Heat Wave

• Scorching summer has Ontario electricity usage hit highs not seen since 2013

  The scorching summer of 2025 has led to levels of electricity usage not seen in more than a decade in Ontario, the company managing the province's power grid says.

  Canada

  Sep 1
  
• Heat warnings span Alberta, parts of Saskatchewan with daytime highs above 30 C

  With temperatures expected to stay in the 30 C range through the weekend, Environment Canada has issued heat warnings for much of Alberta and Saskatchewan.

  Health

  Aug 27
  
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• ‘We are in a heat crisis’: Province should track deaths, ensure school AC, group says

  A network of Ontario civil society groups is calling on the province to develop an extreme-heat awareness program to better address the dangers of sweltering temperatures.

  Weather

  Aug 18
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• Struggling with the heat? It’s not just you as summer days above 30 C spike

  Amid ongoing heat waves, cities like Toronto, Montreal and Halifax have seen more days above 30 C than normal, some far surpassing their 2024 numbers.

  Weather

  Aug 13
• Atlantic Canada sees more sweltering temperatures, relief expected in Ontario

  Extreme heat is expected to ease in many parts of Canada today, while the Atlantic provinces continue to bear the brunt of a multi-day heat wave.

  Weather

  Aug 13
• Heat wave set to end in B.C., with relief coming for other provinces soon

  Environment Canada advises people to limit the amount of time they spend outdoors and to monitor for signs of heat exhaustion in these conditions.

  Weather

  Aug 12
• Stifling heat forecast in Ontario, Quebec, Atlantic provinces and parts of B.C.

  Another day of punishing heat and humidity is expected to hit Ontario, Quebec and the four Atlantic provinces.

  Weather

  Aug 11
• N.S. feeling heat from low-income renters seeking cooler apartments this summer

  Low-income Canadians with health conditions are pleading for government help to stay cool as heat waves worsen across the province, making apartments unbearable.

  Canada

  Aug 6
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• Caution advised due to bacteria levels at some Ontario beaches as heat persists

  Toronto Public Health is advising caution at the popular Centre Island beach on the Toronto Islands, after water samples showed elevated E.coli bacteria counts.

  Canada

  Jul 29
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• Southwestern Ontario blasted by summer heat waves

  Parts of Ontario have been feeling the heat this summer, with the southwestern part of the province experiencing its fourth heat wave of the summer.

  Weather

  Jul 28