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  • A warning sign with a storm symbol..
    A severe thunderstorm warning is now in effect for Mississauga bringing heavy rain, strong wind gusts and thunderstorms. If you’re heading out, plan ahead, use caution and stay alert to changing conditions.
    July 9, 2026
  • Thunderstorm graphic
    Conditions could quickly become severe, with strong wind gusts up to 100 km/h, with the possibility of hail and heavy rain that may exceed 30 millimetres. If you’re heading out, plan ahead, use extra caution and keep an eye on changing conditions.
    July 3, 2026
  • A warning sign with a storm symbol..
    A weather system is moving through Mississauga and will bring a chance of showers and a risk of a thunderstorm. If you’re heading out, plan ahead and keep an eye on changing weather.
    July 2, 2026
  • A child drinking water from a water bottle.
    Temperatures are expected to rise above 30 degrees Celsius this week, with the Humidex exceeding 40 degrees Celsius. There is also a risk of showers.
    June 29, 2026
  • A warning sign with a storm symbol..
    Residents are reminded to stay away from creeks, rivers and stormwater areas as rain and gusty winds move through the city.
    June 18, 2026
  • A warning sign with a storm symbol..
    Showers and gusty winds in the forecast
    May 22, 2026
  • A warning sign with a storm symbol.
    Weather system will bring showers, gusty winds and thunderstorms.
    May 19, 2026
  • Sunset over Lake Ontario Mississauga
    The first heat event of the season will begin this afternoon and is expected to continue into Tuesday. Daytime highs near 30 degrees Celsius, with a humidex around 36 degrees Celsius.
    May 18, 2026
  • Yellow warning triangle indicating rising water levels.
    Mississauga is expected to see heavy rain as a weather system moves through the city.
    April 17, 2026
  • Yellow warning triangle indicating rising water levels.
    A weather system is moving through Mississauga today, bringing heavy rain this evening and continuing overnight.
    April 4, 2026