Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Thu Apr 17 2025 15:35:00 FPCN11 CWTO 171930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Thursday 17 April 2025 for tonight Friday and Friday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Friday. City of Toronto. Tonight..Clear. Low plus 5. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 20 km/h gusting to 40 near noon. High 22. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Wind southwest 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 20 before morning. Low 15. Windsor - Leamington - Essex County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of thunderstorms overnight. Wind southwest 40 km/h gusting to 60. Low 7. Friday..Cloudy with 70 percent chance of showers or thunderstorms in the morning and 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind southwest 40 km/h gusting to 60. High 24. Humidex 27. UV index 7 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind south 30 km/h gusting to 50 becoming west 20 gusting to 40 after midnight. Low 14. Chatham-Kent - Rondeau Park. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of thunderstorms overnight. Wind becoming southeast 20 km/h after midnight. Low 7. Friday..Cloudy with 70 percent chance of showers or thunderstorms in the morning and 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind south 30 km/h gusting to 50. High 22. Humidex 25. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind south 30 km/h gusting to 50. Low 14. Sarnia - Petrolia - Western Lambton County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of thunderstorms overnight. Wind south 30 km/h. Low 8. Friday..Cloudy with 70 percent chance of showers or thunderstorms in the morning and 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind southwest 40 km/h gusting to 60. High 23. Humidex 25. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind southwest 40 km/h gusting to 60 becoming light near midnight. Wind becoming west 20 after midnight. Low 10. Watford - Pinery Park - Eastern Lambton County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of thunderstorms overnight. Low 8. Friday..Cloudy with 70 percent chance of showers or thunderstorms in the morning and 30 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 23. Humidex 25. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind southwest 30 km/h gusting to 50 becoming light in the evening. Wind becoming west 30 gusting to 50 near midnight. Low 11. Rodney - Shedden - Western Elgin County. Tonight..Clear. Increasing cloudiness near midnight then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Wind becoming south 20 km/h before morning. Low plus 5 with temperature rising to 10 by morning. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms in the morning and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 21. UV index 7 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h becoming light after midnight. Wind becoming southwest 30 before morning. Low 13. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Clear. Increasing cloudiness near midnight then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low plus 5 with temperature rising to 10 by morning. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms in the morning and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 20 except 12 near Lake Erie. UV index 7 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h becoming light near midnight. Wind becoming southwest 30 after midnight. Low 14. Strathroy - Komoka - Western Middlesex County. Tonight..Clear. Increasing cloudiness near midnight then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Wind south 20 km/h. Low 6. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms in the morning and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind south 20 km/h becoming southwest 40 gusting to 60 in the morning. High 23. Humidex 26. UV index 7 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 near midnight. Low 14. London - Parkhill - Eastern Middlesex County. Tonight..Clear. Increasing cloudiness near midnight then 30 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 6. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms in the morning and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind becoming southwest 40 km/h gusting to 60 in the morning then diminishing to 20 gusting to 40 in the afternoon. High 22. Humidex 25. UV index 7 or high. Friday night..Mainly cloudy with 30 percent chance of showers. Showers beginning before morning. Risk of a thunderstorm in the evening and overnight. Wind southwest 20 km/h gusting to 40 becoming light near midnight. Wind becoming southwest 20 after midnight. Low 15. Simcoe - Delhi - Norfolk. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 3 with temperature rising to 10 by morning. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 40 km/h gusting to 60 in the morning then diminishing to 20 gusting to 40 in the afternoon. High 20 except 12 near Lake Erie. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. Low 15. Dunnville - Caledonia - Haldimand. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 3 with temperature rising to 10 by morning. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 40 km/h gusting to 60 in the morning. High 20 except 12 near Lake Erie. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 20 gusting to 40 near midnight. Low 15. Woodstock - Tillsonburg - Oxford County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm overnight. Wind south 20 km/h becoming light this evening. Low plus 5. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind becoming southwest 40 km/h gusting to 60 in the morning. High 23. Humidex 25. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. Low 16. Brantford - County of Brant. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm overnight. Low plus 3. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers or thunderstorms and then to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 then increasing to 40 gusting to 60 late in the morning. High 23. Humidex 25. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 20 gusting to 40 near midnight. Low 16. Niagara Falls - Welland - Southern Niagara Region. Tonight..Clear. Partly cloudy before morning with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 4. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers late in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 20 except 12 near Lake Erie. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h becoming light in the evening. Wind becoming southwest 20 gusting to 40 after midnight. Low 12. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Clear. Partly cloudy before morning with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 3. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers late in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 40 km/h gusting to 60 in the morning. High 23. Humidex 25. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 40 gusting to 60 near midnight. Low 14. City of Hamilton. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 3 with temperature rising to 10 by morning. Friday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 40 km/h gusting to 60 in the morning. High 23. UV index 6 or high. Friday night..Mainly cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 30 gusting to 50 near midnight. Low 17. Burlington - Oakville. Tonight..Clear. Low plus 3. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 40 km/h gusting to 60 late in the morning. High 23. Humidex 25. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Wind south 20 km/h gusting to 40 becoming light in the evening. Wind becoming southwest 20 gusting to 40 after midnight. Low 15. Halton Hills - Milton. Tonight..Clear. Low plus 3. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 30 km/h gusting to 50 late in the morning. High 22. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Wind south 20 km/h. Low 14. Mississauga - Brampton. Tonight..Clear. Low plus 3. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 20 km/h gusting to 40 in the afternoon. High 22. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Wind south 20 km/h becoming light in the evening. Low 16. Caledon. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Wind becoming south 20 km/h before morning. Low plus 5. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind south 20 km/h becoming southwest 40 gusting to 60 late in the morning then diminishing to 20 gusting to 40. High 19. UV index 5 or moderate. Friday night..Cloudy with 40 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind becoming southwest 20 km/h gusting to 40 in the evening. Low 15. Vaughan - Richmond Hill - Markham. Tonight..Clear. Low zero. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming south 20 km/h in the afternoon. High 20. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Wind southwest 20 km/h becoming light near midnight. Low 14. Newmarket - Georgina - Northern York Region. Tonight..Clear. Becoming partly cloudy before morning. Wind becoming southeast 20 km/h before morning. Low plus 3. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers early in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind southeast 20 km/h gusting to 40 becoming southwest 20 in the afternoon. High 20. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Wind south 20 km/h becoming light near midnight. Low 14. Pickering - Oshawa - Southern Durham Region. Tonight..Clear. Low plus 2. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 20 km/h in the afternoon. High 16. UV index 5 or moderate. Friday night..Mainly cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning overnight. Risk of a thunderstorm in the evening and overnight. Low 13. Uxbridge - Beaverton - Northern Durham Region. Tonight..Clear. Becoming partly cloudy before morning. Wind becoming south 20 km/h before morning. Low plus 3. Friday..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers and then to 30 percent chance of showers early in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind south 20 km/h gusting to 40. High 16. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Wind south 20 km/h gusting to 40 becoming light near midnight. Wind becoming southwest 20 after midnight. Low 12. Goderich - Bluewater - Southern Huron County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind becoming southeast 30 km/h early this evening. Low 6. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers with thunderstorms beginning in the morning changing to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind south 40 km/h gusting to 60. High 23 except 15 near Lake Huron. Humidex 25. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 20 mm. Wind south 30 km/h. Low 9. Wingham - Blyth - Northern Huron County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind south 20 km/h becoming light this evening. Wind becoming south 30 gusting to 50 before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers with thunderstorms beginning in the morning changing to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 23. Humidex 25. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 20 mm. Wind southwest 30 km/h gusting to 50. Low 10. Stratford - Mitchell - Southern Perth County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind becoming south 20 km/h gusting to 40 before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers with thunderstorms beginning in the morning changing to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming southwest 40 gusting to 60 late in the morning. High 21. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 20 mm. Wind southwest 30 km/h gusting to 50. Low 13. Listowel - Milverton - Northern Perth County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind south 20 km/h becoming light this evening. Wind becoming southeast 20 gusting to 40 before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers with thunderstorms beginning in the morning changing to 30 percent chance of showers in the afternoon. Risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 increasing to 40 gusting to 60 late in the morning then diminishing to 20 gusting to 40. High 21. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 20 mm. Wind southwest 20 km/h gusting to 40 becoming light near midnight. Wind becoming west 20 after midnight. Low 13. Kitchener - Cambridge - Region of Waterloo. Tonight..Clear. Increasing cloudiness after midnight. Wind south 20 km/h becoming light this evening. Low plus 2. Friday..A few showers becoming mixed with thunderstorms in the morning and ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind becoming southwest 40 km/h gusting to 60 in the morning. High 20. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind south 20 km/h gusting to 40 becoming light near midnight. Wind becoming southwest 20 after midnight. Low 14. Guelph - Erin - Southern Wellington County. Tonight..Clear. Increasing cloudiness after midnight. Low plus 2. Friday..A few showers becoming mixed with thunderstorms in the morning and ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind becoming southwest 40 km/h gusting to 60 late in the morning then diminishing to 20 gusting to 40. High 20. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind south 20 km/h. Low 14. Mount Forest - Arthur - Northern Wellington County. Tonight..Clear. Increasing cloudiness after midnight. Wind south 20 km/h becoming light this evening. Wind becoming southeast 20 gusting to 40 before morning. Low plus 2. Friday..A few showers becoming mixed with thunderstorms in the morning and ending near noon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind southeast 20 km/h gusting to 40 becoming southwest 30 gusting to 50 in the morning. High 20. UV index 5 or moderate. Friday night..Cloudy with 30 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind southwest 30 km/h gusting to 50. Low 13. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 20. UV index 5 or moderate. Friday night..Cloudy with 40 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind becoming southwest 20 km/h gusting to 40 in the evening. Low 13. Shelburne - Mansfield - Northern Dufferin County. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Wind becoming south 20 km/h gusting to 40 before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind south 20 km/h gusting to 40 becoming southwest 40 gusting to 60 late in the morning. High 20. UV index 5 or moderate. Friday night..Cloudy with 40 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind becoming southwest 30 km/h gusting to 50 in the evening. Low 14. Innisfil - New Tecumseth - Angus. Tonight..Clear. Partly cloudy overnight with 30 percent chance of showers. Risk of a thunderstorm before morning. Wind becoming southeast 20 km/h before morning. Low plus 4. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind southeast 20 km/h becoming southwest 40 gusting to 60 late in the morning then diminishing to 20 gusting to 40. High 19. UV index 4 or moderate. Friday night..Cloudy with 40 percent chance of showers in the evening and after midnight. Showers beginning after midnight. Risk of a thunderstorm in the evening and overnight. Local amount 10 to 15 mm. Wind south 20 km/h becoming light near midnight. Low 15. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind south 20 km/h becoming light this evening. Wind becoming south 30 gusting to 50 late this evening. Low 7. Friday..Showers ending late in the morning then cloudy with 30 percent chance of showers in the afternoon. Showers at times heavy or thunderstorms beginning late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind south 30 km/h gusting to 50. High 17. UV index 5 or moderate. Friday night..Showers at times heavy or thunderstorms. Local amount 10 to 20 mm. Wind south 30 km/h gusting to 50 becoming northwest 20 gusting to 40 after midnight. Low 6. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..Clear. Increasing cloudiness near midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind becoming south 30 km/h gusting to 50 this evening. Low 6. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to showers at times heavy or thunderstorms late in the afternoon. Risk of a thunderstorm in the morning. Wind south 30 km/h gusting to 50. High 13. UV index 4 or moderate. Friday night..Showers at times heavy or thunderstorms. Amount 40 to 50 mm. Wind south 20 km/h becoming light in the evening. Wind becoming west 30 gusting to 50 near midnight. Low plus 3. Hanover - Dundalk - Southern Grey County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind becoming south 20 km/h gusting to 40 before morning. Low plus 5. Friday..Showers ending late in the morning then cloudy with 30 percent chance of showers in the afternoon. Showers at times heavy or thunderstorms beginning late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind south 20 km/h gusting to 40 becoming southwest 40 gusting to 60 late in the morning then diminishing to 20 gusting to 40. High 17. UV index 4 or moderate. Friday night..Showers at times heavy or thunderstorms. Local amount 10 to 20 mm. Wind southwest 30 km/h gusting to 50. Low 13. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Clear. Increasing cloudiness after midnight then 30 percent chance of showers before morning. Risk of a thunderstorm before morning. Wind becoming south 20 km/h late this evening. Low plus 4 with temperature rising to 10 by morning. Friday..Showers ending late in the morning then cloudy with 30 percent chance of showers in the afternoon. Showers at times heavy or thunderstorms beginning late in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind southwest 30 km/h gusting to 50. High 17. UV index 5 or moderate. Friday night..Showers at times heavy or thunderstorms. Local amount 20 to 30 mm. Wind becoming southwest 30 km/h gusting to 50 near midnight. Low 7. Barrie - Collingwood - Hillsdale. Tonight..Clear. Becoming partly cloudy overnight. Low plus 3. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 30 percent chance of showers in the afternoon. Risk of a thunderstorm in the morning and afternoon. Wind becoming south 20 km/h late in the morning. High 15. UV index 4 or moderate. Friday night..Showers or thunderstorms. Local amount 10 to 15 mm. Wind becoming southwest 20 km/h near midnight. Low 11. Midland - Coldwater - Orr Lake. Tonight..Clear. Becoming partly cloudy before morning. Wind becoming south 20 km/h before morning. Low plus 3. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 30 percent chance of showers or thunderstorms in the afternoon. Wind south 20 km/h becoming light in the afternoon. High 10. UV index 4 or moderate. Friday night..Showers at times heavy or thunderstorms. Local amount 20 to 30 mm. Wind becoming west 20 km/h gusting to 40 before morning. Low 6. Orillia - Lagoon City - Washago. Tonight..Clear. Becoming partly cloudy before morning. Wind southeast 20 km/h becoming light late this evening. Low plus 3. Friday..Cloudy. 30 percent chance of showers early in the morning. Showers beginning in the morning changing to 30 percent chance of showers or thunderstorms in the afternoon. Wind southeast 20 km/h. High 11. UV index 5 or moderate. Friday night..Showers at times heavy or thunderstorms. Local amount 20 to 30 mm. Wind southeast 20 km/h becoming light in the evening. Wind becoming southwest 30 near midnight. Low 8. Cobourg - Colborne - Western Northumberland County. Tonight..Clear. Wind southwest 30 km/h becoming light late this evening. Low plus 1. Friday..Increasing cloudiness. 70 percent chance of showers late in the morning and early afternoon then 30 percent chance of showers in the afternoon. Risk of a thunderstorm late in the morning and in the afternoon. High 12. UV index 4 or moderate. Friday night..Showers with risk of a thunderstorm. Wind north 20 km/h becoming southwest 20 after midnight. Low 9. Continued in next message... --- up 2 days, 18 hours, 23 minutes * Origin: Northern Realms (1:229/664) .