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Heat event expected to continue into the weekend

Daytime high temperatures in the low thirties with humidex values in the mid to upper thirties are expected over the next several days
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Heat warning in effect for:
  • Little Abitibi - Kesagami Lake
  • Timmins - Cochrane - Iroquois Falls
  • Fraserdale - Pledger Lake
  • Kapuskasing - Hearst - Smooth Rock Falls
  • Chapleau - Missinaibi Lake
  • Gogama - Foleyet
  • Kirkland Lake - Englehart

A heat event continues through Thursday.

Daytime high temperatures in the low thirties with overnight lows near 18 degrees Celsius are expected to continue until Thursday. Humidex values near 36 are expected again Thursday. Cooler air will move into the region Thursday night.

Please refer to your public forecast for further details on expected temperatures.

Hot and humid air can also bring deteriorating air quality and can result in the air quality health index to approach the high risk category.

Extreme heat affects everyone.

The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.

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

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