FPCN11 CWTO 100900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Saturday 10 August 2024 for
today and Sunday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly sunny. Increasing cloudiness this morning. Wind
 becoming west 20 km/h late this morning. High 25. UV index 7 or
 high.
Tonight..Clearing late this evening. Wind west 20 km/h becoming light
 this evening. Low 14.
Sunday..A mix of sun and cloud. 40 percent chance of showers late in
 the morning and in the afternoon. Risk of a thunderstorm in the
 afternoon. Wind becoming west 20 km/h in the afternoon. High 23.
 Humidex 26. UV index 6 or high.

Windsor - Essex - Chatham-Kent.
Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind
 becoming west 20 km/h this afternoon. High 24. Humidex 27. UV
 index 8 or very high.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind west
 20 km/h becoming light this evening. Low 13.
Sunday..A mix of sun and cloud. 30 percent chance of showers in the
 afternoon. Wind becoming west 20 km/h in the afternoon. High 25.
 Humidex 28. UV index 7 or high.

Sarnia - Lambton.
Today..A mix of sun and cloud. Wind becoming west 20 km/h late this
 morning. High 24. Humidex 26. UV index 7 or high.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind west
 20 km/h becoming light this evening. Low 13.
Sunday..Mainly cloudy. 30 percent chance of showers in the afternoon.
 Wind becoming west 20 km/h in the afternoon. High 24. Humidex 27. UV
 index 6 or high.

Elgin.
Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind
 becoming west 20 km/h late this morning. High 24. UV index 7 or
 high.
Tonight..Mainly cloudy. Wind west 20 km/h becoming light this
 evening. Low 13.
Sunday..Mainly cloudy. 30 percent chance of showers in the afternoon.
 Wind becoming west 20 km/h late in the morning. High 23. Humidex 26.
 UV index 6 or high.

London - Middlesex.
Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind
 becoming west 20 km/h late this morning. High 24. UV index 7 or
 high.
Tonight..Mainly cloudy. Wind west 20 km/h becoming light late this
 evening. Low 13.
Sunday..Mainly cloudy. 30 percent chance of showers in the afternoon.
 Wind becoming west 20 km/h in the morning. High 22. UV index 6 or
 high.

Simcoe - Delhi - Norfolk.
Today..A mix of sun and cloud. High 24. Humidex 26. UV index 7 or
 high.
Tonight..Cloudy. Becoming partly cloudy this evening. Low 14.
Sunday..Mainly cloudy. 40 percent chance of showers in the afternoon
 with risk of a thunderstorm. High 22. UV index 6 or high.

Dunnville - Caledonia - Haldimand.
Today..A mix of sun and cloud. Wind becoming west 20 km/h late this
 morning. High 24. Humidex 27. UV index 7 or high.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind west
 20 km/h becoming light this evening. Low 13.
Sunday..Mainly cloudy. 40 percent chance of showers in the afternoon
 with risk of a thunderstorm. Wind becoming west 20 km/h late in the
 morning. High 21. UV index 7 or high.

Oxford - Brant.
Today..Mainly cloudy. Wind becoming west 20 km/h this morning.
 High 24. UV index 7 or high.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind west
 20 km/h becoming light this evening. Low 13.
Sunday..Mainly cloudy. 40 percent chance of showers in the afternoon
 with risk of a thunderstorm. Wind becoming west 20 km/h in the
 morning. High 21. UV index 6 or high.

Niagara.
Today..A mix of sun and cloud. Wind becoming west 20 km/h late this
 morning. High 25. Humidex 28. UV index 7 or high.
Tonight..Cloudy. Becoming partly cloudy late this evening. Wind west
 20 km/h becoming light this evening. Low 16.
Sunday..A mix of sun and cloud. 40 percent chance of showers in the
 afternoon with risk of a thunderstorm. Wind becoming west 30 km/h
 late in the morning. High 23. Humidex 26. UV index 7 or high.

City of Hamilton.
Today..Increasing cloudiness early this morning. Wind becoming west
 20 km/h late this morning. High 24. UV index 7 or high.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind west
 20 km/h becoming light this evening. Low 13.
Sunday..Mainly cloudy. 40 percent chance of showers in the afternoon
 with risk of a thunderstorm. Wind becoming west 20 km/h late in the
 morning. High 21. UV index 7 or high.

Burlington - Oakville
Halton Hills - Milton
Mississauga - Brampton.
Today..Mainly sunny. Increasing cloudiness this morning. High 24. UV
 index 7 or high.
Tonight..Clearing late this evening. Low 13.
Sunday..A mix of sun and cloud. 40 percent chance of showers late in
 the morning and in the afternoon. Risk of a thunderstorm in the
 afternoon. Wind becoming west 20 km/h in the afternoon. High 22.
 Humidex 25. UV index 6 or high.

Caledon.
Today..Mainly cloudy. 30 percent chance of showers late this
 afternoon. High 22. UV index 7 or high.
Tonight..Cloudy with 30 percent chance of showers early this evening
 then partly cloudy. Low 13.
Sunday..Mainly cloudy with 60 percent chance of showers and risk of a
 thunderstorm. High 20. UV index 5 or moderate.

York - Durham.
Today..A mix of sun and cloud. Becoming cloudy near noon with
 30 percent chance of showers this afternoon. Wind becoming west
 30 km/h this afternoon. High 23. Humidex 25. UV index 7 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
 evening and overnight. Wind west 30 km/h becoming light this
 evening. Low 13.
Sunday..Mainly cloudy with 60 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 30 km/h in the afternoon. High 20.
 UV index 5 or moderate.

Goderich - Bluewater - Southern Huron County
Wingham - Blyth - Northern Huron County.
Today..A mix of sun and cloud. Becoming cloudy this afternoon with
 30 percent chance of showers late this afternoon. Wind becoming west
 20 km/h late this morning. High 22. UV index 7 or high.
Tonight..Cloudy. 30 percent chance of showers early this evening.
 Wind west 20 km/h becoming light this evening. Low 16.
Sunday..Cloudy with 60 percent chance of showers and risk of a
 thunderstorm. High 20. UV index 4 or moderate.

Stratford - Mitchell - Southern Perth County
Listowel - Milverton - Northern Perth County.
Today..A mix of sun and cloud. Becoming cloudy this afternoon with
 30 percent chance of showers late this afternoon. Wind becoming west
 20 km/h this morning. High 21. UV index 7 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
 evening. Wind west 20 km/h becoming light this evening. Low 15.
Sunday..Cloudy with 60 percent chance of showers and risk of a
 thunderstorm. High 20. UV index 4 or moderate.

Waterloo - Wellington.
Today..A mix of sun and cloud. Becoming cloudy this afternoon with
 30 percent chance of showers late this afternoon. Wind becoming west
 20 km/h late this morning. High 22. UV index 7 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
 evening. Wind west 20 km/h becoming light this evening. Low 14.
Sunday..Cloudy with 60 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h late in the morning.
 High 20. UV index 4 or moderate.

Dufferin - Innisfil.
Today..Mainly cloudy with 30 percent chance of showers. Wind becoming
 southwest 20 km/h this afternoon. High 23. UV index 6 or high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
 evening and overnight. Low 12.
Sunday..Mainly cloudy with 60 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h in the afternoon. High 20.
 UV index 5 or moderate.

Saugeen Shores - Kincardine - Southern Bruce County
Bruce Peninsula - Sauble Beach - Tobermory
Hanover - Dundalk - Southern Grey County.
Today..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h late this morning. High 21.
 UV index 5 or moderate.
Tonight..Cloudy with 70 percent chance of showers. Risk of a
 thunderstorm this evening. Low 14.
Sunday..Cloudy with 60 percent chance of showers. Risk of a
 thunderstorm in the afternoon. High 19. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 20. UV index 4 or moderate.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this evening. Low 15.
Sunday..Mainly cloudy with 60 percent chance of showers. Risk of a
 thunderstorm in the afternoon. Wind becoming northwest 20 km/h late
 in the morning. High 19. UV index 6 or high.

Barrie - Collingwood - Hillsdale.
Today..Mainly cloudy with 60 percent chance of showers and risk of a
 thunderstorm. High 21. UV index 6 or high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
 thunderstorm this evening. Low 13.
Sunday..Cloudy with 60 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h in the afternoon. High 19.
 UV index 4 or moderate.

Midland - Coldwater - Orr Lake
Orillia - Lagoon City - Washago.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h late this afternoon.
 High 22. UV index 5 or moderate.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
 thunderstorm this evening. Wind west 20 km/h. Low 16.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind west 20 km/h. High 19. UV index 4 or moderate.

Belleville - Quinte - Northumberland.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon. Wind becoming southwest 20 km/h this afternoon. High 23.
 Humidex 27. UV index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
 Wind southwest 20 km/h becoming light this evening. Low 14.
Sunday..A mix of sun and cloud. 60 percent chance of showers in the
 afternoon with risk of a thunderstorm. Wind becoming southwest
 20 km/h late in the morning. High 22. Humidex 26. UV index 7 or
 high.

Kingston - Prince Edward.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. Wind becoming southwest
 20 km/h late this morning. High 23. Humidex 27. UV index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Wind southwest 20 km/h becoming
 light this evening. Low 14.
Sunday..A mix of sun and cloud. A few showers beginning near noon.
 Risk of a thunderstorm in the afternoon. Wind becoming southwest
 20 km/h late in the morning. High 22. Humidex 26. UV index 6 or
 high.

Peterborough - Kawartha Lakes.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 23. UV index 6 or high.
Tonight..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm this evening. Low 11.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. High 19. UV index 5 or moderate.

Stirling - Tweed - South Frontenac.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 22. Humidex 27. UV
 index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 11.
Sunday..A mix of sun and cloud. A few showers beginning near noon.
 Risk of a thunderstorm in the afternoon. High 22. Humidex 25. UV
 index 6 or high.

Bancroft - Bon Echo Park.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 22. UV index 7 or high.
Tonight..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm this evening. Low 10.
Sunday..Showers. Risk of a thunderstorm in the afternoon. High 20.
 Humidex 25. UV index 3 or moderate.

Brockville - Leeds and Grenville.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 24. Humidex 29. UV
 index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 12.
Sunday..Increasing cloudiness. Showers beginning in the afternoon.
 Risk of a thunderstorm in the afternoon. High 22. Humidex 25. UV
 index 6 or high.

City of Ottawa.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
 index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 12.
Sunday..Cloudy. Showers beginning in the afternoon. Risk of a
 thunderstorm in the afternoon. High 22. Humidex 26. UV index 6 or
 high.

Gatineau.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 24. Humidex 29. UV
 index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 13.
Sunday..Cloudy. Showers beginning in the afternoon. Risk of a
 thunderstorm in the afternoon. High 21. Humidex 25. UV index 5 or
 moderate.

Prescott and Russell.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 23. Humidex 29. UV
 index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 12.
Sunday..Mainly cloudy. A few showers beginning in the afternoon. Risk
 of a thunderstorm late in the afternoon. High 22. Humidex 27. UV
 index 6 or high.

Morrisburg - Long Sault
Cornwall - Lancaster
Winchester - Newington.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 24. Humidex 29. UV
 index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 13.
Sunday..Mainly cloudy. A few showers beginning in the afternoon. Risk
 of a thunderstorm late in the afternoon. High 22. Humidex 26. UV
 index 6 or high.

Maxville - Alexandria.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
 index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 13.
Sunday..Mainly cloudy. A few showers beginning in the afternoon. Risk
 of a thunderstorm late in the afternoon. High 22. Humidex 25. UV
 index 6 or high.

Smiths Falls - Lanark - Sharbot Lake.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 23. Humidex 28. UV
 index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
 evening with risk of a thunderstorm. Low 12.
Sunday..Increasing cloudiness. A few showers beginning near noon.
 Risk of a thunderstorm in the afternoon. High 22. Humidex 25. UV
 index 5 or moderate.

Port Carling - Port Severn
Bracebridge - Gravenhurst.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming west 20 km/h late this afternoon.
 High 21. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Wind west 20 km/h
 becoming light late this evening. Low 14.
Sunday..Showers with risk of a thunderstorm. Wind becoming west
 20 km/h in the afternoon. High 19. UV index 2 or low.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming southwest 20 km/h this afternoon.
 High 20. UV index 5 or moderate.
Tonight..Showers with risk of a thunderstorm. Low 15.
Sunday..Showers with risk of a thunderstorm. Wind becoming west
 20 km/h late in the morning. Temperature steady near 17. UV index 2
 or low.

Huntsville - Baysville.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. High 20. UV index 6 or high.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
 thunderstorm this evening. Low 14.
Sunday..Showers with risk of a thunderstorm. Temperature steady
 near 16. UV index 2 or low.

Haliburton.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. High 19. UV index 6 or high.
Tonight..Cloudy with 60 percent chance of showers. Risk of a
 thunderstorm this evening. Low 13.
Sunday..Showers with risk of a thunderstorm. High 17. UV index 3 or
 moderate.

Barry's Bay - Killaloe
Renfrew - Arnprior - Calabogie.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. High 22. Humidex 25. UV
 index 6 or high.
Tonight..Partly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm this evening. Low 13.
Sunday..Showers. Risk of a thunderstorm in the afternoon. High 19. UV
 index 2 or low.

Petawawa - Pembroke - Cobden.
Today..Mainly cloudy. 30 percent chance of showers this afternoon
 with risk of a thunderstorm. High 23. Humidex 26. UV index 6 or
 high.
Tonight..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm this evening. Low 13.
Sunday..Showers. Risk of a thunderstorm in the afternoon. High 20. UV
 index 2 or low.

Algonquin.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. High 19. UV index 6 or high.
Tonight..Cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this evening. Low 12.
Sunday..Showers with risk of a thunderstorm. High 17. UV index 2 or
 low.

Burk's Falls - Bayfield Inlet.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming southwest 20 km/h this afternoon.
 High 19. UV index 5 or moderate.
Tonight..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Low 13.
Sunday..Showers with risk of a thunderstorm. High 17. UV index 2 or
 low.

End
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