Much of southern Ontario remains under a heat warning Thursday, including London-Middlesex, Elgin, Oxford and Huron-Perth.
Daytime high temperatures are expected to reach the low thirties, with humidex values near 40.
The hot and humid conditions are expected to improve this evening.
Thursday: A mix of sun and cloud. 30 per cent chance of showers this morning with risk of a thunderstorm. Clearing this afternoon. High Humidex 39. UV index 10 or extreme
Thursday Night: Clear. Low 19.
Friday: Sunny. High 26. Humidex 29. UV index 9 or very high.
Saturday: Sunny. High 20.
Sunday: A mix of sun and cloud. High 21.
Monday: A mix of sun and cloud. High 27.
Tuesday: A mix of sun and cloud. High 30.
