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Heavy Rainfall Warning Issued for Toronto and Surrounding Areas

Strategic Insights

— 1 min read

A heavy rainfall warning has been issued for Toronto and surrounding regions, including Mississauga, Brampton, Oakville, Burlington, Milton, and Hamilton. According to Environment Canada, torrential downpours can bring 40 to 60 millimeters of rain on Monday, with showers and thunderstorms continuing throughout the day. The weather advisory warns of flash floods, water pooling on roads, and washouts near rivers and creeks.

Key Takeaways:

  • 40-60 millimeters of rain expected in Toronto and surrounding areas on Monday, with 30 mm during the afternoon.
  • Heavy downpours can cause flash floods, water pooling on roads, and washouts near rivers and creeks.
  • GTA is currently experiencing a "heat event" due to a humid air mass, with temperatures reaching highs of 29 C on Monday and Tuesday.
  • Cooler air mass expected to arrive on Tuesday, bringing a chance of showers and deteriorating air quality.
  • Air Quality Health Index approaching the high risk category due to humid air, causing deteriorating air quality.
  • Weather agency advises taking precautions in hot weather, including limiting direct sun exposure, drinking lots of water, and avoiding using the oven.
  • Cities other than Toronto under a heat warning, including Mississauga, Newmarket, Richmond Hill, Pickering, Oshawa, Markham, Vaughan, Oakville, Burlington, Milton, and Brampton.
  • Heat advisory warns of extreme heat affecting everyone's health, with suggestions to take precautions to protect themselves.

Statistics:

  • 40% chance of showers on Monday with a risk of a thunderstorm late in the morning.
  • 20-40 km per hour winds gusting southwest, changing to northwest later in the afternoon.
  • 29 C high and 21 C low temperature on Monday, with a humidex value of 37.
  • 40% chance of showers on Tuesday with a potential thunderstorm in the morning.
  • 29 C high and 17 C low temperature on Tuesday.
  • 30% chance of showers on Wednesday with a forecasted high of 25 C and a low of 13 C.

Sources:

  • Environment Canada weather advisory
  • Environment Canada heat advisory
  • Environment Canada air quality forecast

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