Toronto, Ontario, Canada Severe Weather Alertstar_ratehome

Dangerous heat and humidity beginning Sunday afternoon.

The first significant heat event of the season with dangerously hot and humid conditions will begin Sunday afternoon and is expected to continue into the week.

What:
Daytime highs of 31 to 36 degrees Celsius.
Humidex values of 40 to 45.
Overnight lows of 21 to 25 degrees Celsius, providing little relief from the heat.

When: 
Sunday afternoon to Tuesday night.

Additional information:
The extreme heat and humidity may continue into Wednesday. A cold front is expected to push through the region late Tuesday but there is some uncertainty with how far south this front will get. Should it remain farther north, the heat event may continue for Wednesday primarily for southwestern Ontario and the GTA.

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For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html

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