Subj : Southern Ontario Weather To : All From : Northern Realms Date : Tue May 21 2024 05:05:00 FPCN11 CWTO 210900 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 5:00 a.m. EDT Tuesday 21 May 2024 for today and Wednesday. The next scheduled forecast will be issued at 11:00 a.m. EDT. City of Toronto. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 20 km/h late this afternoon. High 27. Humidex 35. 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 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 30. UV index 9 or very high. Windsor - Leamington - Essex County. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. Wind becoming southeast 30 km/h early this afternoon. High 31. Humidex 37. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and before morning. Risk of a thunderstorm. Wind southeast 20 km/h gusting to 40. Low 21. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 29. Humidex 37. UV index 9 or very high. Chatham-Kent - Rondeau Park. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h late this afternoon. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and before morning. Risk of a thunderstorm. Wind south 20 km/h. Low 21. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 27. Humidex 32. UV index 9 or very high. Sarnia - Petrolia - Western Lambton County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. Wind south 30 km/h becoming light this morning. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and before morning. Risk of a thunderstorm. Wind becoming southeast 20 km/h this evening. Low 22. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming southwest 20 gusting to 40 in the morning. High 27. Humidex 32. UV index 9 or very high. Watford - Pinery Park - Eastern Lambton County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this morning. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and before morning. Risk of a thunderstorm. Low 23. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 26. Humidex 34. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..A mix of sun and cloud. 30 percent chance of showers early this morning and late this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h this morning. High 29. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind becoming south 30 km/h this evening. Low 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 26. Humidex 31. UV index 8 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..A mix of sun and cloud. 30 percent chance of showers early this morning and late this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h this morning. High 29. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 26. Humidex 31. UV index 8 or very high. Strathroy - Komoka - Western Middlesex County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind becoming south 20 km/h before morning. Low 21. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 28. Humidex 32. UV index 8 or very high. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h this morning. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 21. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 27. Humidex 32. UV index 8 or very high. Simcoe - Delhi - Norfolk. Today..A mix of sun and cloud. 30 percent chance of showers early this morning and late this afternoon. Risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this morning. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers late in the morning and in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 26. Humidex 31. UV index 8 or very high. Dunnville - Caledonia - Haldimand. Today..Clearing this morning. Wind becoming southwest 20 km/h gusting to 40 near noon. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Wind southwest 20 km/h becoming light early this evening. Low 19. Wednesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind south 20 km/h gusting to 40. High 27. Humidex 32. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning. 30 percent chance of showers this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 this morning. High 29. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Low 21. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 27. Humidex 31. UV index 8 or very high. Brantford - County of Brant. Today..A mix of sun and cloud. 30 percent chance of showers early this morning and late this afternoon. Risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 this morning. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 21. Wednesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers late in the morning and in the afternoon. Risk of a thunderstorm late in the morning and in the afternoon. Wind southwest 30 km/h gusting to 50. High 27. Humidex 34. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..Mainly cloudy. Clearing late this morning. Wind becoming southwest 30 km/h gusting to 50 this morning. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Wind southwest 20 km/h becoming light this evening. Low 20. Wednesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 28. Humidex 34. UV index 9 or very high. St. Catharines - Grimsby - Northern Niagara Region. Today..Mainly cloudy. Clearing late this morning. Wind becoming southwest 30 km/h gusting to 50 late this morning. High 26. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 20. Wednesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 28. Humidex 33. UV index 9 or very high. City of Hamilton. Today..A mix of sun and cloud with 30 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 late this morning. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 20. Wednesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 33. UV index 9 or very high. Burlington - Oakville. Today..A mix of sun and cloud with 30 percent chance of showers and risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 18. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 late in the morning. High 26. Humidex 31. UV index 9 or very high. Halton Hills - Milton. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind becoming west 20 km/h this afternoon. High 28. Humidex 34. 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 early this evening. Low 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming south 30 km/h gusting to 50 in the morning. High 27. Humidex 32. UV index 9 or very high. Mississauga - Brampton. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 20 km/h late this afternoon. High 28. Humidex 34. 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 20. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 32. UV index 9 or very high. Caledon. Today..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming west 20 km/h early this afternoon. High 27. Humidex 33. UV index 6 or high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 20. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 32. UV index 7 or high. Vaughan - Richmond Hill - Markham. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 28. Humidex 36. UV index 7 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 32. UV index 8 or very high. Newmarket - Georgina - Northern York Region. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 27. Humidex 35. UV index 6 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 24. Humidex 29. UV index 8 or very high. Pickering - Oshawa - Southern Durham Region. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 28. Humidex 34. UV index 7 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 17. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 26. Humidex 31. UV index 9 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h becoming light this afternoon. High 28. Humidex 34. UV index 6 or high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 17. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 24. Humidex 29. UV index 8 or very high. Goderich - Bluewater - Southern Huron County. Today..Mainly cloudy. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. High 28. Humidex 33. UV index 6 or high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind becoming southeast 20 km/h late this evening. Low 21. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to 40. High 28. Humidex 33. UV index 9 or very high. Wingham - Blyth - Northern Huron County. Today..Cloudy. 60 percent chance of showers this morning. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm this morning. High 26. Humidex 31. UV index 6 or high. Tonight..Clear. Low 21. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 27. Humidex 32. UV index 7 or high. Stratford - Mitchell - Southern Perth County. Today..Mainly cloudy. 40 percent chance of showers early this morning and this afternoon. Risk of a thunderstorm. Wind becoming southwest 20 km/h this morning. High 29. Humidex 34. UV index 7 or high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 21. Wednesday..Increasing cloudiness early in the morning. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 28. Humidex 33. UV index 8 or very high. Listowel - Milverton - Northern Perth County. Today..Cloudy. 60 percent chance of showers this morning. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm this morning. Wind southwest 20 km/h becoming light early this afternoon. High 26. Humidex 31. UV index 6 or high. Tonight..Clear. Low 21. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 27. Humidex 32. UV index 6 or high. Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy. 40 percent chance of showers early this morning. 30 percent chance of showers this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 this morning. High 28. Humidex 34. UV index 7 or high. Tonight..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind west 20 km/h becoming light this evening. Low 19. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 34. UV index 8 or very high. Guelph - Erin - Southern Wellington County. Today..Mainly cloudy. 40 percent chance of showers early this morning. 30 percent chance of showers this afternoon. Risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 late this morning. High 28. Humidex 34. UV index 7 or high. Tonight..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind west 20 km/h becoming light this evening. Low 19. Wednesday..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 34. UV index 8 or very high. Mount Forest - Arthur - Northern Wellington County. Today..Cloudy. 60 percent chance of showers this morning with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this afternoon. High 26. Humidex 32. UV index 6 or high. Tonight..Clear. Low 19. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 25. Humidex 32. UV index 6 or high. Orangeville - Grand Valley - Southern Dufferin County. Today..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 early this afternoon then light this afternoon. High 26. Humidex 30. UV index 6 or high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 21. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 26. Humidex 31. UV index 7 or high. Shelburne - Mansfield - Northern Dufferin County. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 late this morning then light this afternoon. High 26. Humidex 30. UV index 6 or high. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 21. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 26. Humidex 31. UV index 6 or high. Innisfil - New Tecumseth - Angus. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 27. Humidex 32. UV index 5 or moderate. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 13. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 27. Humidex 32. UV index 7 or high. Saugeen Shores - Kincardine - Southern Bruce County. Today..Cloudy. 60 percent chance of showers early this morning with risk of a thunderstorm. High 22. Humidex 26. UV index 6 or high. Tonight..Clearing this evening. Wind becoming southeast 20 km/h after midnight. Low 19. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming west 20 gusting to 40 in the afternoon. High 26. Humidex 30. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..A few showers ending near noon then cloudy. Risk of a thunderstorm this morning. High 20. UV index 5 or moderate. Tonight..Partly cloudy. Wind becoming south 20 km/h before morning. Low 13. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. Humidex 32. UV index 6 or high. Hanover - Dundalk - Southern Grey County. Today..Cloudy. 60 percent chance of showers this morning and early this afternoon with risk of a thunderstorm. High 24. Humidex 29. UV index 6 or high. Tonight..Clearing this evening. Low 19. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 26. Humidex 31. UV index 6 or high. Owen Sound - Blue Mountains - Northern Grey County. Today..Cloudy. 60 percent chance of showers this morning and early this afternoon with risk of a thunderstorm. High 22. UV index 5 or moderate. Tonight..Mainly cloudy. Wind becoming southeast 20 km/h overnight. Low 15. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 24. UV index 8 or very high. Barrie - Collingwood - Hillsdale. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h becoming light near noon. High 25. Humidex 31. UV index 5 or moderate. Tonight..Partly cloudy. Clearing near midnight. Low 14. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 26. Humidex 30. UV index 7 or high. Midland - Coldwater - Orr Lake. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming southeast 20 km/h this morning. High 25. Humidex 30. UV index 5 or moderate. Tonight..Mainly cloudy. Clearing after midnight. Wind becoming south 30 km/h before morning. Low 16. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 60. High 25. Humidex 30. UV index 6 or high. Orillia - Lagoon City - Washago. Today..Cloudy with 60 percent chance of showers and risk of a thunderstorm. High 25. Humidex 30. UV index 5 or moderate. Tonight..Clearing late this evening. Low 16. Wednesday..Sunny. Increasing cloudiness in the morning then 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming south 30 km/h in the morning. High 25. Humidex 30. UV index 8 or very high. Cobourg - Colborne - Western Northumberland County. Today..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 near noon. High 26. Humidex 32. UV index 9 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 near noon. High 27. Humidex 33. UV index 9 or very high. Picton - Sandbanks Park. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 26. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h near noon. High 24. Humidex 30. UV index 9 or very high. Napanee - Consecon. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 near noon. High 26. Humidex 32. UV index 9 or very high. Kingston - Odessa - Frontenac Islands. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 26. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 25. Humidex 31. UV index 9 or very high. Lindsay - Southern Kawartha Lakes. Today..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind southeast 20 km/h becoming southwest 20 near noon. High 28. Humidex 34. UV index 6 or high. Tonight..Clearing late this evening. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning. High 26. Humidex 31. UV index 9 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..A few showers ending near noon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind becoming southwest 30 km/h this morning then light late this afternoon. High 28. Humidex 34. UV index 6 or high. Tonight..Clearing late this evening. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 26. Humidex 31. UV index 8 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h late this morning. High 28. Humidex 34. UV index 7 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 26. Humidex 31. UV index 8 or very high. Apsley - Woodview - Northern Peterborough County. Today..A few showers ending near noon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southeast 20 km/h becoming southwest 20 this afternoon. High 28. Humidex 34. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 13. Wednesday..Sunny in the morning then a mix of sun and cloud with 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southeast 20 km/h then southwest 30 gusting to 50 late in the morning. High 26. Humidex 31. UV index 8 or very high. Stirling - Tweed - Madoc. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 28. Humidex 33. UV index 8 or very high. Tonight..Cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southeast 20 km/h then southwest 30 gusting to 50 near noon. High 28. Humidex 33. UV index 9 or very high. Tamworth - Sydenham - South Frontenac. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 28. Humidex 33. UV index 9 or very high. Kaladar - Bannockburn - Bon Echo Park. Today..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 28. Humidex 33. UV index 7 or high. Tonight..Mainly cloudy with 40 percent chance of showers this evening and risk of a thunderstorm. Clearing late this evening. Fog patches developing after midnight. Wind southwest 20 km/h becoming light early this evening. Low 12. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 60 in the morning. High 28. Humidex 33. UV index 8 or very high. Bancroft - Hastings Highlands - Denbigh. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. Wind becoming south 20 km/h this morning. High 28. Humidex 33. UV index 3 or moderate. Tonight..Showers ending early this evening then partly cloudy. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 12. Wednesday..Sunny in the morning then a mix of sun and cloud with 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning. High 27. Humidex 32. UV index 8 or very high. Gananoque - Mallorytown. Today..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Wind southwest 20 km/h becoming light early this evening. Low 17. Wednesday..Sunny in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 29. Humidex 35. UV index 9 or very high. Brockville - Prescott. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 9 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Clearing overnight. Fog patches developing after midnight. Low 17. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 29. Humidex 34. UV index 9 or very high. Westport - Charleston Lake. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind northwest 20 km/h becoming south 20 this morning. High 28. Humidex 33. UV index 7 or high. Tonight..Partly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Wind south 20 km/h becoming light this evening. Low 17. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning. High 29. Humidex 34. UV index 9 or very high. Merrickville-Wolford - Kemptville. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this morning. High 28. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 17. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 late in the morning. High 29. Humidex 34. UV index 8 or very high. Ottawa North - Kanata - Orl‚ans. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 27. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 late in the morning. High 29. Humidex 34. UV index 8 or very high. Ottawa South - Richmond - Metcalfe. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 27. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 late in the morning. High 29. Humidex 34. UV index 8 or very high. Gatineau. Today..Increasing cloudiness early this morning. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. High 25. Humidex 31. UV index 8 or very high. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..Becoming a mix of sun and cloud in the morning with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 20 km/h late in the afternoon. High 29. Humidex 34. UV index 8 or very high. Prescott and Russell. Today..Increasing cloudiness early this morning. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind becoming south 20 km/h this morning. High 26. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 20 km/h gusting to 40 late in the morning. High 29. Humidex 35. UV index 8 or very high. Morrisburg - Long Sault. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 60 becoming light early this morning. Wind becoming southwest 20 near noon. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h gusting to 40 near noon. High 29. Humidex 33. UV index 9 or very high. Cornwall - Lancaster. Today..Increasing cloudiness early this morning. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind west 30 km/h becoming light this morning. Wind becoming west 20 this afternoon. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h in the afternoon. High 29. Humidex 33. UV index 9 or very high. Winchester - Newington. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this morning. High 27. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 late in the morning. High 29. Humidex 33. UV index 8 or very high. Maxville - Alexandria. Today..Increasing cloudiness early this morning. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind becoming south 20 km/h near noon. High 27. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 15. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 near noon. High 29. Humidex 33. UV index 8 or very high. Plevna - Sharbot Lake - Western Lanark County. Today..Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind northwest 20 km/h becoming south 20 this morning. High 27. Humidex 31. UV index 7 or high. Tonight..Cloudy with 40 percent chance of showers this evening and risk of a thunderstorm. Clearing late this evening. Fog patches developing after midnight. Low 14. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 70 in the morning. High 29. Humidex 34. UV index 8 or very high. Smiths Falls - Perth - Eastern Lanark County. Today..Mainly cloudy. 60 percent chance of showers late this morning and this afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 50 becoming light early this morning. Wind becoming south 20 late this morning. High 27. Humidex 31. UV index 7 or high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Wind southwest 20 km/h becoming light this evening. Low 14. Wednesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 29. Humidex 34. UV index 8 or very high. Port Carling - Port Severn. Today..A few showers ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Amount 10 to 15 mm. Wind becoming southeast 20 km/h this morning. High 24. Humidex 29. UV index 5 or moderate. Tonight..Partly cloudy. Fog patches developing after midnight. Low 13. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 20 km/h gusting to 40 in the morning then northwest 30 late in the afternoon. High 27. Humidex 32. UV index 7 or high. Bracebridge - Gravenhurst. Today..A few showers ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Amount 10 to 15 mm. Wind southeast 20 km/h becoming southwest 20 near noon. High 24. Humidex 29. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 13. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind south 20 km/h gusting to 40 becoming west 20 late in the afternoon. High 27. Humidex 32. UV index 7 or high. Town of Parry Sound - Rosseau - Killbear Park. Today..A few showers ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Amount 10 to 15 mm. High 23. Humidex 28. UV index 5 or moderate. Tonight..Mainly cloudy. Fog patches developing after midnight. Wind becoming southeast 30 km/h before morning. Low 13. Wednesday..Increasing cloudiness early in the morning. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind southeast 20 km/h gusting to 40 becoming west 30 late in the afternoon. High 27. Humidex 32. UV index 6 or high. Huntsville - Baysville. Today..A few showers ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Amount 10 to 15 mm. High 23. Humidex 28. UV index 5 or moderate. Tonight..Partly cloudy. Fog patches developing after midnight. Low 13. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 20 km/h gusting to 40 in the morning. High 27. Humidex 32. UV index 6 or high. Haliburton - Minden - Southern Haliburton County. Today..A few showers ending near noon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. High 22. Humidex 29. UV index 6 or high. Tonight..Partly cloudy. Fog patches developing after midnight. Low 12. Wednesday..Sunny. Increasing cloudiness in the morning then 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning. High 25. Humidex 30. UV index 8 or very high. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. High 22. Humidex 29. UV index 3 or moderate. Tonight..Showers ending early this evening then partly cloudy. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 12. Wednesday..Sunny. Increasing cloudiness in the morning then 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind south 30 km/h gusting to 50 becoming light near noon. Wind becoming south 30 gusting to 50 in the afternoon. High 25. Humidex 30. UV index 8 or very high. Barry's Bay - Killaloe. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. High 22. Humidex 28. UV index 3 or moderate. Tonight..Showers ending early this evening then partly cloudy. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 13. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming southwest 40 km/h gusting to 70 in the morning then south 20 in the afternoon. High 28. Humidex 32. UV index 8 or very high. Renfrew - Arnprior - Calabogie. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. Wind west 20 km/h gusting to 40 becoming northeast 20 early this morning then becoming southwest 20 this morning. High 22. Humidex 28. UV index 3 or moderate. Tonight..Showers ending early this evening then partly cloudy. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 13. Wednesday..A mix of sun and cloud. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 70 in the morning then light late in the afternoon. High 28. Humidex 32. UV index 8 or very high. Petawawa - Pembroke - Cobden. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. Wind southwest 20 km/h becoming light early this morning. High 21. Humidex 26. UV index 3 or moderate. Tonight..Showers ending early this evening then mainly cloudy. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 16. Wednesday..Becoming a mix of sun and cloud in the morning. 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming east 20 km/h then south 30 in the afternoon. High 28. Humidex 36. UV index 8 or very high. Western Algonquin Park - Lake of Two Rivers. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. High 22. Humidex 28. UV index 3 or moderate. Tonight..Partly cloudy. 30 percent chance of showers this evening. Fog patches developing after midnight. Low 10. Wednesday..Sunny. Increasing cloudiness in the morning then 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning then light late in the afternoon. High 26. Humidex 31. UV index 8 or very high. Deep River - Whitney - Eastern Algonquin Park. Today..Showers with risk of a thunderstorm. Amount 10 to 20 mm. High 22. Humidex 28. UV index 3 or moderate. Tonight..Partly cloudy. 30 percent chance of showers this evening. Fog patches developing after midnight. Low 10. Wednesday..Sunny. Increasing cloudiness late in the morning then 60 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. Wind becoming south 30 km/h gusting to 50 in the morning. High 26. Humidex 31. UV index 8 or very high. Bayfield Inlet - Dunchurch. Today..A few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning and early this afternoon. Amount 10 to 15 mm. High 22. Humidex 27. UV index 3 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers early this evening. Fog patches developing after midnight. Low 14. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind south 30 km/h gusting to 50 becoming light in the afternoon. High 26. Humidex 31. UV index 6 or high. South River - Burk's Falls. Today..A few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning and early this afternoon. Amount 10 to 15 mm. High 21. Humidex 26. UV index 3 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers early this evening. Fog patches developing after midnight. Low 14. Wednesday..Increasing cloudiness. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind south 30 km/h gusting to 50 becoming light in the afternoon. High 26. Humidex 31. UV index 6 or high. End $$$$^^ --- up 1 week, 12 hours, 55 minutes * Origin: Northern Realms (1:229/664) .