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
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- 1 min read
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.
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