High daytime temperatures near 30 are expected this afternoon and temperatures are forecast to be slightly higher Tuesday and Wednesday. Humidex values in the mid to upper thirties are also expected. There may be some relief near the lakeshores.

- May. 25, 2020: Hot weather today through Wednesday.

High daytime temperatures near 30 are expected this afternoon and temperatures are forecast to be slightly higher Tuesday and Wednesday. Humidex values in the mid to upper thirties are also expected. There may be some relief near the lakeshores.

###

Extreme heat affects everyone.

Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@canada.ca or tweet reports using #ONStorm.