Yellow Warning - Heat

A prolonged heat event begins Wednesday.

What: Maximum temperatures of 30 to 34 degrees Celsius. Minimum temperatures of 21 to 25 degrees Celsius. Humidex values of 40 to 44.

When: Wednesday into Saturday.

Additional Information: The hottest days are expected to be Wednesday and Thursday, with maximum temperatures potentially reaching 34 degrees Celsius.

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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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.

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 #QCStorm.