Subj : Southern Ontario Weather To : All From : Northern Realms Date : Tue Jul 19 2022 11:05:02 FPCN11 CWTO 191500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Tuesday 19 July 2022 for today and Wednesday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Increasing cloudiness late this morning. 40 percent chance of showers with risk of a thunderstorm. Wind west 20 km/h becoming light early this afternoon. High 31. Humidex 41. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 23. Wednesday..Sunny. Becoming a mix of sun and cloud near noon. Wind southwest 30 km/h. High 32. Humidex 41. UV index 10 or very high. City of Hamilton. Today..Increasing cloudiness near noon. 40 percent chance of showers with risk of a thunderstorm. Wind west 20 km/h. High 29. Humidex 39. UV index 10 or very high. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing late this evening. Wind west 20 km/h becoming light this evening. Low 22. Wednesday..Mainly sunny. Wind southwest 30 km/h. High 30. Humidex 39. UV index 10 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 31. Humidex 42. UV index 10 or very high. Tonight..Cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Wind southwest 20 km/h becoming light near midnight. Low 24. Wednesday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind southwest 30 km/h. High 32. Humidex 41. UV index 10 or very high. Kitchener - Cambridge - Region of Waterloo. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind northwest 20 km/h gusting to 40 becoming light late this afternoon. High 31. Humidex 40. UV index 10 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing this evening. Low 22. Wednesday..A mix of sun and cloud. A few showers beginning late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind west 20 km/h becoming southwest 40 gusting to 60 in the afternoon. High 30. Humidex 37. UV index 10 or very high. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud. 40 percent chance of showers with risk of a thunderstorm. Wind west 20 km/h. High 32. Humidex 40. UV index 10 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing late this evening. Wind west 20 km/h becoming light this evening. Low 22. Wednesday..A mix of sun and cloud. 70 percent chance of showers late in the afternoon with risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 30. Humidex 38. UV index 10 or very high. Windsor - Leamington - Essex County. Today..A mix of sun and cloud. 40 percent chance of showers with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 31. Humidex 40. UV index 10 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind south 20 km/h becoming light this evening. Low 23. Wednesday..A mix of sun and cloud. 70 percent chance of showers late in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h in the morning. High 32. Humidex 41. UV index 10 or very high. Ottawa North - Kanata - Orleans. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind west 20 km/h gusting to 40 becoming light early this evening. Low 18. Wednesday..A mix of sun and cloud with 30 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h in the afternoon. High 31. Humidex 41. UV index 10 or very high. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40. High 30. Humidex 37. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind west 20 km/h gusting to 40 becoming light early this evening. Low 18. Wednesday..A mix of sun and cloud with 30 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h in the afternoon. High 31. Humidex 41. UV index 10 or very high. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- up 1 week, 18 hours, 42 minutes * Origin: Northern Realms (21:3/110.3) .