Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Sun Aug 17 2025 05:05:00 FPCN11 CWTO 170900 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 5:00 a.m. EDT Sunday 17 August 2025 for today and Monday. The next scheduled forecast will be issued at 11:00 a.m. EDT. City of Toronto. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 8 or very high. Windsor - Leamington - Essex County. Today..Cloudy. 30 percent chance of showers this morning. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 8 or very high. Tonight..Partly cloudy. Wind north 20 km/h gusting to 40. Low 16. Monday..A mix of sun and cloud. Clearing early in the afternoon. Wind northeast 20 km/h gusting to 40. High 25. Humidex 27. UV index 9 or very high. Chatham-Kent - Rondeau Park. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 28. Humidex 36. UV index 6 or high. Tonight..Mainly cloudy. Wind north 20 km/h gusting to 40. Low 16. Monday..Sunny. Wind northeast 20 km/h gusting to 40. High 25. Humidex 27. UV index 9 or very high. Sarnia - Petrolia - Western Lambton County. Today..Mainly cloudy. 30 percent chance of showers early this morning. Wind becoming north 30 km/h gusting to 50 near noon. High 27. Humidex 35. UV index 8 or very high. Tonight..Clearing this evening. Wind north 20 km/h gusting to 40. Low 16. Monday..Sunny. Wind northeast 20 km/h. High 25. Humidex 27. UV index 9 or very high. Watford - Pinery Park - Eastern Lambton County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Wind becoming north 30 km/h gusting to 50 near noon. High 27. Humidex 35. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind north 20 km/h gusting to 40. Low 16. Monday..A mix of sun and cloud. Clearing early in the afternoon. Wind northeast 20 km/h. High 25. Humidex 27. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..A few showers ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind north 20 km/h gusting to 40 becoming light near midnight. Low 13. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 24. Humidex 26. UV index 9 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..A few showers ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind north 20 km/h gusting to 40 becoming light near midnight. Low 13. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 24. Humidex 26. UV index 9 or very high. Strathroy - Komoka - Western Middlesex County. Today..Showers ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 26. Humidex 33. UV index 6 or high. Tonight..Partly cloudy. Wind north 20 km/h gusting to 40 becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. London - Parkhill - Eastern Middlesex County. Today..Showers ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 26. Humidex 33. UV index 6 or high. Tonight..Partly cloudy. Wind north 20 km/h gusting to 40 becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Simcoe - Delhi - Norfolk. Today..A few showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming north 20 km/h this afternoon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 16. Monday..Mainly sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. Humidex 25. UV index 9 or very high. Dunnville - Caledonia - Haldimand. Today..A few showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming north 20 km/h this afternoon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 16. Monday..A mix of sun and cloud. Clearing early in the afternoon. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. Humidex 25. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..Showers ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 26. Humidex 33. UV index 6 or high. Tonight..Partly cloudy. Wind north 20 km/h gusting to 40 becoming light near midnight. Low 12. Monday..Mainly sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Brantford - County of Brant. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 26. Humidex 31. UV index 6 or high. Tonight..Mainly cloudy. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..A mix of sun and cloud. Clearing near noon. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..A few showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming north 20 km/h this afternoon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 16. Monday..A mix of sun and cloud. Clearing late in the morning. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. Humidex 25. UV index 9 or very high. St. Catharines - Grimsby - Northern Niagara Region. Today..A few showers ending this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming north 20 km/h this afternoon. High 27. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 16. Monday..A mix of sun and cloud. Clearing late in the morning. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. Humidex 25. UV index 8 or very high. City of Hamilton. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 26. Humidex 31. UV index 6 or high. Tonight..Cloudy. Becoming partly cloudy this evening. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..A mix of sun and cloud. Clearing near noon. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Burlington - Oakville. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Partly cloudy. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Clearing. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 8 or very high. Halton Hills - Milton. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 8 or very high. Mississauga - Brampton. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 8 or very high. Caledon. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Vaughan - Richmond Hill - Markham. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Newmarket - Georgina - Northern York Region. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 30. UV index 5 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Pickering - Oshawa - Southern Durham Region. Today..Showers at times heavy ending early this morning then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 20 mm. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light near midnight. Low 12. Monday..Sunny. Wind becoming east 20 km/h gusting to 40 near noon. High 23. UV index 9 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 30. UV index 5 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Goderich - Bluewater - Southern Huron County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 29. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Wingham - Blyth - Northern Huron County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 29. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Stratford - Mitchell - Southern Perth County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Listowel - Milverton - Northern Perth County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Kitchener - Cambridge - Region of Waterloo. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Guelph - Erin - Southern Wellington County. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Mount Forest - Arthur - Northern Wellington County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Orangeville - Grand Valley - Southern Dufferin County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Shelburne - Mansfield - Northern Dufferin County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 25. Humidex 30. UV index 3 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Innisfil - New Tecumseth - Angus. Today..A few showers ending early this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 23. Humidex 28. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 9 or very high. Saugeen Shores - Kincardine - Southern Bruce County. Today..Mainly cloudy. 30 percent chance of showers early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 22. Humidex 25. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light near midnight. Low 10. Monday..Sunny. High 22. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..Mainly cloudy. 30 percent chance of showers early this morning. Clearing this afternoon. Wind becoming northeast 30 km/h gusting to 50 this morning. High 20. UV index 8 or very high. Tonight..Clear. Wind northeast 30 km/h gusting to 50 becoming light overnight. Low 13. Monday..Mainly sunny. Wind becoming east 20 km/h in the morning. High 21. UV index 8 or very high. Hanover - Dundalk - Southern Grey County. Today..Cloudy. 30 percent chance of showers early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 22. Humidex 25. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light near midnight. Low 10. Monday..Sunny. High 22. UV index 8 or very high. Owen Sound - Blue Mountains - Northern Grey County. Today..Mainly cloudy. 30 percent chance of showers early this morning. Clearing this afternoon. Wind becoming northeast 20 km/h gusting to 40 near noon. High 22. Humidex 25. UV index 7 or high. Tonight..Clear. Wind northeast 20 km/h becoming light near midnight. Low 10. Monday..Sunny. High 22. UV index 8 or very high. Barrie - Collingwood - Hillsdale. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 23. Humidex 28. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Midland - Coldwater - Orr Lake. Today..Showers ending early this morning then mainly cloudy with 30 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 23. Humidex 28. UV index 7 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Orillia - Lagoon City - Washago. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Wind becoming northeast 20 km/h gusting to 40 near noon. High 23. Humidex 28. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Cobourg - Colborne - Western Northumberland County. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Picton - Sandbanks Park. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Napanee - Consecon. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 4 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Kingston - Odessa - Frontenac Islands. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 6 or high. Tonight..Clearing this evening. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Lindsay - Southern Kawartha Lakes. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 30. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 21. UV index 6 or high. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low 6. Monday..Sunny. High 21. UV index 8 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..Showers at times heavy ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming northeast 20 km/h gusting to 40 near noon. High 24. Humidex 30. UV index 5 or moderate. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 10. Monday..Sunny. High 23. UV index 8 or very high. Apsley - Woodview - Northern Peterborough County. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Local amount 10 to 15 mm. Wind becoming north 20 km/h gusting to 40 near noon. High 21. UV index 6 or high. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low 6. Monday..Sunny. High 21. UV index 8 or very high. Stirling - Tweed - Madoc. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Tamworth - Sydenham - South Frontenac. Today..Showers ending this morning then cloudy with 30 percent chance of showers. Risk of a thunderstorm early this morning. Local amount 15 to 25 mm. Wind becoming north 20 km/h gusting to 40 this afternoon. High 25. Humidex 30. UV index 5 or moderate. Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light near midnight. Low 11. Monday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late in the morning. High 23. UV index 8 or very high. Kaladar - Bannockburn - Bon Echo Park. Today..Showers ending early this morning then cloudy with 30 percent chance of showers. Becoming a mix of sun and cloud this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 near noon. High 21. UV index 6 or high. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low 6. Monday..Sunny. High 21. UV index 8 or very high. Bancroft - Hastings Highlands - Denbigh. Today..A few showers ending early this morning then cloudy with 40 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 near noon. High 21. UV index 7 or high. Tonight..Clear. Wind north 20 km/h becoming light this evening. Low plus 4. Monday..Sunny. High 21. UV index 8 or very high. Gananoque - Mallorytown. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 5 or moderate. Tonight..A few clouds. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Brockville - Prescott. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 5 or moderate. Tonight..Partly cloudy. Clearing near midnight. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Westport - Charleston Lake. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clear. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Merrickville-Wolford - Kemptville. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clearing late this evening. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Ottawa North - Kanata - Orleans. Today..Mainly cloudy. A few showers early this morning then 30 percent chance of showers late this morning and early this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing overnight. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 8 or very high. Ottawa South - Richmond - Metcalfe. Today..Mainly cloudy. A few showers early this morning then 30 percent chance of showers late this morning and early this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing overnight. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 8 or very high. Gatineau. Today..Mainly cloudy. A few showers early this morning then 30 percent chance of showers late this morning and early this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clear. Fog patches developing overnight. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 8 or very high. Prescott and Russell. Today..Mainly cloudy. A few showers early this morning then 30 percent chance of showers late this morning and early this afternoon. Risk of a thunderstorm early this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clearing this evening. Fog patches developing overnight. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. Fog patches dissipating in the morning. High 22. UV index 8 or very high. Morrisburg - Long Sault. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 5 or moderate. Tonight..Mainly cloudy. Clearing late this evening. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Cornwall - Lancaster. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 5 or moderate. Tonight..Mainly cloudy. Clearing late this evening. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Winchester - Newington. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 5 or moderate. Tonight..Clearing. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Maxville - Alexandria. Today..Cloudy. A few showers ending this morning then 30 percent chance of showers late this morning and this afternoon. Risk of a thunderstorm this morning. Wind becoming north 20 km/h gusting to 40 early this afternoon. High 22. Humidex 27. UV index 6 or high. Tonight..Clearing late this evening. Wind northeast 20 km/h becoming light this evening. Low 8. Monday..Sunny. High 22. UV index 8 or very high. Continued in next message... --- up 5 days, 21 hours, 46 minutes * Origin: Northern Realms (618:400/23) .