Orange Warning - Heat

A long duration heat event begins Tuesday.

What: Maximum temperatures of 31 to 34 degrees Celsius, and potentially up to 37 degrees Celsius for some areas. Minimum temperatures of 21 to 25 degrees Celsius.

When: Tuesday through Friday, and possibly into the weekend.

Additional Information: The hottest days are expected to be Wednesday and Thursday, with maximum temperatures of 34 to 37 degrees Celsius expected. Minimum temperatures of 21 to 25 degrees Celsius will provide little relief from the heat.

Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category.

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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.