Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Mon Jul 20 2026 15:35:02 FPCN11 CWTO 201930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Monday 20 July 2026 for tonight Tuesday and Tuesday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday. City of Toronto. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming south 20 km/h late this evening. Low 20. Tuesday..Mainly cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 25. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Wind west 30 km/h. Low 15. Windsor - Leamington - Essex County. Tonight..Partly cloudy. A few showers beginning after midnight. Risk of a thunderstorm overnight. Wind becoming southwest 40 km/h gusting to 60 this evening. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind becoming west 30 km/h gusting to 50 in the morning. High 28. Humidex 37. UV index 7 or high. Tuesday night..Partly cloudy. 70 percent chance of showers early in the evening. Wind west 30 km/h becoming light near midnight. Low 15. Chatham-Kent - Rondeau Park. Tonight..Partly cloudy. A few showers beginning after midnight. Risk of a thunderstorm overnight. Wind southwest 30 km/h. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning then becoming north 30 in the afternoon. High 27. Humidex 35. UV index 7 or high. Tuesday night..Partly cloudy. 70 percent chance of showers early in the evening. Wind west 30 km/h becoming light near midnight. Low 13. Sarnia - Petrolia - Western Lambton County. Tonight..Increasing cloudiness. A few showers beginning after midnight. Risk of a thunderstorm overnight. Wind south 20 km/h. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming northwest 30 gusting to 50 early in the afternoon. High 26. Humidex 34. UV index 7 or high. Tuesday night..Partly cloudy. 70 percent chance of showers early in the evening. Wind northwest 30 km/h. Low 14. Watford - Pinery Park - Eastern Lambton County. Tonight..Clear early this evening then partly cloudy with a few showers beginning after midnight. Risk of a thunderstorm overnight. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 25. Humidex 33. UV index 6 or high. Tuesday night..Partly cloudy. 70 percent chance of showers early in the evening. Wind northwest 30 km/h. Low 14. Rodney - Shedden - Western Elgin County. Tonight..Partly cloudy. A few showers beginning before morning. Risk of a thunderstorm before morning. Wind south 30 km/h. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. High 24. Humidex 32. UV index 6 or high. Tuesday night..Cloudy. 70 percent chance of showers early in the evening. Becoming partly cloudy near midnight. Wind northwest 30 km/h. Low 15. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Partly cloudy. A few showers beginning before morning. Risk of a thunderstorm before morning. Wind south 20 km/h. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming west 50 gusting to 70 in the afternoon then light later in the afternoon. High 24. Humidex 32. UV index 6 or high. Tuesday night..Cloudy. 70 percent chance of showers early in the evening. Becoming partly cloudy near midnight. Wind northwest 30 km/h. Low 15. Strathroy - Komoka - Western Middlesex County. Tonight..Partly cloudy. A few showers beginning before morning. Risk of a thunderstorm before morning. Wind southwest 20 km/h. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming northwest 20 gusting to 40 in the afternoon. High 23. Humidex 31. UV index 5 or moderate. Tuesday night..Cloudy. 70 percent chance of showers early in the evening. Becoming partly cloudy after midnight. Wind northwest 30 km/h. Low 14. London - Parkhill - Eastern Middlesex County. Tonight..Partly cloudy. A few showers beginning before morning. Risk of a thunderstorm before morning. Wind south 20 km/h becoming light this evening. Wind becoming south 20 gusting to 40 before morning. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming northwest 20 in the afternoon. High 23. Humidex 31. UV index 5 or moderate. Tuesday night..Cloudy. 70 percent chance of showers early in the evening. Becoming partly cloudy after midnight. Wind northwest 30 km/h. Low 14. Simcoe - Delhi - Norfolk. Tonight..Clear. Becoming partly cloudy this evening. Low 18. Tuesday..Showers with risk of a thunderstorm. Wind southwest 40 km/h gusting to 60 becoming light late in the afternoon. High 25. Humidex 33. UV index 5 or moderate. Tuesday night..Showers ending near midnight then partly cloudy. 30 percent chance of showers before morning. Low 14. Dunnville - Caledonia - Haldimand. Tonight..Clear. Becoming partly cloudy this evening. Wind southwest 20 km/h becoming light early this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60 becoming light late in the afternoon. High 23. Humidex 31. UV index 5 or moderate. Tuesday night..Showers ending near midnight then partly cloudy. 30 percent chance of showers before morning. Wind becoming northwest 30 km/h near midnight. Low 14. Woodstock - Tillsonburg - Oxford County. Tonight..Partly cloudy. 30 percent chance of showers before morning. Wind southwest 20 km/h becoming light this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. High 25. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 30 km/h. Low 13. Brantford - County of Brant. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers before morning. Wind southwest 20 km/h becoming light this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind becoming south 20 km/h gusting to 50 in the morning then southwest 40 gusting to 60 in the afternoon. High 25. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 30 km/h. Low 13. Niagara Falls - Welland - Southern Niagara Region. Tonight..Clear. Becoming partly cloudy this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 70 increasing to 40 gusting to 70 in the morning. High 25. Humidex 33. UV index 5 or moderate. Tuesday night..Showers ending near midnight then partly cloudy. 30 percent chance of showers before morning. Wind southwest 30 km/h. Low 16. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Clear. Becoming partly cloudy this evening. Wind southwest 20 km/h becoming light this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 70 increasing to 40 gusting to 60 in the morning. High 25. Humidex 33. UV index 5 or moderate. Tuesday night..Showers ending near midnight then partly cloudy. 30 percent chance of showers before morning. Wind southwest 30 km/h. Low 16. City of Hamilton. Tonight..Clear. Becoming partly cloudy this evening. Wind south 20 km/h becoming light this evening. Low 18. Tuesday..Showers with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 60 in the morning. High 24. Humidex 32. UV index 5 or moderate. Tuesday night..Showers ending near midnight then partly cloudy. 30 percent chance of showers before morning. Wind west 30 km/h. Low 14. Burlington - Oakville. Tonight..Clear. Becoming partly cloudy this evening. Wind south 20 km/h. Low 20. Tuesday..Mainly cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind south 20 km/h gusting to 60 becoming southwest 40 gusting to 60 in the morning then light late in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h in the evening then light after midnight. Low 16. Halton Hills - Milton. Tonight..Clear. Becoming partly cloudy this evening. Wind southwest 20 km/h becoming light early this evening. Low 18. Tuesday..Cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h in the evening then light after midnight. Low 13. Mississauga - Brampton. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming southwest 20 km/h this evening. Low 18. Tuesday..Mainly cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind south 30 km/h gusting to 60 becoming west 20 in the afternoon then light late in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Wind west 30 km/h. Low 13. Caledon. Tonight..Clear. Becoming partly cloudy this evening. Wind south 20 km/h. Low 18. Tuesday..Cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light near noon. Wind becoming west 20 late in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Low 13. Vaughan - Richmond Hill - Markham. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming south 30 km/h this evening. Low 18. Tuesday..Mainly cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h near midnight. Low 14. Newmarket - Georgina - Northern York Region. Tonight..Clear. Becoming partly cloudy this evening. Wind south 20 km/h becoming light early this evening. Low 18. Tuesday..Cloudy. A few showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. Wind becoming west 20 late in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..A few showers ending after midnight then mainly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h after midnight. Low 14. Pickering - Oshawa - Southern Durham Region. Tonight..Clear. Becoming partly cloudy this evening. Low 17. Tuesday..Mainly cloudy. A few showers beginning early in the morning. Risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 24. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending near midnight then clearing. Risk of a thunderstorm early in the evening. Wind south 20 km/h becoming northwest 20 near midnight. Low 14. Uxbridge - Beaverton - Northern Durham Region. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming south 20 km/h late this evening. Low 17. Tuesday..Cloudy. A few showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south 30 km/h gusting to 50. High 22. Humidex 30. UV index 3 or moderate. Tuesday night..A few showers ending after midnight then clearing. Risk of a thunderstorm early in the evening. Wind becoming northwest 20 km/h near midnight. Low 14. Goderich - Bluewater - Southern Huron County. Tonight..Partly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Wind becoming south 40 km/h gusting to 60 this evening. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind south 30 km/h gusting to 50 becoming west 20 early in the afternoon then light in the afternoon. High 23. Humidex 31. UV index 4 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 40 km/h gusting to 60 diminishing to 20 after midnight. Low 14. Wingham - Blyth - Northern Huron County. Tonight..Partly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Wind becoming south 30 km/h gusting to 50 early this evening. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming northwest 30 gusting to 50 early in the afternoon. High 24. Humidex 32. UV index 4 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 40 km/h gusting to 60 diminishing to 20 after midnight. Low 13. Stratford - Mitchell - Southern Perth County. Tonight..Partly cloudy. 60 percent chance of showers overnight with risk of a thunderstorm. Wind southwest 20 km/h becoming light late this evening. Wind becoming south 30 gusting to 50 before morning. Low 19. Tuesday..Showers with risk of a thunderstorm. Wind west 30 km/h gusting to 50 becoming light in the afternoon. High 24. Humidex 32. UV index 4 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 40 km/h gusting to 60 diminishing to 20 after midnight. Low 13. Listowel - Milverton - Northern Perth County. Tonight..Clear early this evening then partly cloudy with 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Wind south 20 km/h gusting to 40 becoming light late this evening. Wind becoming southwest 30 gusting to 50 overnight. Low 20. Tuesday..Showers with risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming west 20 gusting to 40 in the afternoon. High 24. Humidex 31. UV index 4 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 30 km/h. Low 12. Kitchener - Cambridge - Region of Waterloo. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers before morning. Wind south 20 km/h becoming light near midnight. Low 17. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 20 km/h. Low 12. Guelph - Erin - Southern Wellington County. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers before morning. Wind southwest 20 km/h becoming light late this evening. Low 17. Tuesday..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light near noon. Wind becoming west 20 in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Wind northwest 30 km/h. Low 12. Mount Forest - Arthur - Northern Wellington County. Tonight..Clear early this evening then partly cloudy with 30 percent chance of showers before morning. Wind south 20 km/h becoming light late this evening. Wind becoming south 20 gusting to 40 before morning. Low 17. Tuesday..Showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light early in the afternoon. Wind becoming northwest 20 late in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Low 12. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Clear early this evening then partly cloudy with a few showers beginning before morning. Risk of a thunderstorm before morning. Wind becoming southwest 20 km/h near midnight. Low 17. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 60 becoming light early in the afternoon. Wind becoming west 20 gusting to 40 late in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 20 km/h before morning. Low 12. Shelburne - Mansfield - Northern Dufferin County. Tonight..Clear early this evening then partly cloudy with a few showers beginning before morning. Risk of a thunderstorm before morning. Wind southwest 20 km/h becoming light early this evening. Wind becoming southwest 30 gusting to 50 late this evening. Low 17. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50 becoming light early in the afternoon. Wind becoming west 20 late in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 20 km/h before morning. Low 12. Innisfil - New Tecumseth - Angus. Tonight..Clear early this evening then partly cloudy with a few showers beginning before morning. Risk of a thunderstorm before morning. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. Wind becoming west 20 late in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then partly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 20 km/h in the evening. Low 14. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..A few clouds. Increasing cloudiness near midnight then showers. Risk of a thunderstorm overnight. Wind southwest 20 km/h increasing to 40 gusting to 60 after midnight. Low 20. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 20 km/h gusting to 40 becoming light late in the morning. Wind becoming northwest 20 gusting to 40 late in the afternoon. High 23. Humidex 31. UV index 3 or moderate. Tuesday night..Showers ending in the evening then partly cloudy. 30 percent chance of showers overnight. Wind west 20 km/h becoming northwest 50 gusting to 70 in the evening then diminishing to 30. Low 15. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Partly cloudy. Becoming cloudy after midnight with showers. Risk of a thunderstorm overnight. Wind south 30 km/h gusting to 50. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 20 km/h gusting to 40 becoming west 40 gusting to 60 in the afternoon. High 22. Humidex 29. UV index 3 or moderate. Tuesday night..Showers ending in the evening then partly cloudy. 30 percent chance of showers overnight. Wind northwest 20 km/h becoming light near midnight. Low 14. Hanover - Dundalk - Southern Grey County. Tonight..A few clouds. Increasing cloudiness after midnight then showers. Risk of a thunderstorm overnight. Wind southwest 20 km/h becoming light late this evening. Wind becoming south 20 gusting to 40 after midnight. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50 becoming light early in the afternoon. Wind becoming northwest 20 gusting to 40 in the afternoon. High 22. Humidex 30. UV index 3 or moderate. Tuesday night..Showers ending in the evening then partly cloudy. 30 percent chance of showers overnight. Wind west 20 km/h becoming light after midnight. Low 11. Owen Sound - Blue Mountains - Northern Grey County. Tonight..A few clouds. Increasing cloudiness after midnight then showers. Risk of a thunderstorm overnight. Wind southwest 30 km/h. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 20 km/h gusting to 40 becoming northwest 30 gusting to 50 late in the afternoon. High 24. Humidex 32. UV index 3 or moderate. Tuesday night..Showers ending in the evening then partly cloudy. 30 percent chance of showers overnight. Wind west 20 km/h becoming light after midnight. Low 11. Barrie - Collingwood - Hillsdale. Tonight..Clear early this evening then partly cloudy with a few showers beginning before morning. Risk of a thunderstorm before morning. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 20 km/h gusting to 40 becoming light near noon. Wind becoming west 20 late in the afternoon. High 23. Humidex 29. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h near midnight. Low 12. Midland - Coldwater - Orr Lake. Tonight..A few clouds. Increasing cloudiness overnight then a few showers. Risk of a thunderstorm before morning. Wind becoming south 30 km/h this evening. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 22. Humidex 29. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h in the evening. Low 14. Orillia - Lagoon City - Washago. Tonight..Clear early this evening then partly cloudy with a few showers beginning before morning. Risk of a thunderstorm before morning. Wind becoming south 30 km/h gusting to 50 this evening. Low 18. Tuesday..Showers with risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 40 km/h gusting to 60. High 22. Humidex 29. UV index 3 or moderate. Tuesday night..A few showers ending in the evening then cloudy. Risk of a thunderstorm early in the evening. Wind northwest 30 km/h. Low 14. Cobourg - Colborne - Western Northumberland County. Tonight..Clear. Becoming partly cloudy this evening. Low 18. Tuesday..Increasing cloudiness. Showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south 20 km/h gusting to 50 becoming west 20 gusting to 40 in the afternoon. High 22. Humidex 29. UV index 5 or moderate. Tuesday night..A few showers ending near midnight then cloudy. Risk of a thunderstorm early in the evening. Wind southwest 20 km/h becoming northwest 20 after midnight. Low 15. Belleville - Quinte West - Eastern Northumberland County. Tonight..Clear. Becoming partly cloudy this evening. Low 18. Tuesday..Increasing cloudiness. Showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind south 20 km/h gusting to 50 becoming west 20 gusting to 40 in the afternoon. High 23. Humidex 30. UV index 5 or moderate. Tuesday night..A few showers ending near midnight then cloudy. Risk of a thunderstorm early in the evening. Wind southwest 20 km/h becoming northwest 20 after midnight. Low 15. Picton - Sandbanks Park. Tonight..Clear. Becoming partly cloudy this evening. Low 18. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 20 km/h gusting to 50 becoming west 20 gusting to 40 in the afternoon. High 22. Humidex 29. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Wind southwest 20 km/h becoming northwest 20 after midnight. Low 15. Napanee - Consecon. Tonight..Clear. Becoming partly cloudy this evening. Low 18. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 20 km/h gusting to 50 becoming west 20 gusting to 40 in the afternoon. High 23. Humidex 30. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Wind southwest 20 km/h becoming northwest 20 after midnight. Low 15. Kingston - Odessa - Frontenac Islands. Tonight..Clear. Becoming partly cloudy late this evening. Wind south 20 km/h becoming light this evening. Wind becoming south 30 gusting to 50 near midnight. Low 18. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 50 becoming west 30 gusting to 60 early in the afternoon. High 23. Humidex 30. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Wind becoming west 20 km/h near midnight. Low 15. Lindsay - Southern Kawartha Lakes. Tonight..Clear. Becoming partly cloudy this evening. Low 16. Tuesday..Cloudy. A few showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind southwest 20 km/h gusting to 50 increasing to 40 gusting to 60 late in the afternoon. High 22. Humidex 29. UV index 3 or moderate. Tuesday night..A few showers ending after midnight then mainly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h after midnight. Low 13. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..A few clouds. Wind southwest 20 km/h becoming light early this evening. Wind becoming south 30 late this evening. Low 16. Tuesday..Cloudy. Showers beginning in the morning. Risk of a thunderstorm late in the morning and in the afternoon. Local amount 10 to 15 mm. Wind south 20 km/h gusting to 40 becoming light in the morning. Wind becoming west 30 gusting to 50 late in the morning. High 21. Humidex 29. UV index 3 or moderate. Tuesday night..Showers ending in the evening then cloudy with 60 percent chance of showers. Becoming partly cloudy after midnight. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h after midnight. Low 11. Peterborough City - Lakefield - Southern Peterborough County. Tonight..Clear. Becoming partly cloudy this evening. Low 13. Tuesday..Mainly cloudy. Showers beginning in the morning. Risk of a thunderstorm. Local amount 10 to 15 mm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 22. Humidex 29. UV index 5 or moderate. Tuesday night..A few showers ending near midnight then mainly cloudy. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h after midnight. Low 13. Apsley - Woodview - Northern Peterborough County. Tonight..A few clouds. Wind southwest 20 km/h becoming light this evening. Low 13. Tuesday..Increasing cloudiness. Showers beginning in the morning. Risk of a thunderstorm late in the morning and in the afternoon. Local amount 10 to 15 mm. Wind becoming south 20 km/h gusting to 40 in the morning then light early in the afternoon. High 22. Humidex 29. UV index 3 or moderate. Tuesday night..Showers ending in the evening then cloudy with 60 percent chance of showers. Risk of a thunderstorm early in the evening. Wind becoming northwest 30 km/h after midnight. Low 11. Stirling - Tweed - Madoc. Tonight..Clear. Becoming partly cloudy late this evening. Wind southwest 20 km/h becoming light this evening. Low 16. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind southwest 20 km/h gusting to 40 increasing to 40 gusting to 60 in the afternoon then diminishing to 20. High 22. Humidex 30. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 14. Tamworth - Sydenham - South Frontenac. Tonight..Clear. Becoming partly cloudy near midnight. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 60. High 23. Humidex 31. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Wind south 20 km/h becoming light in the evening. Low 14. Kaladar - Bannockburn - Bon Echo Park. Tonight..Clear. Becoming partly cloudy near midnight. Wind southwest 20 km/h becoming light early this evening. Low 14. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind becoming south 30 km/h gusting to 50 late in the morning. High 22. Humidex 29. UV index 4 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 12. Bancroft - Hastings Highlands - Denbigh. Tonight..A few clouds. Low 14. Tuesday..Becoming cloudy in the morning with showers. Risk of a thunderstorm late in the morning and in the afternoon. Local amount 5 to 10 mm. Wind southwest 20 km/h gusting to 40 becoming light early in the afternoon. Wind becoming south 20 late in the afternoon. High 21. Humidex 29. UV index 3 or moderate. Tuesday night..Showers ending after midnight then cloudy. Local amount 5 to 10 mm. Low 12. Gananoque - Mallorytown. Tonight..Clear. Becoming partly cloudy near midnight. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 60 becoming west 30 gusting to 50 in the afternoon. High 23 with temperature falling to 20 in the afternoon. Humidex 29. UV index 5 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 15. Brockville - Prescott. Tonight..Clear. Becoming partly cloudy after midnight. Wind becoming south 20 km/h before morning. Low 16. Tuesday..A mix of sun and cloud. Becoming cloudy late in the morning with showers. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 60 becoming west 30 in the afternoon then south 20. High 23 with temperature falling to 20 in the afternoon. Humidex 29. UV index 7 or high. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 15. Westport - Charleston Lake. Tonight..Clear. Becoming partly cloudy near midnight. Wind southwest 20 km/h becoming light this evening. Low 16. Tuesday..Increasing cloudiness. A few showers beginning late in the morning. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 50. High 23 with temperature falling to 20 in the afternoon. Humidex 29. UV index 5 or moderate. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 15. Merrickville-Wolford - Kemptville. Tonight..Clear. Becoming partly cloudy after midnight. Wind southwest 20 km/h becoming light this evening. Low 16. Tuesday..A mix of sun and cloud. Becoming cloudy late in the morning with showers. Risk of a thunderstorm in the afternoon. Local amount 5 to 10 mm. Wind south 30 km/h gusting to 50 becoming light near noon. High 23 with temperature falling to 20 in the afternoon. Humidex 29. UV index 7 or high. Tuesday night..Showers. Risk of a thunderstorm in the evening. Local amount 5 to 10 mm. Low 15. Continued in next message... --- up 2 days, 7 minutes * Origin: Northern Realms (618:400/23) .