Ontario Weather

• Ontario cities facing road salt shortage as cold snap settles in

  Pickering and London recently issued notices advising they’re adjusting their winter maintenance operations due to the low supply of road salt.

  Canada

  Jan 27
  
• Flights, schools cancelled in GTA as Ontario winter storm wallops region

  A winter storm could bring up to 40 centimetres of snow to the Greater Toronto Area, with more than 20 cm and freezing temperatures expected in other parts of Ontario.

  Weather

  Jan 25
  
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• ‘Potent cold front’ to move across Ontario, more snow on the way for Quebec

  Environment Canada says another dumping of snow is on the way for Quebec, while Ontario is expected to see a significant drop in temperatures this week.

  Weather

  Jan 14
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• Temperatures to nosedive in northern Ontario as cold front moves in

  Parts of northeastern Ontario can expect to see a nearly 20-degree drop in temperature over the next 24 hours thanks to a blast of wintry weather.

  Weather

  Dec 3, 2025
• Parts of northern Ontario, central Quebec face snowy storm this week

  Significant weather system in northeastern and northwestern Ontario may blow into central Quebec north of Montreal. Heavy snowfall is projected with travel advisory.

  Weather

  Nov 26, 2025
• Fall-like weather heads for Ontario, breaking summer heat

  It'll be a bit of a break from the summer heat as a low-pressure system brings fall-like weather to much of southern Ontario early next week.

  Weather

  Aug 22, 2025
• Southern Ontario set to bake under another heat wave, humidex to go over 40 C

  A fresh warning issued by Environment Canada on Friday afternoon predicts temperatures will begin to rise on Saturday and remain high until the middle of next week.

  Weather

  Aug 8, 2025
• Prairies wildfire smoke prompts special air quality statement for southern Ontario

  Environment Canada says smoke from forest fires can cause reduced air quality and visibility that can fluctuate throughout the day.

  Weather

  Jul 31, 2025
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• 3 tornadoes touched down in Ontario over the weekend: Researchers

  Three tornadoes touched down in Ontario on the coastline of Lake Huron over the weekend, according to the Northern Tornadoes Project.

  Weather

  Jul 29, 2025
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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, 2025