Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sun Aug 04 2024 11:05:00 FPCN11 CWTO 041500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Sunday 4 August 2024 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 with 30 percent chance of showers. High 31. Humidex 38. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 21. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Windsor - Leamington - Essex County. Today..Sunny. High 31. Humidex 39. UV index 9 or very high. Tonight..Clear early this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 30. Humidex 38. UV index 9 or very high. Chatham-Kent - Rondeau Park. Today..Sunny. High 31. Humidex 39. UV index 9 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 30. Humidex 38. UV index 8 or very high. Sarnia - Petrolia - Western Lambton County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 37. UV index 9 or very high. Watford - Pinery Park - Eastern Lambton County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 37. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 35. UV index 8 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 35. UV index 8 or very high. Strathroy - Komoka - Western Middlesex County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. London - Parkhill - Eastern Middlesex County. Today..Sunny. High 31. Humidex 36. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Simcoe - Delhi - Norfolk. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 35. UV index 9 or very high. Dunnville - Caledonia - Haldimand. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 38. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 36. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..Sunny. High 30. Humidex 35. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 27. Humidex 33. UV index 9 or very high. Brantford - County of Brant. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 35. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 27. Humidex 33. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 37. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 27. Humidex 35. UV index 9 or very high. St. Catharines - Grimsby - Northern Niagara Region. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 39. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 21. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 37. UV index 8 or very high. City of Hamilton. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 37. UV index 8 or very high. Tonight..Clear this evening and after midnight then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 29. Humidex 37. UV index 9 or very high. Burlington - Oakville. Today..A mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 37. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Halton Hills - Milton. Today..A mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 37. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Mississauga - Brampton. Today..A mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 37. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Caledon. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear. Increasing cloudiness near midnight then 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 29. Humidex 36. UV index 8 or very high. Vaughan - Richmond Hill - Markham. Today..A mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 37. UV index 8 or very high. Tonight..Clear. Increasing cloudiness near midnight then 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Newmarket - Georgina - Northern York Region. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Pickering - Oshawa - Southern Durham Region. Today..A mix of sun and cloud with 30 percent chance of showers. High 31. Humidex 37. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy. 40 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Goderich - Bluewater - Southern Huron County. Today..Clearing early this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 40 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening and overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning. Risk of a thunderstorm early in the morning. High 27. Humidex 34. UV index 7 or high. Wingham - Blyth - Northern Huron County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 40 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening and overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning. Risk of a thunderstorm early in the morning. High 27. Humidex 34. UV index 7 or high. Stratford - Mitchell - Southern Perth County. Today..A mix of sun and cloud. Becoming sunny this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 7 or high. Listowel - Milverton - Northern Perth County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 7 or high. Kitchener - Cambridge - Region of Waterloo. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Guelph - Erin - Southern Wellington County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 28. Humidex 35. UV index 8 or very high. Mount Forest - Arthur - Northern Wellington County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight with risk of a thunderstorm. Low 17. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 28. Humidex 35. UV index 7 or high. Orangeville - Grand Valley - Southern Dufferin County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 37. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight with risk of a thunderstorm. Low 15. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 7 or high. Shelburne - Mansfield - Northern Dufferin County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 37. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight with risk of a thunderstorm. Low 15. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 7 or high. Innisfil - New Tecumseth - Angus. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 38. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 15. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 8 or very high. Saugeen Shores - Kincardine - Southern Bruce County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 33. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 40 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening and overnight. Low 16. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning. Risk of a thunderstorm early in the morning. High 26. Humidex 31. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..A mix of sun and cloud with 30 percent chance of showers. High 27. Humidex 31. UV index 8 or very 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..A mix of sun and cloud. 30 percent chance of showers early in the morning. High 26. Humidex 31. UV index 8 or very high. Hanover - Dundalk - Southern Grey County. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 29. Humidex 33. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight with risk of a thunderstorm. Low 16. Monday..A mix of sun and cloud. 40 percent chance of showers in the morning with risk of a thunderstorm. High 26. Humidex 31. UV index 7 or high. Owen Sound - Blue Mountains - Northern Grey County. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon. High 29. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 40 percent chance of showers early in the morning and risk of a thunderstorm. Clearing in the morning. High 26. Humidex 31. UV index 8 or very high. Barrie - Collingwood - Hillsdale. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 28. Humidex 33. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening and overnight. Low 18. Monday..A mix of sun and cloud. 40 percent chance of showers early in the morning with risk of a thunderstorm. High 26. Humidex 33. UV index 8 or very high. Midland - Coldwater - Orr Lake. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 28. Humidex 33. UV index 8 or very 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 40 percent chance of showers early in the morning and risk of a thunderstorm. Clearing in the morning. High 26. Humidex 33. UV index 8 or very high. Orillia - Lagoon City - Washago. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 28. Humidex 33. UV index 8 or very high. Tonight..Clear early this evening then partly cloudy with 70 percent chance of showers late this evening and overnight. Risk of a thunderstorm late this evening and overnight. Low 18. Monday..A mix of sun and cloud. 40 percent chance of showers early in the morning with risk of a thunderstorm. High 26. Humidex 33. UV index 8 or very high. Cobourg - Colborne - Western Northumberland County. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 6 or high. Belleville - Quinte West - Eastern Northumberland County. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 6 or high. Picton - Sandbanks Park. Today..A mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 6 or high. Napanee - Consecon. Today..A mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 6 or high. Kingston - Odessa - Frontenac Islands. Today..A mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 20. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 24. Humidex 31. UV index 6 or high. Lindsay - Southern Kawartha Lakes. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 25. Humidex 31. UV index 8 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 25. Humidex 31. UV index 8 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..A mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 36. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 25. Humidex 31. UV index 7 or high. Apsley - Woodview - Northern Peterborough County. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm this afternoon. High 29. Humidex 35. UV index 8 or very high. Tonight..Clear. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 16. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 25. Humidex 31. UV index 7 or high. Stirling - Tweed - Madoc. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 23. Humidex 31. UV index 6 or high. Tamworth - Sydenham - South Frontenac. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 19. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 23. Humidex 31. UV index 6 or high. Kaladar - Bannockburn - Bon Echo Park. Today..A mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 34. UV index 8 or very high. Tonight..Clear. Increasing cloudiness near midnight then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 14. Monday..Cloudy. 70 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 21. Humidex 27. UV index 5 or moderate. Bancroft - Hastings Highlands - Denbigh. Today..A mix of sun and cloud with 30 percent chance of showers. High 29. Humidex 34. UV index 8 or very high. Tonight..Increasing cloudiness. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 14. Monday..Cloudy. 60 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 21. Humidex 27. UV index 5 or moderate. Gananoque - Mallorytown. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 39. UV index 8 or very high. Tonight..Partly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 18. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 22. Humidex 30. UV index 6 or high. Brockville - Prescott. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 39. UV index 8 or very high. Tonight..Partly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 18. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 22. Humidex 30. UV index 6 or high. Westport - Charleston Lake. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 38. UV index 8 or very high. Tonight..Partly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 18. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 22. Humidex 30. UV index 6 or high. Merrickville-Wolford - Kemptville. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 17. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20 with temperature falling to 17 in the afternoon. Humidex 25. UV index 5 or moderate. Ottawa North - Kanata - Orl‚ans. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 21. Humidex 26. UV index 5 or moderate. Ottawa South - Richmond - Metcalfe. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 21. Humidex 26. UV index 5 or moderate. Gatineau. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 37. UV index 8 or very high. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm. Low 17. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 21. Humidex 26. UV index 5 or moderate. Prescott and Russell. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 30. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20 with temperature falling to 17 in the afternoon. Humidex 25. UV index 5 or moderate. Morrisburg - Long Sault. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 30. Humidex 38. UV index 8 or very high. Tonight..Partly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 16. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Cornwall - Lancaster. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 30. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 16. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Winchester - Newington. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 30. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Maxville - Alexandria. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 30. Humidex 38. UV index 8 or very high. Tonight..Mainly cloudy. 70 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Plevna - Sharbot Lake - Western Lanark County. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. High 30. Humidex 36. UV index 8 or very high. Tonight..A few clouds. Increasing cloudiness near midnight then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 17. Monday..Cloudy. 70 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Smiths Falls - Perth - Eastern Lanark County. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers early this afternoon then 70 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy with 70 percent chance of showers. Risk of a thunderstorm. Low 17. Monday..Cloudy with 70 percent chance of showers and risk of a thunderstorm. High 20. Humidex 27. UV index 5 or moderate. Port Carling - Port Severn. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 27. Humidex 32. UV index 8 or very high. Tonight..Increasing cloudiness early this evening. 70 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 19. Monday..Cloudy with 40 percent chance of showers early in the morning then a mix of sun and cloud. Risk of a thunderstorm early in the morning. High 25. Humidex 32. UV index 8 or very high. Bracebridge - Gravenhurst. Today..A mix of sun and cloud with 30 percent chance of showers early this afternoon. Becoming sunny late this afternoon. High 28. Humidex 33. UV index 8 or very 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..Mainly cloudy. 40 percent chance of showers early in the morning with risk of a thunderstorm. High 22. Humidex 29. UV index 8 or very high. Town of Parry Sound - Rosseau - Killbear Park. Today..A mix of sun and cloud with 30 percent chance of showers. High 28. Humidex 32. UV index 7 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 16. Monday..Cloudy. 40 percent chance of showers early in the morning. Clearing late in the morning. High 23. Humidex 27. UV index 7 or high. Huntsville - Baysville. Today..A mix of sun and cloud with 30 percent chance of showers. High 28. Humidex 32. UV index 7 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 16. Monday..Cloudy. 40 percent chance of showers early in the morning. Clearing late in the afternoon. High 23. Humidex 27. UV index 6 or high. Haliburton - Minden - Southern Haliburton County. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..A few clouds. Increasing cloudiness late this evening then 70 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 15. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 19. UV index 5 or moderate. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..A mix of sun and cloud with 30 percent chance of showers. High 27. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 15. Monday..Mainly cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. High 19. UV index 5 or moderate. Barry's Bay - Killaloe. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. High 29. Humidex 34. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 16. Monday..Cloudy with 60 percent chance of showers in the morning and early in the afternoon then a mix of sun and cloud. Risk of a thunderstorm in the morning and early in the afternoon. High 22. Humidex 27. UV index 5 or moderate. Renfrew - Arnprior - Calabogie. Today..A mix of sun and cloud with 40 percent chance of showers. Risk of a thunderstorm late this afternoon. High 30. Humidex 35. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 16. Monday..Cloudy with 60 percent chance of showers in the morning and early in the afternoon then a mix of sun and cloud. Risk of a thunderstorm in the morning and early in the afternoon. High 22. Humidex 27. UV index 5 or moderate. Petawawa - Pembroke - Cobden. Today..A mix of sun and cloud with 40 percent chance of showers. Risk of a thunderstorm late this afternoon. High 30. Humidex 35. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers late this evening and overnight with risk of a thunderstorm. Low 16. Monday..Mainly cloudy with 60 percent chance of showers in the morning and early in the afternoon and risk of a thunderstorm. Clearing late in the afternoon. High 22. Humidex 27. UV index 6 or high. Western Algonquin Park - Lake of Two Rivers. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. High 28. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 15. Monday..Cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. Clearing late in the afternoon. High 19. UV index 5 or moderate. Deep River - Whitney - Eastern Algonquin Park. Today..A mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. High 28. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 15. Monday..Cloudy. 40 percent chance of showers in the morning with risk of a thunderstorm. Clearing late in the afternoon. High 19. UV index 5 or moderate. Bayfield Inlet - Dunchurch. Today..Mainly cloudy with 30 percent chance of showers. High 28. Humidex 33. UV index 7 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 16. Monday..Cloudy. 40 percent chance of showers early in the morning. Clearing late in the afternoon. High 25. Humidex 27. UV index 7 or high. South River - Burk's Falls. Today..Mainly cloudy with 30 percent chance of showers. High 28. Humidex 33. UV index 7 or high. Tonight..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 16. Monday..Cloudy. 40 percent chance of showers early in the morning. Clearing late in the afternoon. High 25. Humidex 27. UV index 7 or high. End $$$$^^ --- up 1 week, 3 days, 13 hours, 18 minutes * Origin: Northern Realms (1:229/664) .