Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sun Sep 22 2024 11:05:00 FPCN11 CWTO 221500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Sunday 22 September 2024 for today and Monday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Cloudy. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 31. UV index 5 or moderate. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 18. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Windsor - Leamington - Essex County. Today..Mainly cloudy. Wind southeast 20 km/h. High 27. Humidex 31. UV index 6 or high. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 4 or moderate. Chatham-Kent - Rondeau Park. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 27. Humidex 31. UV index 6 or high. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 4 or moderate. Sarnia - Petrolia - Western Lambton County. Today..Mainly cloudy. Wind southeast 20 km/h. High 27. Humidex 32. UV index 5 or moderate. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. High 22. Humidex 29. UV index 4 or moderate. Watford - Pinery Park - Eastern Lambton County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 27. Humidex 32. UV index 6 or high. Tonight..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. High 22. Humidex 29. UV index 2 or low. Rodney - Shedden - Western Elgin County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 25. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 18. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 23. Humidex 30. UV index 4 or moderate. St. Thomas - Aylmer - Eastern Elgin County. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 25. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 18. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 23. Humidex 30. UV index 2 or low. Strathroy - Komoka - Western Middlesex County. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 22. Humidex 28. UV index 4 or moderate. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 22. Humidex 28. UV index 4 or moderate. Simcoe - Delhi - Norfolk. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 32. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 22. Humidex 27. UV index 2 or low. Dunnville - Caledonia - Haldimand. Today..A mix of sun and cloud. High 25. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers overnight with risk of a thunderstorm. Fog patches developing overnight. Low 17. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. High 22. Humidex 28. UV index 2 or low. Woodstock - Tillsonburg - Oxford County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 20. Humidex 26. UV index 2 or low. Brantford - County of Brant. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 20. Humidex 26. UV index 2 or low. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. High 25. Humidex 32. UV index 6 or high. Tonight..Becoming cloudy this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Low 18. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. High 22. Humidex 28. UV index 4 or moderate. St. Catharines - Grimsby - Northern Niagara Region. Today..A mix of sun and cloud. High 26. Humidex 34. UV index 5 or moderate. Tonight..Becoming cloudy late this evening with 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Low 18. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. High 24. Humidex 29. UV index 4 or moderate. City of Hamilton. Today..Cloudy. Becoming a mix of sun and cloud this afternoon. Wind southeast 20 km/h. High 25. Humidex 32. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Wind southeast 20 km/h. Low 17. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating in the morning. Wind southeast 20 km/h. High 20. Humidex 26. UV index 2 or low. Burlington - Oakville. Today..Cloudy. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 33. UV index 5 or moderate. Tonight..Cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Halton Hills - Milton. Today..A mix of sun and cloud. High 25. Humidex 33. UV index 6 or high. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 23. Humidex 27. UV index 3 or moderate. Mississauga - Brampton. Today..Cloudy. Becoming a mix of sun and cloud this afternoon. High 25. Humidex 33. UV index 5 or moderate. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Caledon. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 25. Humidex 33. UV index 6 or high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 23. Humidex 27. UV index 4 or moderate. Vaughan - Richmond Hill - Markham. Today..Cloudy. Becoming a mix of sun and cloud this afternoon. High 26. Humidex 32. UV index 5 or moderate. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Newmarket - Georgina - Northern York Region. Today..A mix of sun and cloud. High 26. Humidex 32. UV index 6 or high. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Fog patches developing overnight. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Pickering - Oshawa - Southern Durham Region. Today..Mainly cloudy. Clearing late this afternoon. High 25. Humidex 31. UV index 6 or high. Tonight..Becoming cloudy late this evening. 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 26. UV index 4 or moderate. Uxbridge - Beaverton - Northern Durham Region. Today..A mix of sun and cloud. High 26. Humidex 32. UV index 6 or high. Tonight..Becoming cloudy this evening. 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing overnight. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Goderich - Bluewater - Southern Huron County. Today..Increasing cloudiness early this afternoon. Wind southeast 20 km/h. High 27. Humidex 31. UV index 6 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 28. UV index 4 or moderate. Wingham - Blyth - Northern Huron County. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h. High 26. Humidex 30. UV index 6 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 28. UV index 4 or moderate. Stratford - Mitchell - Southern Perth County. Today..Increasing cloudiness near noon. Wind southeast 20 km/h. High 26. Humidex 30. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 28. UV index 4 or moderate. Listowel - Milverton - Northern Perth County. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h. High 26. Humidex 29. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 22. Humidex 27. UV index 3 or moderate. Kitchener - Cambridge - Region of Waterloo. Today..Mainly sunny. Increasing cloudiness this afternoon. Wind southeast 20 km/h. High 27. Humidex 32. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 26. UV index 2 or low. Guelph - Erin - Southern Wellington County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 27. Humidex 32. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 26. UV index 2 or low. Mount Forest - Arthur - Northern Wellington County. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 17. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 26. UV index 3 or moderate. Orangeville - Grand Valley - Southern Dufferin County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 32. UV index 6 or high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 26. UV index 4 or moderate. Shelburne - Mansfield - Northern Dufferin County. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 32. UV index 6 or high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight. Risk of a thunderstorm overnight. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 21. Humidex 26. UV index 4 or moderate. Innisfil - New Tecumseth - Angus. Today..A mix of sun and cloud. High 26. Humidex 32. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Fog patches developing overnight. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. High 21. Humidex 26. UV index 4 or moderate. Saugeen Shores - Kincardine - Southern Bruce County. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 20. Humidex 25. UV index 4 or moderate. Bruce Peninsula - Sauble Beach - Tobermory. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 24. Humidex 29. UV index 6 or high. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Mainly cloudy. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 20. Humidex 25. UV index 5 or moderate. Hanover - Dundalk - Southern Grey County. Today..Increasing cloudiness this afternoon. Wind southeast 20 km/h. High 26. Humidex 31. UV index 6 or high. Tonight..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 20. Humidex 25. UV index 4 or moderate. Owen Sound - Blue Mountains - Northern Grey County. Today..Cloudy. Wind southeast 20 km/h. High 25. Humidex 30. UV index 5 or moderate. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 15. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h near noon. High 20. UV index 5 or moderate. Barrie - Collingwood - Hillsdale. Today..A mix of sun and cloud. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 15. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Midland - Coldwater - Orr Lake. Today..A mix of sun and cloud. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 15. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Orillia - Lagoon City - Washago. Today..A mix of sun and cloud. High 26. Humidex 31. UV index 5 or moderate. Tonight..Cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 15. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Cobourg - Colborne - Western Northumberland County. Today..Clearing this afternoon. High 25. Humidex 31. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness after midnight. Low 18. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Belleville - Quinte West - Eastern Northumberland County. Today..Clearing this afternoon. High 25. Humidex 31. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness after midnight. Low 18. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Picton - Sandbanks Park. Today..Clearing this afternoon. High 25. Humidex 31. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness after midnight. Low 19. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Napanee - Consecon. Today..Clearing this afternoon. High 25. Humidex 31. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness after midnight. Low 19. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Kingston - Odessa - Frontenac Islands. Today..Mainly sunny. High 25. Humidex 31. UV index 6 or high. Tonight..A few clouds. Increasing cloudiness overnight. Low 19. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 22. Humidex 28. UV index 4 or moderate. Lindsay - Southern Kawartha Lakes. Today..A mix of sun and cloud. High 26. Humidex 31. UV index 5 or moderate. Tonight..Becoming cloudy late this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. High 21. Humidex 27. UV index 4 or moderate. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Mainly cloudy. High 25. Humidex 31. UV index 5 or moderate. Tonight..Becoming cloudy this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. High 20. Humidex 26. UV index 4 or moderate. Peterborough City - Lakefield - Southern Peterborough County. Today..A mix of sun and cloud. High 25. Humidex 30. UV index 5 or moderate. Tonight..Increasing cloudiness. 70 percent chance of showers overnight with risk of a thunderstorm. Low 16. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. High 21. Humidex 26. UV index 4 or moderate. Apsley - Woodview - Northern Peterborough County. Today..Mainly cloudy. High 25. Humidex 30. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy near midnight with 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. High 21. Humidex 26. UV index 4 or moderate. Stirling - Tweed - Madoc. Today..A mix of sun and cloud. High 25. Humidex 31. UV index 5 or moderate. Tonight..Increasing cloudiness late this evening. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Tamworth - Sydenham - South Frontenac. Today..A mix of sun and cloud. High 25. Humidex 31. UV index 6 or high. Tonight..Increasing cloudiness near midnight. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 2 or low. Kaladar - Bannockburn - Bon Echo Park. Today..A mix of sun and cloud. High 25. Humidex 30. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness after midnight. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Bancroft - Hastings Highlands - Denbigh. Today..Mainly cloudy. High 24. Humidex 29. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy near midnight. 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate. Gananoque - Mallorytown. Today..Mainly sunny. High 25. Humidex 30. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 17. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 22. Humidex 25. UV index 3 or moderate. Brockville - Prescott. Today..Sunny. High 24. Humidex 29. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy this evening. Low 17. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. Humidex 25. UV index 4 or moderate. Westport - Charleston Lake. Today..A mix of sun and cloud. High 25. Humidex 30. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness overnight. Low 17. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. Humidex 25. UV index 2 or low. Merrickville-Wolford - Kemptville. Today..Mainly sunny. High 24. Humidex 29. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 17. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. Humidex 25. UV index 4 or moderate. Ottawa North - Kanata - Orl‚ans. Today..Mainly sunny. High 23. Humidex 27. UV index 5 or moderate. Tonight..Increasing cloudiness. Low 16. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Ottawa South - Richmond - Metcalfe. Today..Mainly sunny. High 23. Humidex 27. UV index 5 or moderate. Tonight..Increasing cloudiness. Low 16. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Gatineau. Today..Sunny. High 23. Humidex 28. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 14. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Prescott and Russell. Today..Mainly sunny. High 23. Humidex 27. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 13. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Morrisburg - Long Sault. Today..Sunny. High 24. Humidex 28. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy late this evening. Low 13. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Cornwall - Lancaster. Today..Sunny. High 23. Humidex 27. UV index 5 or moderate. Tonight..Clear. Increasing cloudiness near midnight. Low 13. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Winchester - Newington. Today..Sunny. High 24. Humidex 28. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 13. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 3 or moderate. Maxville - Alexandria. Today..Sunny. High 23. Humidex 27. UV index 5 or moderate. Tonight..Clear. Becoming partly cloudy near midnight. Low 13. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. UV index 4 or moderate. Plevna - Sharbot Lake - Western Lanark County. Today..A mix of sun and cloud. High 25. Humidex 30. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy after midnight. Low 17. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 21. Humidex 25. UV index 3 or moderate. Smiths Falls - Perth - Eastern Lanark County. Today..Mainly sunny. High 24. Humidex 29. UV index 5 or moderate. Tonight..A few clouds. Increasing cloudiness late this evening. Low 17. Monday..Cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. High 21. Humidex 25. UV index 3 or moderate. Port Carling - Port Severn. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 32. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Bracebridge - Gravenhurst. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 26. Humidex 32. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 21. Humidex 27. UV index 4 or moderate. Town of Parry Sound - Rosseau - Killbear Park. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind southeast 20 km/h. High 26. Humidex 31. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..A mix of sun and cloud with 70 percent chance of showers and risk of a thunderstorm. High 19. UV index 5 or moderate. Huntsville - Baysville. Today..Mainly cloudy. Wind southeast 20 km/h. High 26. Humidex 31. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 19. UV index 4 or moderate. Haliburton - Minden - Southern Haliburton County. Today..Mainly cloudy. 30 percent chance of showers late this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers near midnight. Risk of a thunderstorm overnight. Low 15. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Mainly cloudy. 30 percent chance of showers late this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers near midnight. Risk of a thunderstorm overnight. Low 15. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate. Barry's Bay - Killaloe. Today..Mainly cloudy. High 24. Humidex 29. UV index 5 or moderate. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 20. Humidex 25. UV index 2 or low. Renfrew - Arnprior - Calabogie. Today..A mix of sun and cloud. High 24. Humidex 29. UV index 5 or moderate. Tonight..Partly cloudy. Becoming cloudy near midnight. 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 20. Humidex 25. UV index 4 or moderate. Petawawa - Pembroke - Cobden. Today..A mix of sun and cloud. High 24. Humidex 29. UV index 5 or moderate. Tonight..Mainly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Low 16. Monday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 19. UV index 2 or low. Western Algonquin Park - Lake of Two Rivers. Today..Mainly cloudy. 30 percent chance of showers late this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers near midnight. Risk of a thunderstorm overnight. Low 14. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 19 with temperature falling to 15 in the afternoon. UV index 4 or moderate. Deep River - Whitney - Eastern Algonquin Park. Today..Mainly cloudy. 30 percent chance of showers late this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers near midnight. Risk of a thunderstorm overnight. Low 14. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 19 with temperature falling to 15 in the afternoon. UV index 4 or moderate. Bayfield Inlet - Dunchurch. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 24. Humidex 28. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 14. Monday..A mix of sun and cloud with 70 percent chance of showers and risk of a thunderstorm. High 18. UV index 5 or moderate. South River - Burk's Falls. Today..A mix of sun and cloud. Wind southeast 20 km/h. High 24. Humidex 28. UV index 5 or moderate. Tonight..Cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southeast 20 km/h becoming light near midnight. Low 14. Monday..A mix of sun and cloud with 70 percent chance of showers and risk of a thunderstorm. High 18. UV index 5 or moderate. End $$$$^^ --- up 5 days, 2 hours, 28 minutes * Origin: Northern Realms (1:229/664) .