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.
Emergency and public safety | July 9, 2026

Environment and Climate Change Canada has upgraded its earlier watch to a severe thunderstorm warning for Mississauga.
Periods of heavier rain may lead to higher water levels across the city. For safety, residents are urged to:
Wet weather can create hazardous conditions. Residents are reminded to:
Pedestrians and cyclists should take extra care. Wet surfaces may be slippery and visibility may be reduced.
To report a fallen or unsafe tree:
If a flood warning has been issued, act immediately to protect yourself from danger and your home from flood damage.

Small steps can help reduce risk:
The City of Mississauga is monitoring weather conditions and local waterways.
City crews will monitor storm drains and respond to flooding or water pooling. Residents can report issues online or by calling 311 (or 905-615-4311 from outside city limits). The City’s Office of Emergency Management continues to work with conservation authority partners.
Weather conditions can change quickly. Residents are encouraged to:
For flooding concerns, call 311.
City of Mississauga Media Relations
media@mississauga.ca
905-615-3200, ext. 5232
TTY: 905-896-5151
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