearing in the afternoon. High 21. UV index 6 or
high.

City of Hamilton.
Today..Mainly sunny. Increasing cloudiness late this morning. Fog
patches dissipating this morning. Wind becoming west 20 km/h this
afternoon. High 28. Humidex 33. UV index 7 or high.
Tonight..Mainly cloudy. Low 13.
Friday..Mainly cloudy. Clearing early in the afternoon. High 21. UV
index 6 or high.

Burlington - Oakville.
Today..Increasing cloudiness. High 28. Humidex 34. UV index 6 or
high.
Tonight..Mainly cloudy. Low 13.
Friday..Mainly cloudy. Clearing early in the afternoon. High 21. UV
index 6 or high.

Halton Hills - Milton.
Today..Increasing cloudiness. High 28. Humidex 34. UV index 6 or
high.
Tonight..Partly cloudy. Low 13.
Friday..Mainly cloudy. Clearing near noon. High 21. UV index 6 or
high.

Mississauga - Brampton.
Today..Increasing cloudiness. High 28. Humidex 34. UV index 6 or
high.
Tonight..Partly cloudy. Low 13.
Friday..Mainly cloudy. Clearing early in the afternoon. High 21. UV
index 6 or high.

Caledon.
Today..Mainly cloudy. Wind becoming north 20 km/h late this morning.
High 26. Humidex 32. UV index 6 or high.
Tonight..Mainly cloudy. Low 11.
Friday..Clearing. High 19. UV index 6 or high.

Vaughan - Richmond Hill - Markham.
Today..Increasing cloudiness. Wind becoming northwest 20 km/h this
afternoon. High 28. Humidex 34. UV index 6 or high.
Tonight..Partly cloudy. Wind northwest 20 km/h becoming light this
evening. Low 11.
Friday..Mainly cloudy. Clearing early in the afternoon. High 21. UV
index 6 or high.

Newmarket - Georgina - Northern York Region.
Today..Increasing cloudiness early this morning. Wind becoming
northwest 20 km/h late this morning. High 26. Humidex 32. UV index 6
or high.
Tonight..Mainly cloudy. Low 10.
Friday..Mainly cloudy. Clearing near noon. High 19. UV index 6 or
high.

Pickering - Oshawa - Southern Durham Region.
Today..Increasing cloudiness. High 27. Humidex 33. UV index 6 or
high.
Tonight..Mainly cloudy. Low 11.
Friday..Mainly cloudy. Clearing near noon. High 20. UV index 6 or
high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Increasing cloudiness early this morning. Wind becoming
northwest 20 km/h late this morning. High 26. Humidex 32. UV index 6
or high.
Tonight..Mainly cloudy. Low 10.
Friday..Clearing late in the morning. High 19. UV index 6 or high.

Goderich - Bluewater - Southern Huron County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 26. Humidex 33. UV index 6 or high.
Tonight..Mainly cloudy. Low 10.
Friday..Mainly cloudy. Clearing early in the afternoon. Wind becoming
north 20 km/h late in the morning. High 22. UV index 6 or high.

Wingham - Blyth - Northern Huron County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming west 20 km/h late this morning. High 26. Humidex 33.
UV index 6 or high.
Tonight..Mainly cloudy. Fog patches developing overnight. Low 10.
Friday..A mix of sun and cloud. Clearing near noon. Fog patches
dissipating in the morning. High 20. UV index 6 or high.

Stratford - Mitchell - Southern Perth County.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming northwest 20 km/h late this morning. High 27. Humidex
34. UV index 6 or high.
Tonight..Partly cloudy. Fog patches developing overnight. Low 9.
Friday..A mix of sun and cloud. Fog patches dissipating in the
morning. High 22. UV index 6 or high.

Listowel - Milverton - Northern Perth County.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming northwest 20 km/h late this morning. High 27. Humidex 34.
UV index 6 or high.
Tonight..Partly cloudy. Fog patches developing overnight. Low 9.
Friday..Mainly cloudy. Clearing near noon. Fog patches dissipating in
the morning. High 22. UV index 6 or high.

Kitchener - Cambridge - Region of Waterloo.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming west 20 km/h late this morning. High 27. Humidex 32.
UV index 6 or high.
Tonight..Partly cloudy. Fog patches developing overnight. Wind
northwest 20 km/h becoming light this evening. Low 10.
Friday..A mix of sun and cloud. Fog patches dissipating in the
morning. High 22. UV index 6 or high.

Guelph - Erin - Southern Wellington County.
Today..Increasing cloudiness early this morning. Fog patches
dissipating this morning. Wind becoming west 20 km/h late this
morning. High 27. Humidex 32. UV index 6 or high.
Tonight..Partly cloudy. Fog patches developing overnight. Wind
northwest 20 km/h becoming light this evening. Low 10.
Friday..Mainly cloudy. Clearing late in the morning. Fog patches
dissipating in the morning. High 21. UV index 6 or high.

Mount Forest - Arthur - Northern Wellington County.
Today..Mainly cloudy. Fog patches dissipating this morning. High 25.
Humidex 30. UV index 5 or moderate.
Tonight..Mainly cloudy. Fog patches developing overnight. Wind
becoming northeast 20 km/h late this evening. Low 9.
Friday..Mainly cloudy. Clearing late in the morning. Fog patches
dissipating in the morning. High 19. UV index 6 or high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly cloudy. Wind becoming northwest 20 km/h this afternoon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy this evening. Wind northwest
20 km/h becoming light this evening. Low 9.
Friday..Clearing. High 18. UV index 6 or high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly cloudy. Wind becoming northwest 20 km/h this afternoon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy this evening. Wind northwest
20 km/h becoming light this evening. Low 9.
Friday..Mainly cloudy. Clearing late in the morning. High 18. UV
index 6 or high.

Innisfil - New Tecumseth - Angus.
Today..Mainly cloudy. Wind becoming northwest 20 km/h this afternoon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Cloudy. Wind northwest 20 km/h becoming light this evening.
Low 9.
Friday..Clearing in the morning. High 18. UV index 6 or high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud. Becoming cloudy near noon. High 23.
Humidex 30. UV index 6 or high.
Tonight..Mainly cloudy. Fog patches developing overnight. Low 9.
Friday..Mainly cloudy. Clearing near noon. Fog patches dissipating in
the morning. Wind becoming north 20 km/h in the afternoon. High 19.
UV index 6 or high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Partly cloudy. Becoming cloudy this morning. High 22. Humidex
27. UV index 5 or moderate.
Tonight..Cloudy. Wind becoming northeast 20 km/h gusting to 40 this
evening. Low 9.
Friday..Mainly cloudy. Clearing near noon. Wind northeast 20 km/h.
High 16. UV index 6 or high.

Hanover - Dundalk - Southern Grey County.
Today..Mainly cloudy. High 25. Humidex 30. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy this evening. Fog patches
developing overnight. Wind becoming northeast 20 km/h late this
evening. Low 9.
Friday..Clearing late in the morning. Fog patches dissipating in the
morning. High 19. UV index 6 or high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy. High 23. Humidex 28. UV index 4 or moderate. Tonight..Partly cloudy. Becoming cloudy this evening. Wind becoming
northeast 20 km/h gusting to 40 late this evening. Low 9.
Friday..Mainly cloudy. Clearing early in the afternoon. Wind
northeast 20 km/h. High 17. UV index 6 or high.

Barrie - Collingwood - Hillsdale.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Wind becoming northwest 20 km/h late this
afternoon. High 24. Humidex 29. UV index 5 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light after
midnight. Low 9.
Friday..Clearing. Wind northeast 20 km/h becoming light late in the
morning. High 18. UV index 6 or high.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Wind becoming northwest 20 km/h late this
afternoon. High 24. Humidex 29. UV index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light after
midnight. Low 9.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
northeast 20 km/h becoming light late in the morning. High 18. UV
index 6 or high.

Orillia - Lagoon City - Washago.
Today..A mix of sun and cloud. 30 percent chance of showers late this
morning and early this afternoon. Wind becoming northwest 20 km/h
late this afternoon. High 24. Humidex 29. UV index 5 or moderate. Tonight..Mainly cloudy. Wind north 20 km/h becoming light after
midnight. Low 9.
Friday..Clearing. Wind northeast 20 km/h becoming light late in the
morning. High 18. UV index 6 or high.

Cobourg - Colborne - Western Northumberland County.
Today..Sunny. Becoming a mix of sun and cloud this morning. High 26.
Humidex 31. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy near midnight. Wind becoming
north 20 km/h before morning. Low 11.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 21. UV index 6 or high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Sunny. Becoming a mix of sun and cloud this morning. High 26.
Humidex 31. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy near midnight. Wind becoming
north 20 km/h before morning. Low 11.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 21. UV index 6 or high.

Picton - Sandbanks Park.
Today..Sunny early this morning then a mix of sun and cloud with
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming southwest 20 km/h this afternoon.
High 26. Humidex 31. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind west 20 km/h becoming
light this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 10.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 21. UV index 6 or high.

Napanee - Consecon.
Today..Sunny early this morning then a mix of sun and cloud with
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming southwest 20 km/h this afternoon.
High 26. Humidex 31. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind west 20 km/h becoming
light this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 10.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 21. UV index 6 or high.

Kingston - Odessa - Frontenac Islands.
Today..Sunny early this morning then a mix of sun and cloud with
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming southwest 20 km/h this afternoon.
High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind west 20 km/h becoming light this
evening. Wind becoming north 20 gusting to 40 after midnight.
Low 10.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 21. UV index 6 or high.

Lindsay - Southern Kawartha Lakes.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming west 20 km/h late this morning. High 26. Humidex 31.
UV index 5 or moderate.
Tonight..Partly cloudy. Becoming cloudy this evening. Low 8.
Friday..Clearing. High 20. UV index 6 or high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..A mix of sun and cloud. 30 percent chance of showers late this
morning and early this afternoon. Wind becoming northwest 20 km/h
late this morning. High 24. Humidex 29. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy this evening. Wind becoming
north 20 km/h late this evening. Low 6.
Friday..Clearing. Wind northeast 20 km/h becoming light late in the
morning. High 18. UV index 6 or high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Increasing cloudiness early this morning. Fog patches
dissipating this morning. Wind becoming west 20 km/h late this
morning. High 26. Humidex 31. UV index 5 or moderate.
Tonight..Increasing cloudiness early this evening. Low 8.
Friday..Clearing. High 20. UV index 6 or high.

Apsley - Woodview - Northern Peterborough County.
Today..Increasing cloudiness early this morning. 30 percent chance of
showers late this morning and early this afternoon. Wind becoming
northwest 20 km/h late this morning. High 24. Humidex 29. UV index 4
or moderate.
Tonight..Partly cloudy. Becoming cloudy this evening. Wind becoming
north 20 km/h late this evening. Low 6.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
northeast 20 km/h becoming light late in the morning. High 18. UV
index 6 or high.

Stirling - Tweed - Madoc.
Today..Increasing cloudiness. 30 percent chance of showers this
afternoon with risk of a thunderstorm. Wind becoming west 20 km/h
late this morning. High 27. Humidex 32. UV index 5 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind becoming north 20 km/h
gusting to 40 late this evening. Low 8.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h becoming light late in the morning. High 20. UV
index 6 or high.

Tamworth - Sydenham - South Frontenac.
Today..Sunny. Increasing cloudiness near noon then 30 percent chance
of showers this afternoon. Risk of a thunderstorm this afternoon.
Wind becoming west 20 km/h late this morning. High 27. Humidex 32.
UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind becoming north 20 km/h gusting to 40
late this evening. Low 8.
Friday..Clearing. Wind north 20 km/h becoming light late in the
morning. High 20. UV index 6 or high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Sunny. Increasing cloudiness this morning then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming northwest 20 km/h this afternoon. High 26.
Humidex 30. UV index 5 or moderate.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 6.
Friday..A mix of sun and cloud. Clearing near noon. Wind north
20 km/h becoming light late in the morning. High 18. UV index 6 or
high.

Bancroft - Hastings Highlands - Denbigh.
Today..Increasing cloudiness. 30 percent chance of showers late this
morning and early this afternoon. Wind becoming north 20 km/h late
this morning. High 23. Humidex 26. UV index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
evening. Low plus 4.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h becoming light late in the morning. High 17. UV
index 6 or high.

Gananoque - Mallorytown.
Today..Sunny this morning then a mix of sun and cloud with 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming west 20 km/h late this morning. High 26.
Humidex 31. UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind north 20 km/h. Low 9.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 20. UV index 6 or high.

Brockville - Prescott.
Today..Sunny. Increasing cloudiness near noon then 30 percent chance
of showers this afternoon. Risk of a thunderstorm this afternoon.
Wind becoming west 20 km/h late this morning. High 26. Humidex 31.
UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind north 20 km/h. Low 9.
Friday..A mix of sun and cloud. Clearing early in the afternoon. Wind
north 20 km/h becoming light late in the morning. High 20. UV
index 6 or high.

Westport - Charleston Lake.
Today..Sunny. Increasing cloudiness this morning then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming west 20 km/h late this morning. High 26.
Humidex 31. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind north 20 km/h. Low 9.
Friday..A mix of sun and cloud. Becoming sunny near noon. Wind north
20 km/h becoming light late in the morning. High 20. UV index 6 or
high.

Merrickville-Wolford - Kemptville.
Today..Mainly sunny. Increasing cloudiness near noon then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming west 20 km/h late this morning. High 26.
Humidex 31. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind north 20 km/h. Low 9.
Friday..Mainly sunny. Wind north 20 km/h becoming light late in the
morning. High 20. UV index 6 or high.

Ottawa North - Kanata - Orl‚ans.
Today..Mainly sunny. Increasing cloudiness this morning then
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming northwest 20 km/h this afternoon.
High 24. Humidex 29. UV index 5 or moderate.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 9.
Friday..Sunny. Wind north 20 km/h becoming light late in the morning.
High 19. UV index 6 or high.

Ottawa South - Richmond - Metcalfe.
Today..Mainly sunny. Increasing cloudiness this morning then
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming northwest 20 km/h this afternoon.
High 24. Humidex 29. UV index 5 or moderate.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 9.
Friday..Sunny. Wind north 20 km/h becoming light late in the morning.
High 19. UV index 6 or high.

Gatineau.
Today..Increasing cloudiness. 30 percent chance of showers this
afternoon with risk of a thunderstorm. Wind becoming northwest
20 km/h this afternoon. High 24. Humidex 29. UV index 5 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Clearing overnight. Wind
northwest 20 km/h becoming light this evening. Low 8.
Friday..Sunny. Wind becoming northwest 20 km/h in the morning.
High 19. UV index 6 or high.

Prescott and Russell.
Today..Mainly sunny. Increasing cloudiness this morning then
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. High 25. Humidex 29. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 7.
Friday..Sunny. Wind north 20 km/h becoming light late in the morning.
High 19. UV index 6 or high.

Morrisburg - Long Sault.
Today..Mainly sunny. Increasing cloudiness this morning then
30 percent chance of showers this afternoon. Risk of a thunderstorm
this afternoon. Wind becoming northwest 20 km/h gusting to 40 late
this afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind northwest 20 km/h gusting to 40
becoming light this evening. Wind becoming north 20 after midnight.
Low 8.
Friday..A mix of sun and cloud. Becoming sunny in the afternoon. Wind
north 20 km/h. High 19. UV index 6 or high.

Cornwall - Lancaster.
Today..Sunny. Increasing cloudiness near noon then 30 percent chance
of showers this afternoon. Risk of a thunderstorm this afternoon.
Wind becoming northwest 20 km/h gusting to 40 late this afternoon.
High 25. Humidex 30. UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind northwest 20 km/h gusting to 40
becoming light this evening. Wind becoming north 20 after midnight.
Low 8.
Friday..A mix of sun and cloud. Clearing early in the afternoon. Wind
north 20 km/h. High 19. UV index 6 or high.

Winchester - Newington.
Today..Mainly sunny. Increasing cloudiness near noon then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming northwest 20 km/h gusting to 40 late this
afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening with
risk of a thunderstorm. Wind northwest 20 km/h gusting to 40
becoming light this evening. Wind becoming north 20 after midnight.
Low 8.
Friday..Mainly sunny. Wind north 20 km/h. High 19. UV index 6 or
high.

Maxville - Alexandria.
Today..Mainly sunny. Increasing cloudiness near noon then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming northwest 20 km/h gusting to 40 late this
afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Wind northwest 20 km/h gusting
to 40 becoming light this evening. Wind becoming north 20 after
midnight. Low 8.
Friday..Sunny. Wind north 20 km/h. High 19. UV index 6 or high.

Plevna - Sharbot Lake - Western Lanark County.
Today..Sunny. Increasing cloudiness this morning then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming northwest 20 km/h this afternoon. High 25.
Humidex 29. UV index 5 or moderate.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 8.
Friday..A mix of sun and cloud. Clearing near noon. Wind north
20 km/h becoming light late in the morning. High 18. UV index 6 or
high.

Smiths Falls - Perth - Eastern Lanark County.
Today..Sunny. Increasing cloudiness this morning then 30 percent
chance of showers this afternoon. Risk of a thunderstorm this
afternoon. Wind becoming northwest 20 km/h this afternoon. High 25.
Humidex 29. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening with risk of a thunderstorm. Low 8.
Friday..A mix of sun and cloud. Becoming sunny near noon. Wind north
20 km/h becoming light late in the morning. High 18. UV index 6 or
high.

Port Carling - Port Severn.
Today..Increasing cloudiness early this morning. 30 percent chance of
showers late this morning and early this afternoon. Wind becoming
northwest 20 km/h this afternoon. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
evening. Low 7.
Friday..Clearing. Wind northeast 20 km/h becoming light late in the
morning. High 18. UV index 6 or high.

Bracebridge - Gravenhurst.
Today..Increasing cloudiness early this morning. 30 percent chance of
showers late this morning and early this afternoon. Wind becoming
north 20 km/h late this afternoon. High 24. Humidex 29. UV index 4
or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
evening. Low plus 5.
Friday..A mix of sun and cloud. Becoming sunny in the morning.
High 18. UV index 6 or high.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Mainly cloudy. 30 percent chance of showers this morning. Wind
becoming north 20 km/h late this afternoon. High 23. Humidex 27. UV
index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light late this
evening. Low 6.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
northeast 20 km/h becoming light late in the morning. High 17. UV
index 6 or high.

Huntsville - Baysville.
Today..Mainly cloudy. 30 percent chance of showers this morning. Wind
becoming north 20 km/h late this afternoon. High 22. Humidex 27. UV
index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light after
midnight. Low plus 4.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
northeast 20 km/h becoming light late in the morning. High 17. UV
index 6 or high.

Haliburton - Minden - Southern Haliburton County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Wind becoming northwest 20 km/h late this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light this
evening. Low plus 4.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h becoming light late in the morning. High 17. UV
index 6 or high.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. Wind becoming northeast 20 km/h after midnight. Low
plus 3 with risk of frost.
Friday..A mix of sun and cloud. Clearing late in the morning. Wind
northeast 20 km/h becoming light late in the morning. High 16. UV
index 6 or high.

Barry's Bay - Killaloe.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Wind becoming north 20 km/h late this
afternoon. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h becoming light after
midnight. Low plus 4.
Friday..Mainly cloudy. Clearing late in the morning. Wind north
20 km/h becoming light late in the morning. High 17. UV index 6 or
high.

Renfrew - Arnprior - Calabogie.
Today..Increasing cloudiness. 30 percent chance of showers late this
morning and early this afternoon. Wind becoming northwest 20 km/h
this afternoon. High 24. Humidex 29. UV index 4 or moderate.
Tonight..Mainly cloudy. Wind north 20 km/h gusting to 40. Low 7.
Friday..Mainly cloudy. Clearing late in the morning. Wind north
20 km/h becoming light late in the morning. High 18. UV index 6 or
high.

Petawawa - Pembroke - Cobden.
Today..Increasing cloudiness early this morning. 30 percent chance of
showers late this morning and early this afternoon. Wind becoming
northwest 20 km/h this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. Becoming partly cloudy near midnight. Wind north
20 km/h gusting to 40. Low plus 5.
Friday..Clearing in the morning. Wind north 20 km/h becoming light
late in the morning. High 17. UV index 6 or high.

Continued in next message...

--- up 1 day, 12 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 201930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Saturday 20 September 2025 for
tonight Sunday and Sunday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Sunday.

City of Toronto.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 11.
Sunday..Mainly sunny. Increasing cloudiness late in the afternoon.
Wind becoming southeast 20 km/h near noon. High 25. Humidex 29. UV
index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

Windsor - Leamington - Essex County.
Tonight..A few clouds. Wind east 20 km/h gusting to 40 becoming light
near midnight. Low 14.
Sunday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 near noon. High 28. Humidex 33. UV index 5 or
moderate.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Wind southwest 20 km/h becoming
light in the evening. Low 18.

Chatham-Kent - Rondeau Park.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 14.
Sunday..A mix of sun and cloud. 60 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h gusting to 40 near noon. High 28. Humidex 33. UV index 6 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Wind southwest 20 km/h. Low 18.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 14.
Sunday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 near noon. High 28. Humidex 33. UV index 4 or
moderate.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Wind southwest 20 km/h becoming
light in the evening. Low 18.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 14.
Sunday..Sunny early in the morning then a mix of sun and cloud with
60 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 28. Humidex 33. UV index 6 or high.
Sunday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm early in the evening. Wind southwest 20 km/h
becoming light in the evening. Low 18.

Rodney - Shedden - Western Elgin County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h gusting to 40 near noon. High 27. Humidex 29. UV index 6 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light in
the evening. Low 19.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h gusting to 40 near noon. High 27. Humidex 29. UV index 6 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 19.

Strathroy - Komoka - Western Middlesex County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. Becoming cloudy late in the morning.
30 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 5 or
moderate.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light in
the evening. Low 19.

London - Parkhill - Eastern Middlesex County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h gusting to 40 near noon. High 27. Humidex 29. UV index 6 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 18.

Simcoe - Delhi - Norfolk.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h near
noon. High 27. Humidex 31. UV index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

Dunnville - Caledonia - Haldimand.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 27. Humidex 31. UV index 6 or high.
Sunday night..Becoming cloudy in the evening with 60 percent chance
of showers late in the evening and overnight. Risk of a thunderstorm
late in the evening and overnight. Low 18.

Woodstock - Tillsonburg - Oxford County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h gusting to 40 near noon. High 27. Humidex 29. UV index 6 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h. Low 18.

Brantford - County of Brant.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning. Wind
becoming southeast 20 km/h near noon. High 27. Humidex 31. UV
index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..Mainly sunny. Increasing cloudiness late in the afternoon.
Wind becoming southeast 20 km/h near noon. High 27. Humidex 31. UV
index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 12.
Sunday..Mainly sunny. Increasing cloudiness late in the afternoon.
Wind becoming southeast 20 km/h near noon. High 27. Humidex 31. UV
index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

City of Hamilton.
Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light
near midnight. Low 11.
Sunday..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Sunday night..Becoming cloudy in the evening with 60 percent chance
of showers late in the evening and overnight. Risk of a thunderstorm
late in the evening and overnight. Low 17.

Burlington - Oakville.
Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light
near midnight. Low 11.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h near
noon. High 25. Humidex 29. UV index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 19.

Halton Hills - Milton.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 11.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h near
noon. High 25. Humidex 29. UV index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

Mississauga - Brampton.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 11.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h near
noon. High 25. Humidex 29. UV index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Low 18.

Caledon.
Tonight..Clear. Low 11.
Sunday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind becoming
south 20 km/h gusting to 40 late in the morning. High 26. Humidex
31. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light after
midnight. Low 17.

Vaughan - Richmond Hill - Markham.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 11.
Sunday..Mainly sunny. Increasing cloudiness late in the afternoon.
Wind becoming southeast 20 km/h near noon. High 25. Humidex 29. UV
index 6 or high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind south
20 km/h becoming light after midnight. Low 17.

Newmarket - Georgina - Northern York Region.
Tonight..Clear. Low 8.
Sunday..Mainly sunny. Increasing cloudiness late in the afternoon.
Wind becoming southeast 20 km/h near noon. High 25. Humidex 29. UV
index 6 or high.
Sunday night..Cloudy. 70 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind becoming
south 20 km/h near midnight. Low 17.

Pickering - Oshawa - Southern Durham Region.
Tonight..Clear. Wind east 20 km/h becoming light near midnight.
Low 11.
Sunday..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Sunday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Low 17.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Clear. Low 8.
Sunday..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Sunday night..Cloudy. 70 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind becoming
south 20 km/h near midnight. Low 17.

Goderich - Bluewater - Southern Huron County.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 11.
Sunday..A mix of sun and cloud. Becoming cloudy late in the morning.
30 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 5 or moderate.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Low 18.

Wingham - Blyth - Northern Huron County.
Tonight..Clear. Wind southeast 20 km/h gusting to 40. Low 11. Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind south 20 km/h
gusting to 40. High 27. Humidex 29. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Low 18.

Stratford - Mitchell - Southern Perth County.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 11.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind south 20 km/h
gusting to 40. High 27. Humidex 29. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Low 18.

Listowel - Milverton - Northern Perth County.
Tonight..Clear. Wind southeast 20 km/h gusting to 40. Low 11. Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind south 20 km/h
gusting to 40. High 27. Humidex 29. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Low 18.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Clear. Wind east 30 km/h gusting to 50 becoming light near
midnight. Low 11.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h gusting to 40 late in the
morning. High 27. Humidex 32. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light near
midnight. Low 17.

Guelph - Erin - Southern Wellington County.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low 11.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h gusting to 40 late in the
morning. High 27. Humidex 32. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light near
midnight. Low 17.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Clear. Low 11.
Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h gusting to 40 near noon.
High 27. Humidex 29. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Low 17.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Clear. Low 11.
Sunday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind becoming
south 20 km/h gusting to 40 late in the morning. High 26. Humidex
31. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light in
the evening. Low 17.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Clear. Low 11.
Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h gusting to 40 late in the
morning. High 26. Humidex 31. UV index 6 or high.
Sunday night..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the evening. Wind south 20 km/h becoming light after
midnight. Low 17.

Innisfil - New Tecumseth - Angus.
Tonight..Clear. Low 8.
Sunday..Increasing cloudiness. Wind becoming southeast 20 km/h near
noon. High 26. Humidex 30. UV index 6 or high.
Sunday night..Cloudy. 70 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind south
20 km/h becoming light near midnight. Low 17.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Clear. Wind southeast 20 km/h gusting to 40. Low 11. Sunday..Increasing cloudiness early in the morning. 40 percent chance
of showers late in the afternoon with risk of a thunderstorm. Wind
south 20 km/h gusting to 40. High 27. Humidex 29. UV index 5 or
moderate.
Sunday night..Showers ending before morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Local amount 15 to 25 mm. Low 18.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 11.
Sunday..Increasing cloudiness. 40 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind southeast 20 km/h
gusting to 40. High 23. Humidex 25. UV index 4 or moderate.
Sunday night..Showers ending before morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Local amount 15 to 25 mm. Wind south 20 km/h. Low 15.

Hanover - Dundalk - Southern Grey County.
Tonight..Clear. Low 11.
Sunday..Sunny early in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high.
Sunday night..Showers ending before morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Local amount 15 to 25 mm. Wind south 20 km/h becoming light after
midnight. Low 17.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Clear. Low 11.
Sunday..Increasing cloudiness early in the morning. 40 percent chance
of showers late in the afternoon with risk of a thunderstorm. Wind
becoming south 20 km/h gusting to 40 near noon. High 25. Humidex 27.
UV index 5 or moderate.
Sunday night..Showers ending before morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm in the evening.
Local amount 15 to 25 mm. Low 17.

Barrie - Collingwood - Hillsdale.
Tonight..Clear. Low 8.
Sunday..Sunny in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming southeast 20 km/h
near noon. High 25. Humidex 30. UV index 6 or high.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 20 to 30 mm. Low 16.

Midland - Coldwater - Orr Lake.
Tonight..Clear. Low 8.
Sunday..Sunny in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming southeast 20 km/h
near noon. High 25. Humidex 30. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 20 to 30 mm. Wind becoming
south 30 km/h near midnight then light after midnight. Low 17.

Orillia - Lagoon City - Washago.
Tonight..Clear. Low 8.
Sunday..Sunny in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming southeast 20 km/h
near noon. High 25. Humidex 30. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 20 to 30 mm. Wind becoming
south 20 km/h near midnight. Low 17.

Cobourg - Colborne - Western Northumberland County.
Tonight..Clear. Low plus 5.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight with
60 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Clear. Low plus 5.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight with
60 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.

Picton - Sandbanks Park.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low plus 5.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight. Wind
southeast 20 km/h gusting to 40 becoming light near midnight.
Low 17.

Napanee - Consecon.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low plus 5.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight. Wind
southeast 20 km/h gusting to 40 becoming light near midnight.
Low 17.

Kingston - Odessa - Frontenac Islands.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light near
midnight. Low plus 5.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 6 or high.
Sunday night..A few clouds. Increasing cloudiness near midnight. Wind
south 20 km/h gusting to 40. Low 17.

Lindsay - Southern Kawartha Lakes.
Tonight..Clear. Low plus 4.
Sunday..Mainly sunny. High 25. Humidex 29. UV index 5 or moderate.
Sunday night..Becoming cloudy in the evening. 70 percent chance of
showers overnight. Risk of a thunderstorm overnight. Wind becoming
south 20 km/h after midnight. Low 14.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 3 with
risk of frost.
Sunday..Mainly sunny. High 25. Humidex 29. UV index 5 or moderate.
Sunday night..Becoming cloudy in the evening. 70 percent chance of
showers overnight. Risk of a thunderstorm overnight. Low 14.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Clear. Low plus 3 with risk of frost.
Sunday..Mainly sunny. High 25. Humidex 29. UV index 5 or moderate.
Sunday night..Increasing cloudiness early in the evening. 70 percent
chance of showers overnight with risk of a thunderstorm. Low 14.

Apsley - Woodview - Northern Peterborough County.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 2 with
patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning.
High 25. Humidex 29. UV index 5 or moderate.
Sunday night..Increasing cloudiness early in the evening. 70 percent
chance of showers overnight with risk of a thunderstorm. Wind
becoming south 20 km/h after midnight. Low 14.

Stirling - Tweed - Madoc.
Tonight..Clear. Low plus 2 with patchy frost.
Sunday..A mix of sun and cloud. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..A few clouds. Increasing cloudiness late in the evening
then 70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light in
the evening. Low 16.

Tamworth - Sydenham - South Frontenac.
Tonight..Clear. Low plus 2 with patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 5 or moderate.
Sunday night..Partly cloudy. Becoming cloudy after midnight. Wind
southeast 20 km/h gusting to 40 becoming light in the evening. Wind
becoming south 20 near midnight. Low 16.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 1 with
patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning.
High 24. Humidex 28. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness late in the evening
then 70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 15.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Clear. Low minus 1 with frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning.
High 22. Humidex 26. UV index 5 or moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight with
showers. Risk of a thunderstorm overnight. Wind becoming south
20 km/h after midnight. Low 15.

Gananoque - Mallorytown.
Tonight..Clear. Low plus 2 with patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Wind southeast 20 km/h gusting to 40 becoming light in the evening.
Wind becoming south 20 after midnight. Low 16.

Brockville - Prescott.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning.
High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness before morning.
Low 16.

Westport - Charleston Lake.
Tonight..Clear. Low plus 2 with patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Wind southeast 20 km/h gusting to 40 becoming light in the evening.
Low 16.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Mainly sunny. High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness before morning.
Low 16.

Ottawa North - Kanata - Orl‚ans.
Tonight..Clear. Fog patches developing after midnight. Low plus 1
with patchy frost.
Sunday..Mainly sunny. Fog patches dissipating in the morning.
High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Low 14.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Fog patches developing after midnight. Low plus 1
with patchy frost.
Sunday..Mainly sunny. Fog patches dissipating in the morning.
High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Low 14.

Gatineau.
Tonight..Clear. Fog patches developing after midnight. Low plus 1
with patchy frost.
Sunday..Mainly sunny. Fog patches dissipating in the morning.
High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Low 11.

Prescott and Russell.
Tonight..Clear. Fog patches developing after midnight. Low plus 1
with patchy frost.
Sunday..Mainly sunny. Fog patches dissipating in the morning.
High 23. Humidex 27. UV index 5 or moderate.
Sunday night..Increasing cloudiness near midnight. Low 12 with
temperature rising to 15 by morning.

Morrisburg - Long Sault.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Sunny. High 23. Humidex 27. UV index 5 or moderate.
Sunday night..Clear. Increasing cloudiness overnight. Low 13.

Cornwall - Lancaster.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Sunny. High 23. Humidex 27. UV index 5 or moderate.
Sunday night..Clear. Increasing cloudiness overnight. Low 13.

Winchester - Newington.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Mainly sunny. High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness before morning.
Low 13.

Maxville - Alexandria.
Tonight..Clear. Low plus 1 with patchy frost.
Sunday..Sunny. High 23. Humidex 27. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Low 11.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 1 with
patchy frost.
Sunday..A mix of sun and cloud. High 24. Humidex 28. UV index 5 or
moderate.
Sunday night..Increasing cloudiness. Wind becoming south 20 km/h
after midnight. Low 16.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear. Fog patches developing after midnight. Low plus 1
with patchy frost.
Sunday..A mix of sun and cloud. Fog patches dissipating in the
morning. High 24. Humidex 28. UV index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness after midnight.
Low 16.

Port Carling - Port Severn.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 4.
Sunday..Sunny in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 25. UV index 5
or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 30 to 40 mm. Wind south
20 km/h becoming light after midnight. Low 17.

Bracebridge - Gravenhurst.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 3 with
risk of frost.
Sunday..Sunny in the morning then a mix of sun and cloud with
40 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 28. UV index 5
or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 20 to 30 mm. Wind south
20 km/h becoming light after midnight. Low 16.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 4.
Sunday..Sunny. Increasing cloudiness near noon then 40 percent chance
of showers late in the afternoon. Risk of a thunderstorm late in the
afternoon. High 23. Humidex 25. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 30 to 40 mm. Wind becoming
south 20 km/h in the evening. Low 17.

Huntsville - Baysville.
Tonight..Clear. Low plus 2 with patchy frost.
Sunday..Sunny. Increasing cloudiness in the afternoon then 40 percent
chance of showers late in the afternoon. Risk of a thunderstorm late
in the afternoon. High 23. Humidex 28. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Local amount 30 to 40 mm. Wind becoming
south 20 km/h near midnight. Low 16.

Haliburton - Minden - Southern Haliburton County.
Tonight..Partly cloudy. Becoming clear this evening. Low plus 1 with
patchy frost.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 22. Humidex 26. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers in the evening.
Showers beginning near midnight. Risk of a thunderstorm in the
evening and overnight. Local amount 10 to 20 mm. Wind becoming south
20 km/h near midnight. Low 15.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..Clear. Low zero with frost.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 22. Humidex 26. UV index 5 or moderate.
Sunday night..Cloudy. 40 percent chance of showers in the evening.
Showers beginning near midnight. Risk of a thunderstorm in the
evening and overnight. Local amount 10 to 20 mm. Low 15.

Barry's Bay - Killaloe.
Tonight..Clear. Low minus 1 with frost.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 22. Humidex 26. UV index 5 or moderate.
Sunday night..Partly cloudy. Becoming cloudy near midnight with
showers. Risk of a thunderstorm overnight. Wind becoming south
20 km/h in the evening. Low 15.

Renfrew - Arnprior - Calabogie.
Tonight..Clear. Fog patches developing after midnight. Low zero with
frost.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
Fog patches dissipating in the morning. High 22. Humidex 26. UV
index 5 or moderate.
Sunday night..A few clouds. Increasing cloudiness late in the evening
then showers beginning after midnight. Risk of a thunderstorm
overnight. Low 15.

Continued in next message...

--- up 3 days, 23 hours, 27 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 210900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Sunday 21 September 2025 for
today and Monday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Windsor - Leamington - Essex County.
Today..Increasing cloudiness. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind becoming south 20 km/h gusting to 40 near noon.
High 28. Humidex 33. UV index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Chatham-Kent - Rondeau Park.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind becoming south 20 km/h gusting to 40 near noon.
High 27. Humidex 32. UV index 7 or high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Sarnia - Petrolia - Western Lambton County.
Today..A mix of sun and cloud. Becoming cloudy near noon with
60 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming south 20 km/h gusting to 40 near noon.
High 27. Humidex 32. UV index 6 or high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind becoming south 20 km/h gusting to 40 near noon.
High 27. Humidex 32. UV index 6 or high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Rodney - Shedden - Western Elgin County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Increasing cloudiness. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Simcoe - Delhi - Norfolk.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming south 20 km/h gusting to 40 near noon. High 27. Humidex 31.
UV index 6 or high.
Tonight..Mainly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

Dunnville - Caledonia - Haldimand.
Today..Mainly sunny. Wind becoming south 20 km/h gusting to 40 near
noon. High 27. Humidex 31. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 near noon. High 27. Humidex 29. UV index 6 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Brantford - County of Brant.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming south 20 km/h gusting to 40 near noon. High 27. Humidex 31.
UV index 6 or high.
Tonight..Mainly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly sunny. Wind becoming south 20 km/h gusting to 40 near
noon. High 28. Humidex 32. UV index 6 or high.
Tonight..Partly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly sunny. Wind becoming south 20 km/h gusting to 40 near
noon. High 27. Humidex 31. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

City of Hamilton.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming south 20 km/h gusting to 40 near noon. High 27. Humidex 31.
UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 25. Humidex 30. UV index 4 or moderate.

Burlington - Oakville.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Halton Hills - Milton.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h near noon. High 25. Humidex 29. UV
index 6 or high.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Mississauga - Brampton.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Caledon.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Vaughan - Richmond Hill - Markham.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 60 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
near noon. High 27. Humidex 31. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
near noon. High 24. Humidex 29. UV index 4 or moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 25. Humidex 29. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 25. Humidex 30. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
near noon. High 27. Humidex 31. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
near noon. High 24. Humidex 29. UV index 4 or moderate.

Goderich - Bluewater - Southern Huron County.
Today..Increasing cloudiness early this morning. 40 percent chance of
showers late this afternoon with risk of a thunderstorm. Wind south
20 km/h gusting to 40. High 27. Humidex 29. UV index 5 or moderate. Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Wingham - Blyth - Northern Huron County.
Today..Increasing cloudiness early this morning. 40 percent chance of
showers late this afternoon with risk of a thunderstorm. Wind south
20 km/h gusting to 40. High 27. Humidex 29. UV index 5 or moderate. Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Stratford - Mitchell - Southern Perth County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Listowel - Milverton - Northern Perth County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Guelph - Erin - Southern Wellington County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Clear early this morning then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 late this morning. High 27. Humidex 32. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly sunny. Increasing cloudiness near noon then 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h gusting to 40 late this
morning. High 27. Humidex 32. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Innisfil - New Tecumseth - Angus.
Today..Clear early this morning then a mix of sun and cloud with
40 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 27. Humidex 32. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Increasing cloudiness. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 5 or moderate.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..A mix of sun and cloud. Showers beginning this afternoon. Risk
of a thunderstorm late this afternoon. Wind southeast 20 km/h
gusting to 40. High 25. Humidex 27. UV index 6 or high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Local amount 20 to 30 mm. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers. Wind southwest
20 km/h. High 21. Humidex 26. UV index 4 or moderate.

Hanover - Dundalk - Southern Grey County.
Today..Increasing cloudiness. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 5 or moderate.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Barrie - Collingwood - Hillsdale.
Today..Clear early this morning then a mix of sun and cloud with
40 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 27. Humidex 32. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Midland - Coldwater - Orr Lake.
Today..Mainly sunny. Increasing cloudiness this afternoon then
40 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 27. Humidex 32. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Orillia - Lagoon City - Washago.
Today..Clear early this morning then a mix of sun and cloud with
40 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southeast 20 km/h
gusting to 40 near noon. High 27. Humidex 32. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Picton - Sandbanks Park.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Napanee - Consecon.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h gusting to 40 near noon. High 24. Humidex
28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Kingston - Odessa - Frontenac Islands.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
near noon. High 24. Humidex 28. UV index 6 or high.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Lindsay - Southern Kawartha Lakes.
Today..Mainly sunny. High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Sunny. Becoming a mix of sun and cloud near noon. High 25.
Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Mainly sunny. High 25. Humidex 29. UV index 6 or high. Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Sunny. Becoming a mix of sun and cloud this morning. High 25.
Humidex 29. UV index 6 or high.
Tonight..Mainly cloudy. 70 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 2 or low.

Stirling - Tweed - Madoc.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h near noon. High 24. Humidex 28. UV
index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h becoming light near midnight.
Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Tamworth - Sydenham - South Frontenac.
Today..Sunny. Becoming a mix of sun and cloud this morning. Wind
becoming southeast 20 km/h near noon. High 24. Humidex 28. UV
index 6 or high.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h becoming light near midnight.
Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Sunny. Becoming a mix of sun and cloud this morning. High 23.
Humidex 27. UV index 6 or high.
Tonight..Increasing cloudiness. Showers beginning after midnight.
Risk of a thunderstorm overnight. Low 15.
Monday..Showers. Risk of a thunderstorm in the afternoon. High 23.
Humidex 28. UV index 2 or low.

Bancroft - Hastings Highlands - Denbigh.
Today..Sunny. Becoming a mix of sun and cloud near noon. Fog patches
dissipating early this morning. Wind up to 15 km/h. High 22. Humidex
26. Wind chill minus 6 this morning. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with showers.
Risk of a thunderstorm overnight. Low 15.
Monday..Showers ending near noon then cloudy with 40 percent chance
of showers. Risk of a thunderstorm late in the afternoon. High 20.
Humidex 25. UV index 2 or low.

Gananoque - Mallorytown.
Today..Mainly sunny. Wind becoming southeast 20 km/h near noon.
High 24. Humidex 28. UV index 6 or high.
Tonight..Clear early this evening then partly cloudy with 70 percent
chance of showers overnight. Risk of a thunderstorm overnight. Wind
southeast 20 km/h becoming light near midnight. Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Continued in next message...

--- up 4 days, 12 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 211500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Sunday 21 September 2025 for
today and Monday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..A mix of sun and cloud. Wind becoming southeast 20 km/h this
afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 24. Humidex 29. UV index 4 or
moderate.

Windsor - Leamington - Essex County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 this afternoon. High 27. Humidex 31. UV index 7 or
high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Chatham-Kent - Rondeau Park.
Today..A mix of sun and cloud. 60 percent chance of showers. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 this afternoon. High 26. Humidex 30. UV index 7 or
high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. Wind becoming south 20 km/h gusting to 40
this afternoon. High 26. Humidex 30. UV index 3 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 25. Humidex 30. UV
index 4 or moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 32. UV index 6 or high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind southwest 20 km/h. Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind west 20 km/h gusting to 40. High 24. Humidex 29. UV
index 4 or moderate.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Risk of a thunderstorm late this
afternoon. Wind south 20 km/h gusting to 40. High 27. Humidex 29. UV
index 6 or high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..Mainly cloudy. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 6 or high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Simcoe - Delhi - Norfolk.
Today..A mix of sun and cloud. Wind becoming south 20 km/h gusting to
40 this afternoon. High 26. Humidex 30. UV index 6 or high.
Tonight..Mainly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Dunnville - Caledonia - Haldimand.
Today..Mainly sunny. Wind south 20 km/h gusting to 40. High 27.
Humidex 31. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Woodstock - Tillsonburg - Oxford County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 29. UV index 6 or high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 18.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming west 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Brantford - County of Brant.
Today..A mix of sun and cloud. Wind south 20 km/h gusting to 40.
High 27. Humidex 31. UV index 6 or high.
Tonight..Mainly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly sunny. Wind becoming south 20 km/h gusting to 40 this
afternoon. High 27. Humidex 31. UV index 6 or high.
Tonight..Partly cloudy. 60 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. Wind becoming south 20 km/h gusting to
40 this afternoon. High 26. Humidex 30. UV index 6 or high. Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

City of Hamilton.
Today..Mainly sunny. Wind becoming south 20 km/h gusting to 40 this
afternoon. High 26. Humidex 30. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 19.
Monday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning near noon. Risk of a thunderstorm in the
afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon.
High 24. Humidex 29. UV index 4 or moderate.

Burlington - Oakville.
Today..Mainly sunny. Wind becoming southeast 20 km/h this afternoon.
High 24. Humidex 28. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 24. Humidex 29. UV index 4 or
moderate.

Halton Hills - Milton.
Today..A mix of sun and cloud. Wind southeast 20 km/h. High 25.
Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 24. Humidex 29. UV index 4 or
moderate.

Mississauga - Brampton.
Today..A mix of sun and cloud. Wind becoming southeast 20 km/h this
afternoon. High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 24. Humidex 29. UV index 4 or
moderate.

Caledon.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Vaughan - Richmond Hill - Markham.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
becoming southeast 20 km/h this afternoon. High 24. Humidex 28. UV
index 6 or high.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..Mainly sunny. Wind southeast 20 km/h gusting to 40. High 26.
Humidex 30. UV index 6 or high.
Tonight..Becoming cloudy this evening with showers. Risk of a
thunderstorm late this evening and overnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
near noon. High 24. Humidex 29. UV index 4 or moderate.

Pickering - Oshawa - Southern Durham Region.
Today..A mix of sun and cloud. Wind becoming southeast 20 km/h this
afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 24. Humidex 29. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
this afternoon. High 26. Humidex 30. UV index 6 or high.
Tonight..Becoming cloudy this evening with showers. Risk of a
thunderstorm late this evening and overnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming southwest 20 km/h
near noon. High 24. Humidex 29. UV index 4 or moderate.

Goderich - Bluewater - Southern Huron County.
Today..A mix of sun and cloud. 40 percent chance of showers with risk
of a thunderstorm. Wind becoming south 20 km/h gusting to 40 this
afternoon. High 25. Humidex 28. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Wingham - Blyth - Northern Huron County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h gusting to 40. High 27. Humidex 29.
UV index 5 or moderate.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Stratford - Mitchell - Southern Perth County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 32. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Listowel - Milverton - Northern Perth County.
Today..Mainly cloudy. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to
40. High 27. Humidex 32. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h gusting to 40 early this
afternoon. High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Guelph - Erin - Southern Wellington County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h gusting to 40 this
afternoon. High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Increasing cloudiness. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 this afternoon. High 26. Humidex 31. UV index 6 or
high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h gusting to 40 this
afternoon. High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Increasing cloudiness near noon. 30 percent chance of showers
late this afternoon with risk of a thunderstorm. Wind south 20 km/h
gusting to 40. High 26. Humidex 31. UV index 6 or high.
Tonight..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming light near midnight.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Innisfil - New Tecumseth - Angus.
Today..Sunny near noon then a mix of sun and cloud with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming southeast 20 km/h gusting to 40 this
afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h gusting to 40. High 27. Humidex 29.
UV index 5 or moderate.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly cloudy. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southeast 20 km/h
gusting to 40 this afternoon. High 24. Humidex 26. UV index 5 or
moderate.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Local amount 20 to 30 mm. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers. Wind southwest
20 km/h. Temperature steady near 20. Humidex 26. UV index 4 or
moderate.

Hanover - Dundalk - Southern Grey County.
Today..Increasing cloudiness late this morning. 40 percent chance of
showers late this afternoon with risk of a thunderstorm. Wind south
20 km/h gusting to 40. High 27. Humidex 29. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
gusting to 40 this afternoon. High 25. Humidex 27. UV index 6 or
high.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Wind south 20 km/h becoming light near midnight. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.

Barrie - Collingwood - Hillsdale.
Today..Sunny near noon then a mix of sun and cloud with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming southeast 20 km/h gusting to 40 this
afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Midland - Coldwater - Orr Lake.
Today..Increasing cloudiness near noon. 40 percent chance of showers
late this afternoon with risk of a thunderstorm. Wind southeast
20 km/h gusting to 40. High 27. Humidex 32. UV index 6 or high. Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Orillia - Lagoon City - Washago.
Today..Sunny near noon then a mix of sun and cloud with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming southeast 20 km/h gusting to 40 this
afternoon. High 25. Humidex 30. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 15 to
25 mm. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Wind becoming west 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Sunny. Wind becoming southeast 20 km/h gusting to 40 late this
afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
late this afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Picton - Sandbanks Park.
Today..A mix of sun and cloud. Wind southeast 40 km/h diminishing to
20 gusting to 40 early this afternoon. High 24. Humidex 28. UV
index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Napanee - Consecon.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
late this afternoon. High 24. Humidex 28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Kingston - Odessa - Frontenac Islands.
Today..Clearing this afternoon. Wind southeast 20 km/h gusting to 40.
High 24. Humidex 28. UV index 5 or moderate.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Lindsay - Southern Kawartha Lakes.
Today..Mainly sunny. High 25. Humidex 29. UV index 6 or high.
Tonight..Becoming cloudy this evening with showers. Risk of a
thunderstorm late this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..A mix of sun and cloud. High 25. Humidex 29. UV index 6 or
high.
Tonight..Becoming cloudy this evening with showers. Risk of a
thunderstorm late this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Sunny. High 24. Humidex 28. UV index 6 or high.
Tonight..Increasing cloudiness. Showers beginning late this evening.
Risk of a thunderstorm late this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 4 or
moderate.

Apsley - Woodview - Northern Peterborough County.
Today..A mix of sun and cloud. High 25. Humidex 29. UV index 6 or
high.
Tonight..Mainly cloudy. Showers beginning late this evening. Risk of
a thunderstorm late this evening and overnight. Low 16.
Monday..Cloudy with 60 percent chance of showers. Wind becoming
southwest 20 km/h near noon. High 23. Humidex 28. UV index 2 or low.

Stirling - Tweed - Madoc.
Today..A mix of sun and cloud. Wind southeast 20 km/h. High 24.
Humidex 28. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h becoming light near midnight.
Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Tamworth - Sydenham - South Frontenac.
Today..Mainly sunny. Wind southeast 20 km/h. High 24. Humidex 28. UV
index 6 or high.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h becoming light near midnight.
Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..A mix of sun and cloud. High 23. Humidex 27. UV index 6 or
high.
Tonight..Increasing cloudiness. Showers beginning after midnight.
Risk of a thunderstorm overnight. Low 15.
Monday..Showers. Risk of a thunderstorm in the afternoon. High 23.
Humidex 28. UV index 2 or low.

Bancroft - Hastings Highlands - Denbigh.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 22. Humidex 26. UV index 6 or high.
Tonight..Partly cloudy. Becoming cloudy after midnight with showers.
Risk of a thunderstorm overnight. Low 14.
Monday..Showers ending near noon then cloudy with 40 percent chance
of showers. Risk of a thunderstorm late in the afternoon. High 20.
Humidex 25. UV index 2 or low.

Gananoque - Mallorytown.
Today..Mainly sunny. Wind southeast 20 km/h. High 24. Humidex 28. UV
index 6 or high.
Tonight..Clear early this evening then partly cloudy with 70 percent
chance of showers overnight. Risk of a thunderstorm overnight. Wind
southeast 20 km/h becoming light near midnight. Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Brockville - Prescott.
Today..Sunny. High 23. Humidex 27. UV index 6 or high.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers before morning. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning.
Showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. Wind becoming southwest 20 km/h near noon.
High 22. Humidex 27. UV index 2 or low.

Westport - Charleston Lake.
Today..Mainly sunny. Wind southeast 20 km/h. High 24. Humidex 28. UV
index 6 or high.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h becoming light near midnight.
Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 near noon. High 23. Humidex 28. UV index 4 or
moderate.

Merrickville-Wolford - Kemptville.
Today..Sunny. High 23. Humidex 27. UV index 6 or high.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers before morning. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning.
Showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. Wind becoming southwest 20 km/h near noon.
High 22. Humidex 27. UV index 2 or low.

Ottawa North - Kanata - Orl‚ans.
Today..Mainly sunny. High 23. Humidex 27. UV index 6 or high.
Tonight..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning.
Showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. Wind becoming southwest 20 km/h near noon.
High 22. Humidex 27. UV index 2 or low.

Continued in next message...

--- up 4 days, 18 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 211930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Sunday 21 September 2025 for
tonight Monday and Monday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Monday.

City of Toronto.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Wind southeast
20 km/h becoming light early this evening. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Windsor - Leamington - Essex County.
Tonight..Mainly cloudy with 70 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h. Low 18.
Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 25. Humidex
30. UV index 5 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 17.

Chatham-Kent - Rondeau Park.
Tonight..Mainly cloudy with 70 percent chance of showers and risk of
a thunderstorm. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 25. Humidex
30. UV index 5 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 17.

Sarnia - Petrolia - Western Lambton County.
Tonight..A few showers ending near midnight then cloudy with
60 percent chance of showers. Risk of a thunderstorm this evening
and overnight. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 25. Humidex
30. UV index 4 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Mainly cloudy. A few showers beginning early this evening
and ending near midnight then 60 percent chance of showers
overnight. Risk of a thunderstorm this evening and overnight. Wind
south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Rodney - Shedden - Western Elgin County.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Strathroy - Komoka - Western Middlesex County.
Tonight..Becoming cloudy this evening with 70 percent chance of
showers this evening and overnight. Risk of a thunderstorm. Wind
south 20 km/h. Low 18.
Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

London - Parkhill - Eastern Middlesex County.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 4 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Simcoe - Delhi - Norfolk.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 5 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Dunnville - Caledonia - Haldimand.
Tonight..Increasing cloudiness. 70 percent chance of showers with
risk of a thunderstorm. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 5 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Woodstock - Tillsonburg - Oxford County.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Brantford - County of Brant.
Tonight..Increasing cloudiness. 70 percent chance of showers with
risk of a thunderstorm. Wind south 20 km/h. Low 18.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h. Low 18. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 5 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 17.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers this evening and overnight. Risk of a
thunderstorm this evening and overnight. Wind south 20 km/h. Low 18. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 17.

City of Hamilton.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers this evening and overnight. Risk of a
thunderstorm this evening and overnight. Wind south 20 km/h. Low 17. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h gusting to 40.
High 24. Humidex 29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Wind southwest 20 km/h. Low 16.

Burlington - Oakville.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southeast 20 km/h becoming light early this
evening. Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Halton Hills - Milton.
Tonight..Increasing cloudiness. 70 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind
southeast 20 km/h becoming light early this evening. Low 17.
Monday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Mississauga - Brampton.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Wind southeast
20 km/h becoming light early this evening. Low 17.
Monday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Caledon.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h gusting
to 40. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h. High 23.
Humidex 28. UV index 4 or moderate.
Monday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Vaughan - Richmond Hill - Markham.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Wind southeast
20 km/h becoming light early this evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Newmarket - Georgina - Northern York Region.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light early this evening. Low 16. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Pickering - Oshawa - Southern Durham Region.
Tonight..A few clouds. Increasing cloudiness early this evening then
70 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Wind southeast
20 km/h becoming light early this evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 22. Humidex 27. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light early this evening. Low 16. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Goderich - Bluewater - Southern Huron County.
Tonight..Cloudy. Showers beginning early this evening. Risk of a
thunderstorm. Local amount 10 to 15 mm. Wind south 20 km/h. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Wingham - Blyth - Northern Huron County.
Tonight..Cloudy. Showers beginning early this evening. Risk of a
thunderstorm. Local amount 10 to 15 mm. Wind south 20 km/h. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Stratford - Mitchell - Southern Perth County.
Tonight..Increasing cloudiness. Showers beginning early this evening.
Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south
20 km/h. Low 17.
Monday..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Monday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Listowel - Milverton - Northern Perth County.
Tonight..Increasing cloudiness. Showers beginning early this evening.
Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south
20 km/h. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h gusting
to 40. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h. High 23.
Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Guelph - Erin - Southern Wellington County.
Tonight..Increasing cloudiness early this evening. 70 percent chance
of showers with risk of a thunderstorm. Wind south 20 km/h gusting
to 40. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind southwest 20 km/h. High 23.
Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Increasing cloudiness. Showers beginning early this evening.
Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south
20 km/h. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Increasing cloudiness. Showers beginning early this evening.
Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south
20 km/h. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 16.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Increasing cloudiness. Showers beginning early this evening.
Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south
20 km/h. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 15.

Innisfil - New Tecumseth - Angus.
Tonight..Increasing cloudiness. Showers beginning this evening. Risk
of a thunderstorm late this evening and overnight. Local amount 10
to 15 mm. Wind south 20 km/h becoming light this evening. Low 16. Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming west 20 km/h near noon.
High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Cloudy. Showers beginning early this evening. Risk of a
thunderstorm. Local amount 15 to 25 mm. Wind south 20 km/h gusting
to 40 becoming light near midnight. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind becoming west 20 km/h near noon. High 21. Humidex
26. UV index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 15.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and overnight. Local
amount 10 to 20 mm. Wind southeast 20 km/h gusting to 40 becoming
southwest 20 near midnight. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 20. Humidex 25. UV
index 4 or moderate.
Monday night..Cloudy with 40 percent chance of showers. Low 14.

Hanover - Dundalk - Southern Grey County.
Tonight..Cloudy. Showers beginning early this evening. Risk of a
thunderstorm. Local amount 15 to 25 mm. Wind south 20 km/h gusting
to 40 becoming light near midnight. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind becoming west 20 km/h near noon. High 22. Humidex
27. UV index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 15.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Cloudy. Showers beginning early this evening. Risk of a
thunderstorm. Local amount 15 to 25 mm. Wind south 20 km/h gusting
to 40 becoming light near midnight. Low 16.
Monday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind becoming west 20 km/h near noon. High 22. Humidex
27. UV index 4 or moderate.
Monday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm early in the evening. Low 15.

Barrie - Collingwood - Hillsdale.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm this evening and overnight. Local
amount 10 to 20 mm. Wind south 20 km/h becoming light early this
evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming west 20 km/h near noon.
High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Midland - Coldwater - Orr Lake.
Tonight..Partly cloudy. Becoming cloudy this evening with showers.
Risk of a thunderstorm this evening and overnight. Local amount 15
to 25 mm. Wind south 20 km/h becoming light early this evening.
Low 17.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming west 20 km/h near noon.
High 22. Humidex 27. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Orillia - Lagoon City - Washago.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm this evening and overnight. Local
amount 10 to 20 mm. Wind south 20 km/h becoming light early this
evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming west 20 km/h near noon.
High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Cobourg - Colborne - Western Northumberland County.
Tonight..A few clouds. Increasing cloudiness late this evening then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 in the morning. High 23. Humidex 28. UV index 3 or
moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 16.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..A few clouds. Increasing cloudiness late this evening then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h
gusting to 40 in the morning. High 23. Humidex 28. UV index 3 or
moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 16.

Picton - Sandbanks Park.
Tonight..A few clouds. Increasing cloudiness late this evening then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h gusting to 40.
High 23. Humidex 28. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h becoming light near midnight.
Low 17.

Napanee - Consecon.
Tonight..A few clouds. Increasing cloudiness late this evening then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h gusting to 40.
High 23. Humidex 28. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h becoming light near midnight.
Low 16.

Kingston - Odessa - Frontenac Islands.
Tonight..Clear. Increasing cloudiness late this evening then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h gusting to 40. Low 17.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h gusting to 40.
High 23. Humidex 28. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h becoming light near midnight.
Low 16.

Lindsay - Southern Kawartha Lakes.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light this evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 15.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light this evening. Low 16.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 21. Humidex 26. UV index 4 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 14.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..A few clouds. Increasing cloudiness early this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light this evening. Low 15.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 22. Humidex 27. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 14.

Apsley - Woodview - Northern Peterborough County.
Tonight..A few clouds. Increasing cloudiness this evening then
showers. Risk of a thunderstorm late this evening and overnight.
Wind southeast 20 km/h becoming light this evening. Low 15.
Monday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming southwest 20 km/h near
noon. High 21. Humidex 26. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 14.

Stirling - Tweed - Madoc.
Tonight..A few clouds. Increasing cloudiness after midnight then
70 percent chance of showers overnight. Risk of a thunderstorm
overnight. Wind southeast 20 km/h. Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h. High 22. Humidex
27. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Tamworth - Sydenham - South Frontenac.
Tonight..Clear. Increasing cloudiness near midnight then 70 percent
chance of showers overnight. Risk of a thunderstorm overnight. Wind
southeast 20 km/h. Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h. High 22. Humidex
27. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Partly cloudy. Becoming cloudy after midnight with showers.
Risk of a thunderstorm overnight. Low 15.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 2 or
low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 15.

Bancroft - Hastings Highlands - Denbigh.
Tonight..A few clouds. Increasing cloudiness late this evening then
showers. Risk of a thunderstorm overnight. Low 14.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 3 or
moderate.
Monday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 14.

Gananoque - Mallorytown.
Tonight..Clear this evening then partly cloudy with 70 percent chance
of showers overnight. Risk of a thunderstorm overnight. Wind south
20 km/h. Low 16.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h. High 23. Humidex
28. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 17.

Brockville - Prescott.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers before morning. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Westport - Charleston Lake.
Tonight..Clear this evening then partly cloudy with 70 percent chance
of showers overnight. Risk of a thunderstorm overnight. Wind
southeast 20 km/h. Low 15.
Monday..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind south 20 km/h. High 22. Humidex
27. UV index 3 or moderate.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Ottawa North - Kanata - Orl‚ans.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 13.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 13.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Gatineau.
Tonight..Clear. Increasing cloudiness overnight then 40 percent
chance of showers before morning. Low 12.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Prescott and Russell.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 12.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 15.

Morrisburg - Long Sault.
Tonight..Clear. Partly cloudy overnight with 40 percent chance of
showers. Low 14.
Monday..Cloudy. 40 percent chance of showers early in the morning. A
few showers beginning in the morning. Risk of a thunderstorm in the
morning and afternoon. High 22. Humidex 27. UV index 2 or low.
Monday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.

Continued in next message...

--- up 4 days, 23 hours, 27 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 220900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Monday 22 September 2025 for
today and Tuesday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Windsor - Leamington - Essex County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 5 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 6 or
high.

Chatham-Kent - Rondeau Park.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 5 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 5 or
moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 4 or
moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 5 or
moderate.

Rodney - Shedden - Western Elgin County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 23. Humidex 28. UV index 5 or
moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 5 or
moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 23. Humidex 28. UV index 5 or
moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 5 or
moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Simcoe - Delhi - Norfolk.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 24. Humidex 29. UV index 5 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Dunnville - Caledonia - Haldimand.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 24. Humidex 29. UV index 5 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Brantford - County of Brant.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 24. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 24. Humidex 29. UV index 5 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 5 or
moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this morning. Risk of a thunderstorm.
Wind southwest 20 km/h gusting to 40. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 5 or
moderate.

City of Hamilton.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40. High 24. Humidex 29. UV index 5 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Burlington - Oakville.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this morning. Risk of a thunderstorm.
Wind becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Halton Hills - Milton.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Mississauga - Brampton.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Caledon.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Vaughan - Richmond Hill - Markham.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 22. Humidex 27. UV index 4 or moderate. Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Wingham - Blyth - Northern Huron County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 22. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Stratford - Mitchell - Southern Perth County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Listowel - Milverton - Northern Perth County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Guelph - Erin - Southern Wellington County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Innisfil - New Tecumseth - Angus.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming west 20 km/h near noon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
southwest 20 km/h. High 21. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Fog patches
developing overnight. Low 15.
Tuesday..Cloudy. 30 percent chance of showers in the morning. Fog
patches dissipating in the morning. High 21. Humidex 25. UV index 4
or moderate.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming west 20 km/h near noon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming west 20 km/h near noon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Barrie - Collingwood - Hillsdale.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Midland - Coldwater - Orr Lake.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Orillia - Lagoon City - Washago.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm. Wind
becoming southwest 20 km/h near noon. High 24. Humidex 29. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Picton - Sandbanks Park.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Napanee - Consecon.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Kingston - Odessa - Frontenac Islands.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Lindsay - Southern Kawartha Lakes.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Cloudy. 30 percent chance of showers changing to 70 percent
chance of showers this morning. Risk of a thunderstorm late this
morning and this afternoon. Wind becoming southwest 20 km/h near
noon. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Stirling - Tweed - Madoc.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Tamworth - Sydenham - South Frontenac.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h. High 23. Humidex 28. UV index 2 or
low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Bancroft - Hastings Highlands - Denbigh.
Today..Showers ending this morning then cloudy with 40 percent chance
of showers. Risk of a thunderstorm. High 20. Humidex 25. UV index 4
or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Fog patches developing overnight. Low 14. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 21. Humidex 26. UV index 4 or moderate.

Gananoque - Mallorytown.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Brockville - Prescott.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Westport - Charleston Lake.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Merrickville-Wolford - Kemptville.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Ottawa North - Kanata - Orl‚ans.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Ottawa South - Richmond - Metcalfe.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Gatineau.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Prescott and Russell.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Morrisburg - Long Sault.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Cornwall - Lancaster.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Winchester - Newington.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Maxville - Alexandria.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Continued in next message...

--- up 5 days, 12 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 221500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Monday 22 September 2025 for
today and Tuesday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 2 or low. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Windsor - Leamington - Essex County.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 40. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 6 or
high.

Chatham-Kent - Rondeau Park.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 40. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 5 or
moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 40. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 4 or
moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 40. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 24. Humidex 28. UV index 5 or
moderate.

Rodney - Shedden - Western Elgin County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 5 or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 5 or
moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 5 or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 5 or
moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Simcoe - Delhi - Norfolk.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Dunnville - Caledonia - Haldimand.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Brantford - County of Brant.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 5 or
moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 5 or
moderate.

City of Hamilton.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex
29. UV index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Burlington - Oakville.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Halton Hills - Milton.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Mississauga - Brampton.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Caledon.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Vaughan - Richmond Hill - Markham.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Wingham - Blyth - Northern Huron County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 22. Humidex 27. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.

Stratford - Mitchell - Southern Perth County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Listowel - Milverton - Northern Perth County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Guelph - Erin - Southern Wellington County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Showers with risk of a thunderstorm. Wind west 20 km/h.
High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Innisfil - New Tecumseth - Angus.
Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm.
Wind southwest 20 km/h. High 24. Humidex 29. UV index 3 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Showers with risk of a thunderstorm. Local amount 15 to 25 mm.
Wind west 20 km/h. High 22. Humidex 27. UV index 4 or moderate. Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Showers with risk of a thunderstorm. Local amount 15 to 25 mm.
Wind west 20 km/h. High 21. Humidex 26. UV index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Fog patches
developing overnight. Low 15.
Tuesday..Cloudy. 30 percent chance of showers in the morning. Fog
patches dissipating in the morning. High 21. Humidex 25. UV index 4
or moderate.

Hanover - Dundalk - Southern Grey County.
Today..Showers with risk of a thunderstorm. Local amount 15 to 25 mm.
Wind west 20 km/h. High 22. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Showers with risk of a thunderstorm. Local amount 15 to 25 mm.
Wind west 20 km/h. High 22. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.

Barrie - Collingwood - Hillsdale.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Midland - Coldwater - Orr Lake.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Orillia - Lagoon City - Washago.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 24. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Picton - Sandbanks Park.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Napanee - Consecon.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Kingston - Odessa - Frontenac Islands.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Lindsay - Southern Kawartha Lakes.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 23. Humidex 28. UV index 3 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h.
High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Stirling - Tweed - Madoc.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Tamworth - Sydenham - South Frontenac.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Bancroft - Hastings Highlands - Denbigh.
Today..Cloudy. 40 percent chance of showers near noon. A few showers
beginning near noon. Risk of a thunderstorm. Local amount 10 to
20 mm. High 20. Humidex 25. UV index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Fog patches developing overnight. Low 14. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 21. Humidex 26. UV index 4 or moderate.

Gananoque - Mallorytown.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Brockville - Prescott.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Westport - Charleston Lake.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Merrickville-Wolford - Kemptville.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Ottawa North - Kanata - Orl‚ans.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Ottawa South - Richmond - Metcalfe.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 2 or low.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Gatineau.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Prescott and Russell.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Morrisburg - Long Sault.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Cornwall - Lancaster.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Winchester - Newington.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Maxville - Alexandria.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Plevna - Sharbot Lake - Western Lanark County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Smiths Falls - Perth - Eastern Lanark County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Port Carling - Port Severn.
Today..Showers with risk of a thunderstorm. High 21. Humidex 26. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Fog patches developing overnight.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.

Bracebridge - Gravenhurst.
Today..Showers with risk of a thunderstorm. High 21. Humidex 26. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Fog patches developing overnight.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Showers with risk of a thunderstorm. High 21. Humidex 26. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Fog patches developing overnight.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.

Huntsville - Baysville.
Today..Showers with risk of a thunderstorm. High 21. Humidex 26. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Fog patches developing overnight.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.

Haliburton - Minden - Southern Haliburton County.
Today..Showers with risk of a thunderstorm. High 20. Humidex 25. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Fog patches developing overnight. Low 14. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 21. Humidex 26. UV index 4 or moderate.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Showers with risk of a thunderstorm. High 20. Humidex 25. UV
index 2 or low.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Fog patches developing overnight. Low 14. Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 21. Humidex 26. UV index 4 or moderate.

Continued in next message...

--- up 5 days, 18 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 221930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Monday 22 September 2025 for
tonight Tuesday and Tuesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday.

City of Toronto.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southwest 20 km/h becoming light early this
evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening. Low 10.

Windsor - Leamington - Essex County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 24. Humidex 28. UV
index 6 or high.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Chatham-Kent - Rondeau Park.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 24. Humidex 28. UV
index 5 or moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Sarnia - Petrolia - Western Lambton County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 24. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 24. Humidex 28. UV
index 5 or moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Rodney - Shedden - Western Elgin County.
Tonight..Mainly cloudy. 70 percent chance of showers changing to
30 percent chance of showers this evening. Risk of a thunderstorm
early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 23. Humidex 27. UV
index 5 or moderate.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 9.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Mainly cloudy. 70 percent chance of showers changing to
30 percent chance of showers this evening. Risk of a thunderstorm
early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Mainly cloudy. 60 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 23. Humidex 27. UV
index 5 or moderate.
Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 9.

Strathroy - Komoka - Western Middlesex County.
Tonight..Mainly cloudy. 70 percent chance of showers changing to
30 percent chance of showers this evening. Risk of a thunderstorm
early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Low 9.

London - Parkhill - Eastern Middlesex County.
Tonight..Cloudy. 70 percent chance of showers changing to 30 percent
chance of showers this evening. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h gusting to 40. Low 16.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Low 9.

Simcoe - Delhi - Norfolk.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Low 10.

Dunnville - Caledonia - Haldimand.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 10.

Woodstock - Tillsonburg - Oxford County.
Tonight..Cloudy. 70 percent chance of showers changing to 30 percent
chance of showers this evening. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h gusting to 40. Low 16.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Low 9.

Brantford - County of Brant.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Low 10.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 5
or moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 10.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 5
or moderate.
Tuesday night..Partly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 10.

City of Hamilton.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40.
Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 10.

Burlington - Oakville.
Tonight..Mainly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Wind southwest 20 km/h becoming light
early this evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Halton Hills - Milton.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southwest 20 km/h becoming light early this
evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Mississauga - Brampton.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southwest 20 km/h becoming light early this
evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Caledon.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Vaughan - Richmond Hill - Markham.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southwest 20 km/h becoming light early this
evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Newmarket - Georgina - Northern York Region.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Pickering - Oshawa - Southern Durham Region.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southwest 20 km/h becoming light early this
evening. Low 17.
Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk
of a thunderstorm late in the afternoon. High 23. Humidex 28. UV
index 4 or moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Goderich - Bluewater - Southern Huron County.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 9.

Wingham - Blyth - Northern Huron County.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 9.

Stratford - Mitchell - Southern Perth County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Listowel - Milverton - Northern Perth County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening. Low 10.

Guelph - Erin - Southern Wellington County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening. Low 10.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk
of a thunderstorm in the evening. Low 10.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy. 40 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the evening. Low 10.

Innisfil - New Tecumseth - Angus.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy. 60 percent chance of showers late in the afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening. Low 9.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.
Tuesday night..Cloudy. 40 percent chance of showers in the evening
with risk of a thunderstorm. Low 9.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Fog patches developing overnight. Wind west 20 km/h
becoming light early this evening. Low 15.
Tuesday..Cloudy with 30 percent chance of showers. Fog patches
dissipating in the morning. High 21. Humidex 25. UV index 4 or
moderate.
Tuesday night..Overcast. Low 9.

Hanover - Dundalk - Southern Grey County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.
Tuesday night..Cloudy. 40 percent chance of showers in the evening
with risk of a thunderstorm. Low 9.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind west 20 km/h becoming light
early this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or
moderate.
Tuesday night..Cloudy. 40 percent chance of showers in the evening
with risk of a thunderstorm. Low 9.

Barrie - Collingwood - Hillsdale.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy. Low 9.

Midland - Coldwater - Orr Lake.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 9.

Orillia - Lagoon City - Washago.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Cloudy. Low 9.

Cobourg - Colborne - Western Northumberland County.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Overcast. Low 10.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Overcast. Low 10.

Picton - Sandbanks Park.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Overcast. Low 10.

Napanee - Consecon.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Overcast. Low 10.

Kingston - Odessa - Frontenac Islands.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tuesday night..Overcast. Low 10.

Lindsay - Southern Kawartha Lakes.
Tonight..A few showers ending this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h becoming light early this evening.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4
or moderate.
Tuesday night..Cloudy. 40 percent chance of showers early in the
evening with risk of a thunderstorm. Low 10.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..A few showers ending this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h becoming light early this evening.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4
or moderate.
Tuesday night..Cloudy. 40 percent chance of showers early in the
evening with risk of a thunderstorm. Low 10.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..A few showers ending this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h becoming light early this evening.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4
or moderate.
Tuesday night..Cloudy. 40 percent chance of showers early in the
evening with risk of a thunderstorm. Low 10.

Apsley - Woodview - Northern Peterborough County.
Tonight..A few showers ending this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h becoming light early this evening.
Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4
or moderate.
Tuesday night..Cloudy. 40 percent chance of showers early in the
evening with risk of a thunderstorm. Low 10.

Stirling - Tweed - Madoc.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h becoming light
early this evening. Low 16.
Tuesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy. 60 percent chance of showers in the evening
with risk of a thunderstorm. Low 10.

Tamworth - Sydenham - South Frontenac.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h becoming light
early this evening. Low 16.
Tuesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy. 60 percent chance of showers in the evening
with risk of a thunderstorm. Low 10.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Overcast. Low 10.

Bancroft - Hastings Highlands - Denbigh.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Fog patches developing overnight. Low 14.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 21. Humidex 26. UV index 4 or moderate.
Tuesday night..Overcast. Low 10.

Gananoque - Mallorytown.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h becoming light
early this evening. Low 16.
Tuesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy. 60 percent chance of showers in the evening
with risk of a thunderstorm. Low 10.

Brockville - Prescott.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Mainly cloudy. Low 10.

Westport - Charleston Lake.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h becoming light
early this evening. Low 16.
Tuesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Cloudy. 60 percent chance of showers in the evening
with risk of a thunderstorm. Low 10.

Merrickville-Wolford - Kemptville.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Ottawa North - Kanata - Orl‚ans.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Low 16.
Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 10.

Ottawa South - Richmond - Metcalfe.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Low 16.
Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 10.

Gatineau.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Low 16.
Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Mainly cloudy. Low 10.

Prescott and Russell.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Low 16.
Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Low 10.

Morrisburg - Long Sault.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Cornwall - Lancaster.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Winchester - Newington.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Maxville - Alexandria.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming
light early this evening. Low 16.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4
or moderate.
Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10.

Port Carling - Port Severn.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Fog patches developing overnight. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.
Tuesday night..Cloudy. Low 9.

Bracebridge - Gravenhurst.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Fog patches developing overnight. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.
Tuesday night..Cloudy. Low 9.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Fog patches developing overnight. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.
Tuesday night..Cloudy. Low 9.

Huntsville - Baysville.
Tonight..A few showers ending early this evening then cloudy with
40 percent chance of showers. Risk of a thunderstorm early this
evening. Fog patches developing overnight. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Fog patches dissipating in the
morning. High 22. Humidex 26. UV index 4 or moderate.
Tuesday night..Cloudy. Low 9.

Continued in next message...

--- up 5 days, 23 hours, 27 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 230900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Tuesday 23 September 2025 for
today and Wednesday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 5 or
moderate.

Windsor - Leamington - Essex County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
becoming light early this morning. High 24. Humidex 28. UV index 6
or high.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 2 or
low.

Chatham-Kent - Rondeau Park.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
becoming light early this morning. High 24. Humidex 28. UV index 5
or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 2 or
low.

Sarnia - Petrolia - Western Lambton County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. Wind southwest 20 km/h becoming light early
this morning. High 24. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 2 or
low.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
becoming light early this morning. High 24. Humidex 28. UV index 5
or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 2 or
low.

Rodney - Shedden - Western Elgin County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
becoming light early this morning. High 23. Humidex 27. UV index 5
or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 18.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. Temperature
steady near 19. Humidex 26. UV index 2 or low.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
becoming light early this morning. High 23. Humidex 27. UV index 5
or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 18.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. Temperature
steady near 19. Humidex 26. UV index 2 or low.

Strathroy - Komoka - Western Middlesex County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. Wind southwest 20 km/h becoming light early
this morning. High 23. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 21.
Humidex 27. UV index 2 or low.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. Wind southwest 20 km/h becoming light early
this morning. High 23. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 21.
Humidex 27. UV index 2 or low.

Simcoe - Delhi - Norfolk.
Today..Mainly cloudy. 40 percent chance of showers late this morning
and this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 20 km/h becoming light early this morning. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 2 or
low.

Dunnville - Caledonia - Haldimand.
Today..Mainly cloudy. 40 percent chance of showers late this morning
and this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 20 km/h becoming light early this morning. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 29. UV index 2 or
low.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. Wind southwest 20 km/h becoming light early
this morning. High 23. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 20.
Humidex 27. UV index 2 or low.

Brantford - County of Brant.
Today..Cloudy. 40 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 20 km/h becoming light early this morning. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 27. UV index 2 or
low.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. Wind southwest 20 km/h becoming
light early this morning. High 22. Humidex 27. UV index 5 or
moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 2 or
low.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy. 40 percent chance of showers late this morning
and this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 20 km/h becoming light early this morning. High 22.
Humidex 27. UV index 5 or moderate.
Tonight..Partly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 2 or
low.

City of Hamilton.
Today..Cloudy. 40 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 20 km/h becoming light early this morning. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 26. UV index 2 or
low.

Burlington - Oakville.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Halton Hills - Milton.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Mississauga - Brampton.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Caledon.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Vaughan - Richmond Hill - Markham.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 27. UV index 4 or
moderate.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy. 30 percent chance of showers early this morning.
60 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 2 or
low.

Wingham - Blyth - Northern Huron County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 2 or
low.

Stratford - Mitchell - Southern Perth County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 2 or
low.

Listowel - Milverton - Northern Perth County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 2 or
low.

Kitchener - Cambridge - Region of Waterloo.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 5 or
moderate.

Guelph - Erin - Southern Wellington County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 5 or
moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 5 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Innisfil - New Tecumseth - Angus.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 4 or
moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 14.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 20. Humidex 26. UV index 2 or low.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Cloudy. 40 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 21. Humidex 25. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 14.
Wednesday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. High 20. Humidex 26. UV index 2 or low.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 19. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 19. UV index 4 or moderate.

Barrie - Collingwood - Hillsdale.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy. 60 percent chance of showers in the
afternoon with risk of a thunderstorm. High 20. Humidex 26. UV
index 5 or moderate.

Midland - Coldwater - Orr Lake.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy. 60 percent chance of showers in the
afternoon with risk of a thunderstorm. High 20. Humidex 26. UV
index 5 or moderate.

Orillia - Lagoon City - Washago.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Overcast. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 2 or low.

Belleville - Quinte West - Eastern Northumberland County.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm. High 23.
Humidex 28. UV index 4 or moderate.
Tonight..Overcast. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 2 or low.

Picton - Sandbanks Park.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm. High 23.
Humidex 28. UV index 4 or moderate.
Tonight..Overcast. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 2 or low.

Napanee - Consecon.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Overcast. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 2 or low.

Kingston - Odessa - Frontenac Islands.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm. High 23. Humidex 28. UV
index 4 or moderate.
Tonight..Overcast. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 29. UV index 2 or low.

Lindsay - Southern Kawartha Lakes.
Today..Cloudy. 30 percent chance of showers early this morning.
40 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Fog patches dissipating this morning. High 23.
Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 2 or low.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. High 23. Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 2 or low.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Cloudy. 30 percent chance of showers early this morning.
40 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Fog patches dissipating this morning. High 23.
Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 2 or low.

Apsley - Woodview - Northern Peterborough County.
Today..Cloudy. 30 percent chance of showers early this morning.
40 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Fog patches dissipating this morning. High 23.
Humidex 28. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 19. UV index 2 or low.

Stirling - Tweed - Madoc.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm this afternoon.
High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 18.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 23. Humidex 29. UV index 2 or low.

Tamworth - Sydenham - South Frontenac.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 2 or low.

Kaladar - Bannockburn - Bon Echo Park.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. 40 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Wednesday..Cloudy with 30 percent chance of showers. High 23. Humidex
29. UV index 2 or low.

Bancroft - Hastings Highlands - Denbigh.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. High 21. Humidex 26. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 13.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 20. Humidex 25. UV index 2 or low.

Gananoque - Mallorytown.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm. High 22. Humidex 27. UV
index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 2 or low.

Brockville - Prescott.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm early this morning. Fog
patches dissipating this morning. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Mainly cloudy. Low 16.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 2 or low.

Westport - Charleston Lake.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm. High 22. Humidex 27. UV
index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 2 or low.

Merrickville-Wolford - Kemptville.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm early this morning. Fog
patches dissipating this morning. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Partly cloudy. Becoming cloudy after midnight. Low 16. Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 2 or low.

Ottawa North - Kanata - Orl‚ans.
Today..Cloudy. 70 percent chance of showers changing to 30 percent
chance of showers this morning. Fog patches dissipating this
morning. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Partly cloudy. Becoming cloudy near midnight. Low 15. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 24. Humidex 29. UV index 2 or low.

Ottawa South - Richmond - Metcalfe.
Today..A few showers ending this morning then cloudy with 30 percent
chance of showers. Fog patches dissipating this morning. High 22.
Humidex 27. UV index 4 or moderate.
Tonight..Partly cloudy. Becoming cloudy near midnight. Low 16. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 24. Humidex 29. UV index 2 or low.

Gatineau.
Today..Cloudy with 30 percent chance of showers. Fog patches
dissipating this morning. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Mainly cloudy. Low 15.
Wednesday..Mainly cloudy. 30 percent chance of showers in the
afternoon. High 23. Humidex 28. UV index 5 or moderate.

Prescott and Russell.
Today..Cloudy. 70 percent chance of showers changing to 30 percent
chance of showers this morning. Fog patches dissipating this
morning. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Partly cloudy. Low 17.
Wednesday..Becoming cloudy in the morning. 30 percent chance of
showers in the afternoon. High 23. Humidex 28. UV index 2 or low.

Morrisburg - Long Sault.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm early this morning. Fog
patches dissipating this morning. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Partly cloudy. Becoming cloudy after midnight. Low 18. Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 21. Humidex 26. UV index 2 or low.

Cornwall - Lancaster.
Today..Cloudy. 40 percent chance of showers early this morning. A few
showers beginning this morning changing to 40 percent chance of
showers later this morning. Risk of a thunderstorm early this
morning. Fog patches dissipating this morning. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Partly cloudy. Becoming cloudy after midnight. Low 16. Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 20. Humidex 26. UV index 2 or low.

Winchester - Newington.
Today..A few showers ending this morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm early this morning. Fog
patches dissipating this morning. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Partly cloudy. Becoming cloudy after midnight. Low 15. Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 27. UV index 2 or low.

Maxville - Alexandria.
Today..Cloudy. A few showers this morning then 40 percent chance of
showers late this morning and this afternoon. Risk of a thunderstorm
this morning. Fog patches dissipating this morning. High 22. Humidex
27. UV index 4 or moderate.
Tonight..Partly cloudy. Becoming cloudy after midnight. Low 15. Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 27. UV index 2 or low.

Plevna - Sharbot Lake - Western Lanark County.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm late this
afternoon. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 15.
Wednesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 2 or low.

Smiths Falls - Perth - Eastern Lanark County.
Today..A few showers ending early this morning then cloudy with
40 percent chance of showers. Risk of a thunderstorm late this
afternoon. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 16.
Wednesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 2 or low.

Port Carling - Port Severn.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 22. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Temperature steady near 19.
Humidex 26. UV index 5 or moderate.

Bracebridge - Gravenhurst.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 22. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 26. UV index 5
or moderate.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 22. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 26. UV index 5
or moderate.

Continued in next message...

--- up 6 days, 12 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 231500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Tuesday 23 September 2025 for
today and Wednesday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 30. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Windsor - Leamington - Essex County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 29. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 4 or
moderate.

Chatham-Kent - Rondeau Park.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 30. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 4 or
moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 30. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 4 or
moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 28. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 4 or
moderate.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 27. UV
index 6 or high.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 18.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. Temperature
steady near 19. Humidex 26. UV index 4 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 27. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 18.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. Temperature
steady near 19. Humidex 26. UV index 4 or moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 27. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 21.
Humidex 27. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..Mainly cloudy. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 29. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 21.
Humidex 27. UV index 4 or moderate.

Simcoe - Delhi - Norfolk.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 25. Humidex 31. UV
index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Dunnville - Caledonia - Haldimand.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 29. UV index 4 or
moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the morning and in the afternoon. High 20.
Humidex 27. UV index 4 or moderate.

Brantford - County of Brant.
Today..Cloudy. 40 percent chance of showers late this afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 27. UV index 4 or
moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 30. UV
index 6 or high.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 4 or
moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 30. UV
index 6 or high.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 4 or
moderate.

City of Hamilton.
Today..Cloudy. 40 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 26. UV index 4 or
moderate.

Burlington - Oakville.
Today..Cloudy. 40 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 2 or
low.

Halton Hills - Milton.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 2 or
low.

Mississauga - Brampton.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 30. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Caledon.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
index 6 or high.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Vaughan - Richmond Hill - Markham.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 31. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.

Newmarket - Georgina - Northern York Region.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Cloudy. 40 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 30. UV index 4 or moderate. Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 27. UV index 4 or
moderate.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Wingham - Blyth - Northern Huron County.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 23. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Stratford - Mitchell - Southern Perth County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Listowel - Milverton - Northern Perth County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 4 or
moderate.

Guelph - Erin - Southern Wellington County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 4 or
moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 4 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Cloudy. 60 percent chance of showers late this afternoon with
risk of a thunderstorm. High 24. Humidex 29. UV index 4 or moderate. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Innisfil - New Tecumseth - Angus.
Today..A mix of sun and cloud. 60 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24. Humidex 31. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 28. UV index 4 or
moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this afternoon. High 22. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 14.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this afternoon. High 21. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Low 14.
Wednesday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 19. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..A mix of sun and cloud. 40 percent chance of showers this
afternoon with risk of a thunderstorm. High 21. Humidex 29. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 19. UV index 4 or moderate.

Barrie - Collingwood - Hillsdale.
Today..A mix of sun and cloud. 40 percent chance of showers this
afternoon with risk of a thunderstorm. High 22. Humidex 28. UV
index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy. 40 percent chance of showers this afternoon
with risk of a thunderstorm. High 23. Humidex 28. UV index 5 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Orillia - Lagoon City - Washago.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 28. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Low 17. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 5 or moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 30. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Low 17. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 5 or moderate.

Picton - Sandbanks Park.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 30. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Low 17. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 5 or moderate.

Napanee - Consecon.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 30. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Low 17. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 5 or moderate.

Kingston - Odessa - Frontenac Islands.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 29. UV index 4 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Low 17. Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 29. UV index 5 or moderate.

Lindsay - Southern Kawartha Lakes.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 19. UV index 4 or moderate.

Stirling - Tweed - Madoc.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 18.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 23. Humidex 29. UV index 4 or moderate.

Tamworth - Sydenham - South Frontenac.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 23. Humidex 30. UV index 4 or moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. 40 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Wednesday..Cloudy with 30 percent chance of showers. High 23. Humidex
29. UV index 4 or moderate.

Bancroft - Hastings Highlands - Denbigh.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 13.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 20. Humidex 25. UV index 4 or moderate.

Gananoque - Mallorytown.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 5 or moderate.

Brockville - Prescott.
Today..Cloudy with 40 percent chance of showers. High 21. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 16.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 4 or moderate.

Westport - Charleston Lake.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 40 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 4 or moderate.

Merrickville-Wolford - Kemptville.
Today..Cloudy with 40 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 16.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 28. UV index 4 or moderate.

Ottawa North - Kanata - Orl‚ans.
Today..Cloudy with 30 percent chance of showers. High 22. Humidex 28.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 15.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 24. Humidex 29. UV index 5 or moderate.

Ottawa South - Richmond - Metcalfe.
Today..Cloudy with 30 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 16.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 24. Humidex 29. UV index 5 or moderate.

Gatineau.
Today..Cloudy with 30 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Cloudy. Low 15.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 28. UV index 5 or moderate.

Prescott and Russell.
Today..Cloudy with 30 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 23. Humidex 28. UV index 5 or moderate.

Morrisburg - Long Sault.
Today..Cloudy with 40 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 18.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 21. Humidex 26. UV index 4 or moderate.

Cornwall - Lancaster.
Today..Cloudy with 40 percent chance of showers. High 21. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 16.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 20. Humidex 26. UV index 4 or moderate.

Winchester - Newington.
Today..Cloudy with 40 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 15.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 27. UV index 4 or moderate.

Maxville - Alexandria.
Today..Cloudy with 40 percent chance of showers. High 22. Humidex 27.
UV index 4 or moderate.
Tonight..Mainly cloudy. Low 15.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 22. Humidex 27. UV index 4 or moderate.

Plevna - Sharbot Lake - Western Lanark County.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. 40 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Wednesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.

Smiths Falls - Perth - Eastern Lanark County.
Today..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm late this afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. 40 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Wednesday..Cloudy with 30 percent chance of showers. High 22. Humidex
27. UV index 4 or moderate.

Port Carling - Port Severn.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. Temperature steady near 19.
Humidex 26. UV index 4 or moderate.

Bracebridge - Gravenhurst.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 26. UV index 4
or moderate.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 26. UV index 4
or moderate.

Huntsville - Baysville.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late in the afternoon. High 22. Humidex 26. UV index 4
or moderate.

Haliburton - Minden - Southern Haliburton County.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 13.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 18. UV index 4 or moderate.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 13.
Wednesday..Cloudy. 40 percent chance of showers in the afternoon.
High 18. UV index 4 or moderate.

Barry's Bay - Killaloe.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 20. Humidex 26. UV index 4 or moderate.

Renfrew - Arnprior - Calabogie.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 3 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 15.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 21. Humidex 26. UV index 4 or moderate.

Petawawa - Pembroke - Cobden.
Today..Cloudy. 40 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. High 21. Humidex 26. UV index 3 or
moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 14.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon.
High 21. Humidex 26. UV index 4 or moderate.

Continued in next message...

--- up 6 days, 18 hours, 57 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 231930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Tuesday 23 September 2025 for
tonight Wednesday and Wednesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT
Wednesday.

City of Toronto.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Windsor - Leamington - Essex County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 22. Humidex 29. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Chatham-Kent - Rondeau Park.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
Wind becoming east 30 km/h late in the morning. High 22. Humidex 29.
UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Sarnia - Petrolia - Western Lambton County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 20. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Rodney - Shedden - Western Elgin County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
Wind becoming east 30 km/h in the afternoon. High 23. Humidex 28. UV
index 5 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 5 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Strathroy - Komoka - Western Middlesex County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

London - Parkhill - Eastern Middlesex County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 22. Humidex 27. UV index 5 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Simcoe - Delhi - Norfolk.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 5 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Dunnville - Caledonia - Haldimand.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 18.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Woodstock - Tillsonburg - Oxford County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Brantford - County of Brant.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming east 30 km/h then light
this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 23. Humidex 29. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

City of Hamilton.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 19. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Burlington - Oakville.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind northeast 20 km/h becoming light
this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Halton Hills - Milton.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Mississauga - Brampton.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming north 30 km/h then light
this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Caledon.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind northeast 20 km/h becoming light
this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 27. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Vaughan - Richmond Hill - Markham.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming northwest 30 km/h then
light this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Newmarket - Georgina - Northern York Region.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming northeast 30 km/h then
light this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 26. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Pickering - Oshawa - Southern Durham Region.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind northwest 20 km/h becoming light
this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 17.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Goderich - Bluewater - Southern Huron County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind northeast 20 km/h becoming light this evening.
Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Wingham - Blyth - Northern Huron County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Stratford - Mitchell - Southern Perth County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
Wind becoming east 20 km/h in the afternoon. High 21. Humidex 26. UV
index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Wind east 20 km/h becoming light
near midnight. Low 16.

Listowel - Milverton - Northern Perth County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind northwest 20 km/h becoming light this evening.
Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
Wind becoming southeast 20 km/h late in the morning. High 21.
Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Guelph - Erin - Southern Wellington County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 26. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 20 km/h becoming light early
this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Innisfil - New Tecumseth - Angus.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 21. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 18. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Hanover - Dundalk - Southern Grey County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
early this evening. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 20. Humidex 25. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 16.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. Local amount 50 mm in thunderstorms.
High 20. Humidex 25. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Barrie - Collingwood - Hillsdale.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 20 km/h becoming light this
evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Midland - Coldwater - Orr Lake.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming south 30 km/h then light
this evening. Low 15.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 20. Humidex 25. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Orillia - Lagoon City - Washago.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming west 30 km/h then light
this evening. Low 17.
Wednesday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 16.

Cobourg - Colborne - Western Northumberland County.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 18.
Wednesday..Mainly cloudy. 60 percent chance of showers in the
afternoon with risk of a thunderstorm. Fog patches dissipating in
the morning. High 22. Humidex 27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm. Low 17.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 18.
Wednesday..Mainly cloudy. 60 percent chance of showers in the
afternoon with risk of a thunderstorm. Fog patches dissipating in
the morning. High 22. Humidex 27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm. Low 17.

Picton - Sandbanks Park.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Mainly cloudy. 30 percent chance of showers in the
afternoon. Fog patches dissipating in the morning. High 22. Humidex
27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Low 17.

Napanee - Consecon.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Mainly cloudy. 30 percent chance of showers in the
afternoon. Fog patches dissipating in the morning. High 22. Humidex
27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Low 17.

Kingston - Odessa - Frontenac Islands.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. Wind becoming northeast 20 km/h
late in the afternoon. High 22. Humidex 27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind
northeast 20 km/h. Low 17.

Lindsay - Southern Kawartha Lakes.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 20 km/h becoming light this
evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Wind becoming west 30 km/h then light
this evening. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Apsley - Woodview - Northern Peterborough County.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Stirling - Tweed - Madoc.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. Fog patches dissipating in the morning.
High 23. Humidex 29. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm. Low 16.

Tamworth - Sydenham - South Frontenac.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h late
in the afternoon. High 23. Humidex 29. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind east
20 km/h becoming light in the evening. Low 16.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 16.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon with
risk of a thunderstorm. Fog patches dissipating in the morning.
High 23. Humidex 28. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm. Low 16.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm this evening. Fog patches developing overnight. Low 13. Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. High 21. Humidex 25. UV index 4
or moderate.
Wednesday night..Cloudy with 30 percent chance of showers. Low 13.

Gananoque - Mallorytown.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 17.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. High 23. Humidex 28. UV index 5
or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind
becoming east 20 km/h before morning. Low 16.

Brockville - Prescott.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 17.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
Wind becoming northeast 20 km/h in the afternoon. High 23. Humidex
28. UV index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind becoming east 30 km/h before morning.
Low 16.

Westport - Charleston Lake.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 15.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h late
in the afternoon. High 23. Humidex 28. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind east
20 km/h. Low 16.

Merrickville-Wolford - Kemptville.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 15.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
Wind becoming east 20 km/h late in the afternoon. High 23. Humidex
28. UV index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind east 20 km/h. Low 16.

Ottawa North - Kanata - Orl‚ans.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 16.
Wednesday..Cloudy. Becoming a mix of sun and cloud near noon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h in
the afternoon. High 24. Humidex 28. UV index 5 or moderate.
Wednesday night..Mainly cloudy with 30 percent chance of showers in
the evening and after midnight. Showers beginning overnight. Risk of
a thunderstorm overnight. Low 16.

Ottawa South - Richmond - Metcalfe.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 16.
Wednesday..Cloudy. Becoming a mix of sun and cloud near noon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h in
the afternoon. High 24. Humidex 28. UV index 5 or moderate.
Wednesday night..Mainly cloudy with 30 percent chance of showers in
the evening and after midnight. Showers beginning overnight. Risk of
a thunderstorm overnight. Low 16.

Gatineau.
Tonight..Cloudy. 30 percent chance of showers early this evening. Fog
patches developing overnight. Low 16.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
High 25. Humidex 29. UV index 5 or moderate.
Wednesday night..Mainly cloudy with 30 percent chance of showers in
the evening and after midnight. Showers beginning overnight. Risk of
a thunderstorm overnight. Wind becoming east 30 km/h before morning.
Low 17.

Prescott and Russell.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 16.
Wednesday..Cloudy. Becoming a mix of sun and cloud near noon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h late
in the afternoon. High 24. Humidex 29. UV index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind east 20 km/h. Low 17.

Morrisburg - Long Sault.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 17.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
Wind becoming east 20 km/h in the afternoon. High 21. Humidex 26. UV
index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind east 20 km/h. Low 17.

Cornwall - Lancaster.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 17.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
Wind becoming northeast 30 km/h late in the morning. High 21.
Humidex 26. UV index 4 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind becoming east 20 km/h before morning.
Low 17.

Winchester - Newington.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 16.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
High 22. Humidex 27. UV index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Low 16.

Maxville - Alexandria.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Fog patches developing overnight. Low 14.
Wednesday..Mainly cloudy. Fog patches dissipating in the morning.
Wind becoming east 20 km/h in the afternoon. High 23. Humidex 28. UV
index 5 or moderate.
Wednesday night..Cloudy with 30 percent chance of showers in the
evening and after midnight. Showers beginning overnight. Risk of a
thunderstorm overnight. Wind becoming east 20 km/h before morning.
Low 16.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 14.
Wednesday..Cloudy. 30 percent chance of showers in the afternoon. Fog
patches dissipating in the morning. Wind becoming east 20 km/h late
in the morning. High 21. Humidex 26. UV index 4 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind east
20 km/h becoming light in the evening. Low 16.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Mainly cloudy. 40 percent chance of showers this evening and
after midnight. Risk of a thunderstorm this evening. Fog patches
developing overnight. Low 15.
Wednesday..Mainly cloudy. 30 percent chance of showers in the
afternoon. Fog patches dissipating in the morning. High 22. Humidex
27. UV index 5 or moderate.
Wednesday night..Showers. Risk of a thunderstorm overnight. Wind
becoming east 20 km/h before morning. Low 16.

Port Carling - Port Severn.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h becoming light this evening.
Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
Risk of a thunderstorm late in the afternoon. High 22. Humidex 27.
UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Bracebridge - Gravenhurst.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 15.
Wednesday..Cloudy. 60 percent chance of showers in the afternoon.
Risk of a thunderstorm late in the afternoon. High 22. Humidex 27.
UV index 4 or moderate.
Wednesday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early in the evening. Low 15.

Continued in next message...

--- up 6 days, 23 hours, 27 minutes
* Origin: Northern Realms (1:229/664)

FPCN11 CWTO 240900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Wednesday 24 September 2025
for today and Thursday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Wind northeast 20 km/h
becoming light late this evening. Low 18.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

Windsor - Leamington - Essex County.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm. Local amount 50 mm in thunderstorms. Wind east 20 km/h
becoming light late this morning. High 21. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Temperature steady near 18.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Chatham-Kent - Rondeau Park.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 20. Humidex
26. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 17.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Sarnia - Petrolia - Western Lambton County.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 21. Humidex
27. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 17.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming north 20 km/h late in
the morning. High 22. Humidex 27. UV index 4 or moderate.

Watford - Pinery Park - Eastern Lambton County.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 21. Humidex
27. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 17.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Rodney - Shedden - Western Elgin County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 23. Humidex
29. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 17.
Thursday..Cloudy. 30 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

Strathroy - Komoka - Western Middlesex County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 23. Humidex
29. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy. 30 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 23. Humidex
29. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy. 30 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

Simcoe - Delhi - Norfolk.
Today..Cloudy. 40 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate.

Dunnville - Caledonia - Haldimand.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Fog patches dissipating this morning. Wind
becoming northeast 20 km/h this afternoon. High 24. Humidex 30. UV
index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 28. UV index 4 or moderate.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 22. Humidex 27. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Wind east 20 km/h becoming light
this evening. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate.

Brantford - County of Brant.
Today..Cloudy. 40 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. Wind becoming northeast 20 km/h this
afternoon. High 23. Humidex 29. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind northeast 20 km/h becoming light this
evening. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate.

Niagara Falls - Welland - Southern Niagara Region.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Fog patches dissipating this morning. High 22.
Humidex 29. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 18.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 20. Humidex 27. UV index 4 or moderate.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Fog patches dissipating this morning. High 23.
Humidex 30. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate.

City of Hamilton.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Fog patches dissipating this morning. Wind
becoming northeast 20 km/h late this afternoon. High 20. Humidex 27.
UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind northeast 20 km/h becoming light this
evening. Temperature steady near 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate.

Burlington - Oakville.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. Wind becoming northeast 20 km/h
late this afternoon. High 19. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Wind northeast 20 km/h
becoming light this evening. Low 18.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 28. UV index 4 or moderate.

Halton Hills - Milton.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 20. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

Mississauga - Brampton.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 21. Humidex 27. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 18.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. Wind becoming northwest 30 km/h late in the
afternoon. High 22. Humidex 27. UV index 4 or moderate.

Caledon.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 18. UV index 4 or moderate. Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 22. Humidex 27. UV index 4 or moderate.

Vaughan - Richmond Hill - Markham.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 22. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Newmarket - Georgina - Northern York Region.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 22. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 22. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy. 40 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 22. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening and after
midnight with risk of a thunderstorm. Low 17.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 21. Humidex
28. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Thursday..Cloudy. 30 percent chance of showers in the afternoon with
risk of a thunderstorm. Wind becoming north 20 km/h late in the
morning. High 21. Humidex 26. UV index 4 or moderate.

Wingham - Blyth - Northern Huron County.
Today..Cloudy. 60 percent chance of showers with risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 21. Humidex
27. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Stratford - Mitchell - Southern Perth County.
Today..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Local amount 50 mm in thunderstorms. Wind becoming
southeast 20 km/h late this afternoon. High 21. Humidex 27. UV
index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Wind southeast 20 km/h becoming light this
evening. Low 16.
Thursday..Cloudy. 30 percent chance of showers in the afternoon with
risk of a thunderstorm. Wind becoming northwest 20 km/h late in the
afternoon. High 22. Humidex 27. UV index 4 or moderate.

Listowel - Milverton - Northern Perth County.
Today..Cloudy. 60 percent chance of showers with risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 21. Humidex
27. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Kitchener - Cambridge - Region of Waterloo.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. Wind becoming east 20 km/h late this
afternoon. High 21. Humidex 26. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Wind east 20 km/h becoming light
this evening. Low 15.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. Wind becoming northwest 20 km/h late in the
afternoon. High 21. Humidex 26. UV index 4 or moderate.

Guelph - Erin - Southern Wellington County.
Today..Cloudy. 60 percent chance of showers late this morning and
this afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. High 21. Humidex 26. UV index 4 or
moderate.
Tonight..Cloudy. 60 percent chance of showers this evening. Risk of a
thunderstorm early this evening. Wind east 20 km/h becoming light
late this evening. Low 15.
Thursday..Cloudy. 40 percent chance of showers in the afternoon with
risk of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate.

Mount Forest - Arthur - Northern Wellington County.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. Local amount 50 mm in thunderstorms. High 21.
Humidex 26. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 20. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 20. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Innisfil - New Tecumseth - Angus.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 20. Humidex 27. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Cloudy. 60 percent chance of showers with risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 20. Humidex
25. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 16.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 27. UV index 4 or
moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Cloudy. 60 percent chance of showers with risk of a
thunderstorm. Local amount 50 mm in thunderstorms. High 20. Humidex
25. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 3 or
moderate.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. Local amount 50 mm in thunderstorms. High 20.
Humidex 25. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. Local amount 50 mm in thunderstorms. High 20.
Humidex 25. UV index 4 or moderate.
Tonight..Cloudy. 60 percent chance of showers this evening with risk
of a thunderstorm. Low 15.
Thursday..Cloudy with 30 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or
moderate.

Barrie - Collingwood - Hillsdale.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming northwest 20 km/h in
the afternoon. High 22. Humidex 27. UV index 4 or moderate.

Midland - Coldwater - Orr Lake.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. Wind becoming southeast 20 km/h this afternoon.
High 21. Humidex 26. UV index 4 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming northwest 20 km/h late
in the afternoon. High 22. Humidex 27. UV index 4 or moderate.

Orillia - Lagoon City - Washago.
Today..Cloudy. 60 percent chance of showers this afternoon with risk
of a thunderstorm. High 21. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm early this evening. Low 16.
Thursday..Cloudy with 40 percent chance of showers. Risk of a
thunderstorm in the afternoon. Wind becoming northwest 20 km/h in
the afternoon. High 21. Humidex 26. UV index 4 or moderate.

Cobourg - Colborne - Western Northumberland County.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon. Fog patches dissipating this morning. High 23. Humidex
29. UV index 4 or moderate.
Tonight..Showers. Risk of a thunderstorm late this evening and
overnight. Local amount 5 to 10 mm. Low 17.
Thursday..Showers ending in the morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm in the morning and
afternoon. Local amount 5 to 10 mm. High 23. Humidex 28. UV index 4
or moderate.

Belleville - Quinte West - Eastern Northumberland County.
Today..Mainly cloudy. 40 percent chance of showers late this
afternoon. Fog patches dissipating this morning. High 23. Humidex
29. UV index 4 or moderate.
Tonight..Showers. Risk of a thunderstorm late this evening and
overnight. Local amount 5 to 10 mm. Low 17.
Thursday..Showers ending in the morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm in the morning and
afternoon. Local amount 5 to 10 mm. High 23. Humidex 28. UV index 4
or moderate.

Picton - Sandbanks Park.
Today..Cloudy. Becoming a mix of sun and cloud this afternoon. Fog
patches dissipating this morning. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Low 17.
Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 23. Humidex 28. UV
index 4 or moderate.

Napanee - Consecon.
Today..Cloudy. Becoming a mix of sun and cloud this afternoon. Fog
patches dissipating this morning. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Low 17.
Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 23. Humidex 28. UV
index 4 or moderate.

Kingston - Odessa - Frontenac Islands.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming east 30 km/h late this afternoon. High 24. Humidex 30. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Wind east 30 km/h becoming light this evening. Low 17. Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 21. Humidex 28. UV
index 4 or moderate.

Lindsay - Southern Kawartha Lakes.
Today..Cloudy. 30 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 22. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this evening and overnight. Low 17.
Thursday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 28. UV index 4 or
moderate.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. 30 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this evening and overnight. Low 16.
Thursday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Cloudy. 30 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this evening and overnight. Low 16.
Thursday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 22. Humidex 27. UV index 4 or
moderate.

Apsley - Woodview - Northern Peterborough County.
Today..Cloudy. 30 percent chance of showers this afternoon. Fog
patches dissipating this morning. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this evening and overnight. Low 16.
Thursday..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the afternoon. High 21. Humidex 26. UV index 4 or
moderate.

Stirling - Tweed - Madoc.
Today..Cloudy. 40 percent chance of showers late this afternoon. Fog
patches dissipating this morning. High 23. Humidex 29. UV index 4 or
moderate.
Tonight..Showers. Risk of a thunderstorm late this evening and
overnight. Local amount 5 to 10 mm. Low 17.
Thursday..Showers ending in the morning then cloudy with 40 percent
chance of showers. Risk of a thunderstorm in the morning and
afternoon. Local amount 5 to 10 mm. High 19. UV index 4 or moderate.

Tamworth - Sydenham - South Frontenac.
Today..Cloudy. Fog patches dissipating this morning. High 23. Humidex
29. UV index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Wind east 20 km/h becoming light late this evening.
Low 18.
Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 19. UV index 4 or
moderate.

Kaladar - Bannockburn - Bon Echo Park.
Today..Mainly cloudy. 40 percent chance of showers this afternoon.
Fog patches dissipating this morning. High 23. Humidex 28. UV
index 5 or moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm overnight. Low 15.
Thursday..Showers ending near noon then cloudy with 60 percent chance
of showers. Risk of a thunderstorm in the morning and afternoon.
Local amount 10 to 15 mm. High 19. UV index 4 or moderate.

Bancroft - Hastings Highlands - Denbigh.
Today..Cloudy. 40 percent chance of showers early this morning. Fog
patches dissipating this morning. High 23. Humidex 28. UV index 4 or
moderate.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm before morning. Low 15.
Thursday..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. High 19. UV index 4 or moderate.

Gananoque - Mallorytown.
Today..Cloudy. Fog patches dissipating this morning. Wind becoming
east 20 km/h late this afternoon. High 24. Humidex 30. UV index 5 or
moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Wind east 20 km/h becoming light this evening. Low 18. Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 19. UV index 4 or
moderate.

Brockville - Prescott.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming northeast 20 km/h this afternoon. High 23. Humidex 29. UV
index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Low 18.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 20. Humidex 28. UV index 2 or low.

Westport - Charleston Lake.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming east 20 km/h late this afternoon. High 23. Humidex 29. UV
index 5 or moderate.
Tonight..Cloudy with 40 percent chance of showers this evening and
after midnight. Showers beginning overnight. Risk of a thunderstorm
overnight. Wind east 20 km/h becoming light this evening. Low 16. Thursday..Showers ending late in the morning then cloudy with
60 percent chance of showers. Risk of a thunderstorm in the morning
and afternoon. Local amount 15 to 25 mm. High 18. UV index 4 or
moderate.

Merrickville-Wolford - Kemptville.
Today..Cloudy. Becoming a mix of sun and cloud near noon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 23. Humidex 29. UV index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Wind east 20 km/h becoming light this
evening. Low 16.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 18. UV index 2 or low.

Ottawa North - Kanata - Orl‚ans.
Today..Cloudy. Becoming a mix of sun and cloud near noon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 24. Humidex 28. UV index 5 or moderate.
Tonight..Becoming cloudy this evening. 60 percent chance of showers
overnight. Risk of a thunderstorm overnight. Low 16.
Thursday..Showers with risk of a thunderstorm. Local amount 10 to
20 mm. High 18. UV index 2 or low.

Ottawa South - Richmond - Metcalfe.
Today..Cloudy. Becoming a mix of sun and cloud near noon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 24. Humidex 28. UV index 5 or moderate.
Tonight..Becoming cloudy this evening. 60 percent chance of showers
overnight. Risk of a thunderstorm overnight. Low 16.
Thursday..Showers with risk of a thunderstorm. Local amount 10 to
20 mm. High 18. UV index 2 or low.

Gatineau.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Fog
patches dissipating this morning. Wind east 20 km/h becoming light
late this morning. High 25. Humidex 30. UV index 5 or moderate. Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers overnight with risk of a thunderstorm. Low 17.
Thursday..Showers with risk of a thunderstorm. Local amount 10 to
20 mm. Wind east 20 km/h becoming light late in the morning.
High 18. UV index 2 or low.

Prescott and Russell.
Today..Cloudy. Becoming a mix of sun and cloud near noon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 24. Humidex 28. UV index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Low 17.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 18. UV index 2 or low.

Morrisburg - Long Sault.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming northeast 20 km/h this morning. High 21. Humidex 26. UV
index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Wind east 20 km/h becoming light this
evening. Low 17.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 20. Humidex 28. UV index 2 or low.

Cornwall - Lancaster.
Today..Mainly cloudy. Fog patches dissipating this morning. Wind
becoming northeast 30 km/h late this morning. High 21. Humidex 27.
UV index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Low 17.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 21. Humidex 28. UV index 2 or low.

Winchester - Newington.
Today..Cloudy. Becoming a mix of sun and cloud near noon. Fog patches
dissipating this morning. Wind becoming east 20 km/h this afternoon.
High 22. Humidex 27. UV index 5 or moderate.
Tonight..Cloudy. Showers beginning after midnight. Risk of a
thunderstorm overnight. Low 16.
Thursday..Showers with risk of a thunderstorm. Local amount 20 to
30 mm. High 19. UV index 2 or low.

Continued in next message...

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* Origin: Northern Realms (1:229/664)