Chief Dan George Public School, ON

Heat event is expected to continue today.

Maximum temperatures are expected to be near thirty with minimum temperatures in the low to mid-twenties, bringing little relief from the heat.

Humidex values are expected to reach near 40.

Cooler temperatures are expected on Tuesday.

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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Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.

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@ec.gc.ca or tweet reports using #ONStorm.