Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sat Jul 23 2022 11:05:02 FPCN11 CWTO 231500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Saturday 23 July 2022 for today and Sunday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 33. Humidex 39. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening and overnight. Risk of a thunderstorm. Wind south 20 km/h gusting to 40 becoming light late this evening. Low 21. Sunday..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Wind southwest 30 km/h gusting to 50. High 28. Humidex 37. UV index 8 or very high. City of Hamilton. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 31. Humidex 39. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 40 percent chance of showers overnight. Risk of a thunderstorm. Wind south 20 km/h. Low 20. Sunday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 70 increasing to 40 gusting to 60 late in the morning then becoming west 20 gusting to 40. High 28. Humidex 36. UV index 6 or high. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 33. Humidex 41. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening. 40 percent chance of showers overnight. Risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light this evening. Wind becoming southwest 20 before morning. Low 22. Sunday..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h gusting to 60 becoming southwest 40 gusting to 60 early in the afternoon then diminishing to 20 gusting to 40. High 28. Humidex 36. UV index 6 or high. Kitchener - Cambridge - Region of Waterloo. Today..A mix of sun and cloud with 60 percent chance of showers. Risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 31. Humidex 38. UV index 9 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening. 60 percent chance of showers before morning. Risk of a thunderstorm. Fog patches developing after midnight. Wind south 20 km/h. Low 19. Sunday..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind southwest 30 km/h gusting to 50. High 28. Humidex 34. UV index 6 or high. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud with 60 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h becoming light late this afternoon. High 30. Humidex 37. UV index 9 or very high. Tonight..Clear. Increasing cloudiness after midnight then 40 percent chance of showers overnight. Risk of a thunderstorm overnight. Fog patches developing after midnight. Wind becoming southwest 30 km/h gusting to 50 overnight. Low 20. Sunday..Cloudy. 60 percent chance of showers early in the morning and late in the afternoon. Risk of a thunderstorm. Fog patches dissipating in the morning. Wind southwest 30 km/h gusting to 50 becoming light in the afternoon. High 27. Humidex 36. UV index 6 or high. Windsor - Leamington - Essex County. Today..Mainly cloudy with 60 percent chance of showers or thunderstorms early this afternoon. Clearing this afternoon. Wind southwest 30 km/h. High 31. Humidex 39. UV index 7 or high. Tonight..Clear. Increasing cloudiness near midnight then a few showers with thunderstorms beginning before morning. Wind southwest 30 km/h gusting to 50. Low 21. Sunday..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 20 km/h gusting to 50 becoming west 40 gusting to 60 late in the morning. High 29. Humidex 37. UV index 8 or very high. Ottawa North - Kanata - Orleans. Today..A mix of sun and cloud. 60 percent chance of showers late this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 19. Sunday..Increasing cloudiness. 40 percent chance of showers in the morning. A few showers beginning near noon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 30 km/h gusting to 60 in the morning. High 25. Humidex 34. UV index 6 or high. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud. 60 percent chance of showers late this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 31. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 19. Sunday..Increasing cloudiness. 40 percent chance of showers in the morning. A few showers beginning near noon. Risk of a thunderstorm in the morning and afternoon. Wind becoming southwest 30 km/h gusting to 60 in the morning. High 25. Humidex 34. UV index 6 or high. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- up 2 days, 17 hours, 55 minutes * Origin: Northern Realms (21:3/110.3) .