Subj : Southern Ontario Weather To : All From : Northern Realms Date : Mon Jul 18 2022 15:35:02 FPCN11 CWTO 181930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Monday 18 July 2022 for tonight Tuesday and Tuesday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday. City of Toronto. Tonight..Mainly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind northwest 20 km/h becoming light early this evening. Low 22. Tuesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind west 20 km/h becoming light early in the afternoon. High 32. Humidex 40. UV index 9 or very high. Tuesday night..Partly cloudy. 40 percent chance of showers in the evening and after midnight with risk of a thunderstorm. Low 23. City of Hamilton. Tonight..Partly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 18. Tuesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind becoming west 20 km/h in the morning. High 31. Humidex 41. UV index 10 or very high. Tuesday night..Partly cloudy. 40 percent chance of showers in the evening and after midnight with risk of a thunderstorm. Wind west 20 km/h becoming light in the evening. Low 21. Niagara Falls - Welland - Southern Niagara Region. Tonight..A few showers ending this evening then clearing. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 22. Tuesday..Sunny early in the morning then a mix of sun and cloud with 40 percent chance of showers in the afternoon. Risk of a thunderstorm in the afternoon. Wind west 20 km/h becoming light in the morning. Wind becoming southwest 20 gusting to 40 near noon. High 29. Humidex 39. UV index 10 or very high. Tuesday night..Partly cloudy. 40 percent chance of showers in the evening and after midnight with risk of a thunderstorm. Wind southwest 20 km/h becoming light near midnight. Low 23. Kitchener - Cambridge - Region of Waterloo. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind northwest 20 km/h becoming light this evening. Low 18. Tuesday..A mix of sun and cloud. 40 percent chance of showers late in the morning and in the afternoon with risk of a thunderstorm. Wind northwest 20 km/h gusting to 40 becoming light late in the afternoon. High 31. Humidex 39. UV index 10 or very high. Tuesday night..Partly cloudy. 40 percent chance of showers in the evening and after midnight with risk of a thunderstorm. Low 20. London - Parkhill - Eastern Middlesex County. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind west 20 km/h. Low 20. Tuesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind west 20 km/h. High 31. Humidex 39. UV index 10 or very high. Tuesday night..Partly cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Wind west 20 km/h becoming light in the evening. Low 22. Windsor - Leamington - Essex County. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 20. Tuesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 33. Humidex 42. UV index 10 or very high. Tuesday night..Partly cloudy with 40 percent chance of showers in the evening and risk of a thunderstorm. Clearing near midnight. Wind south 20 km/h becoming light in the evening. Low 22. Ottawa North - Kanata - Orleans. Tonight..A few showers ending after midnight then cloudy. Risk of a thunderstorm this evening and after midnight. Low 19. Tuesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 in the morning. High 30. Humidex 38. UV index 8 or very high. Tuesday night..Partly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40 becoming light early in the evening. Low 18. Ottawa South - Richmond - Metcalfe. Tonight..A few showers ending after midnight then cloudy. Risk of a thunderstorm this evening and after midnight. Low 19. Tuesday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming west 20 km/h gusting to 40 in the morning. High 30. Humidex 38. UV index 8 or very high. Tuesday night..Partly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40 becoming light early in the evening. Low 18. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- * Origin: Northern Realms (21:3/110.3) .