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Extreme thunderstorms hit Toronto and southern Ontario, causing flooding, mass power outages, cancelled flights and events

  • Posted on September 3, 2026
  • By The Toronto Star
  • 1 Views
  • 1 min read
In brief

Wednesday brought severe weather devastation to Toronto and surrounding Ontario areas as consecutive thunderstorms pounded the region with unprecedented intensity. The atmospheric system delivered over 100 millimeters of rainfall paired with destructive winds exceeding 85 km/h, triggering widespread infrastructure failures. The prolonged storm sequence resulted in extensive power disruptions affecting thousands of residents, significant flooding in multiple neighborhoods, and cascading cancellations of flights and public events. Emergency services mobilized across the Greater Toronto Area to manage the crisis response.

Summary auto-generated by AI from the original publisher's content. Editorial standards.

Extreme thunderstorms hit Toronto and southern Ontario, causing flooding, mass power outages, cancelled flights and events
Extreme thunderstorms hit Toronto and southern Ontario, causing flooding, mass power outages, cancelled flights and events

More than 100 mm of rain hit the city and wind speeds reached 85 kilometres an hour Wednesday. The storms hit the region in a line, one after another, with lighting and thunder pounding for several hours.
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Author
The Toronto Star

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