Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sat Aug 10 2024 11:05:00 FPCN11 CWTO 101500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Saturday 10 August 2024 for today and Sunday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..A mix of sun and cloud. Wind west 20 km/h gusting to 40. 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. Wind west 30 km/h gusting to 50. High 24. Humidex 27. UV index 8 or very high. Tonight..Partly cloudy. 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 west 20 km/h gusting to 40. High 24. Humidex 26. UV index 7 or high. Tonight..Partly 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 in the afternoon. High 24. Humidex 27. UV index 6 or high. Elgin. Today..A mix of sun and cloud. Wind west 20 km/h gusting to 40. High 24. UV index 7 or high. Tonight..Partly cloudy. Becoming cloudy before morning. 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. Wind west 20 km/h gusting to 40. High 24. UV index 7 or high. Tonight..Partly 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. Wind west 20 km/h gusting to 40. High 24. Humidex 26. UV index 7 or high. Tonight..Partly cloudy. Wind west 20 km/h becoming light 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 west 20 km/h gusting to 40. High 24. Humidex 27. UV index 7 or high. Tonight..Partly cloudy. 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..A mix of sun and cloud. Wind west 20 km/h gusting to 40. High 24. UV index 7 or high. Tonight..Partly cloudy. 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 west 30 km/h gusting to 50. High 25. Humidex 28. UV index 7 or high. Tonight..Partly cloudy. Wind southwest 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..A mix of sun and cloud. Wind west 20 km/h gusting to 40. High 24. UV index 7 or high. Tonight..Partly cloudy. 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..A mix of sun and cloud. Wind west 20 km/h gusting to 40. High 24. UV index 7 or high. Tonight..Clearing late this evening. Wind west 20 km/h becoming light 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..A mix of sun and cloud. 30 percent chance of showers late this afternoon. Wind west 20 km/h gusting to 40. High 22. UV index 7 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. Wind west 20 km/h becoming light this evening. 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 with 30 percent chance of showers. Wind west 20 km/h gusting to 40. High 23. Humidex 25. UV index 7 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and overnight. Wind west 20 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. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon. Wind west 20 km/h gusting to 40. 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. Wingham - Blyth - Northern Huron County. Today..A mix of sun and cloud with 30 percent chance of showers. Wind west 20 km/h gusting to 40. 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. 30 percent chance of showers late this afternoon. Wind west 20 km/h gusting to 40. 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. 30 percent chance of showers late this afternoon. Wind west 20 km/h gusting to 40. 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..A mix of sun and cloud with 30 percent chance of showers. Wind west 20 km/h gusting to 40. High 23. UV index 7 or high. Tonight..Mainly cloudy. 30 percent chance of showers early this evening and overnight. Wind southwest 20 km/h becoming light this evening. 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..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 21. UV index 7 or high. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind west 20 km/h becoming light 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..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 21. UV index 6 or high. Tonight..Cloudy with 40 percent chance of showers. Risk of a thunderstorm this evening. Wind west 20 km/h becoming light 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..A mix of sun and cloud with 60 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 21. UV index 7 or high. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind west 20 km/h becoming light 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..A mix of sun and cloud with 70 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 22. UV index 7 or high. 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 southwest 20 km/h. 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 with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h. 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 with 30 percent chance of showers and risk of a thunderstorm. High 23. UV index 7 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 with 30 percent chance of showers and risk of a thunderstorm. High 22. Humidex 27. UV index 7 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..Mainly cloudy with 30 percent chance of showers and 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. Wind southwest 20 km/h. 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. Wind southwest 20 km/h becoming light this evening. 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. Wind southwest 20 km/h gusting to 40. 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. Wind southwest 20 km/h becoming light this evening. 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. Wind west 20 km/h gusting to 40. 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. Wind southwest 20 km/h becoming light this evening. 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. Wind becoming southwest 20 km/h early this afternoon. 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. Wind southwest 20 km/h becoming light this evening. 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. Wind southwest 20 km/h. High 24. Humidex 29. UV index 8 or very 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 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. Wind west 20 km/h. 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. Wind west 20 km/h becoming light this evening. 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 with 30 percent chance of showers and 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 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 7 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 6 or high. 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 and risk of a thunderstorm. High 20. UV index 7 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 and risk of a thunderstorm. High 19. UV index 7 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..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 22. Humidex 25. UV index 7 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 with 30 percent chance of showers and risk of a thunderstorm. High 23. Humidex 26. UV index 7 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 and risk of a thunderstorm. High 19. UV index 7 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 6 or high. 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 $$$$^^ --- up 1 day, 23 hours, 45 minutes * Origin: Northern Realms (1:229/664) .