Ottawa Heat Warning

• Ottawa, eastern Ontario under weekend heat warning

  Humidex values in Ottawa and the surrounding regions could hit as high as 40 on Friday as a heat warning is expected to last into the weekend.

  Weather

  Aug 20, 2021
  
• Ottawa, eastern Ontario start week under heat warning

  Humidex values in Ottawa and the surrounding region could hit 40 on Monday and Tuesday as Environment Canada places the area under a heat warning.

  Weather

  Aug 9, 2021
  
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• 4 emergency cooling centres open amid Ottawa heat wave

  Four emergency cooling centres will open for Ottawa residents on Monday as temperatures are expected to reach as high as 33 C to start the week.

  Weather

  Jun 7, 2021
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• Hot and humid weekend ahead for Ottawa area, heat warnings say

  As of Friday, daytime temperatures will reach the low- to mid-30s but the humidity will make it feel like 40 C or higher. The air is expected to turn cooler and less humid on Sunday.

  Canada

  Jul 18, 2019
• Heat warnings, thunderstorm watches issued for parts of eastern Ontario

  Environment Canada says temperatures around Ottawa, Brockville and Cornwall are expected to reach the low 30s, with humidity levels peaking in the upper 30s.

  Weather

  Jul 11, 2019
• Heat warnings issued for Ottawa, Brockville areas

  The heat event this week will bring daytime temperatures near 31 C, but it will feel close to 40 with the humidity, according to Environment Canada's advisory.

  Weather

  Jul 3, 2019