August 11, 2018 – Heat Warnings Extend Across Northwestern Ontario

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Heat Warning

Heat WarningTHUNDER BAY – WEATHER – Across much of Northwestern Ontario there are Heat Warnings in effect issued by Environment Canada. While Thunder Bay will be hot today, there are currently no alerts in effect. The hot daytime temperatures could also lead to thunderstorm activity later in the day.

Heat Warning in effect for:

  • Kenora – Grassy Narrows – Whitedog
  • Sioux Narrows – Nestor Falls – Morson
  • Fort Frances – Emo – Rainy River
  • Seine River Village – Mine Centre
  • English River
  • Pickle Lake – Mishkegogaming
  • Savant Lake – Sturgeon Lake
  • Sioux Lookout – Eastern Lac Seul
  • Wabikimi

A heat event continues today through Monday.

Daytime maximum temperatures are forecast to reach the low to mid-thirties with humidex values reaching the mid-thirties to forty. Overnight low temperatures are forecast to be near twenty degrees, providing little relief from the heat.

Cooler temperatures and lower humidity are expected by Monday night with the passage of a cold front.

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

Never leave people or pets inside a parked vehicle.

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.