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Power outages, flight delays, flooded roads: storm wreaks havoc in Montreal
MONTREAL, QUEBEC, JUL 13 – Nearly 100,000 Hydro-Quebec customers lost power and flooding damaged basements and roads after up to 110 millimeters of rain fell during the severe thunderstorm, officials said.
- A severe thunderstorm on Sunday, July 13, 2025, caused extensive flooding and power outages across Montreal and surrounding regions.
- The storm delivered 70 to 110 millimeters of rain in hours, roughly matching Montreal’s usual July rainfall, overwhelming infrastructure.
- Flooding affected major roads like the de Salaberry Street viaduct and Highway 15 while nearly 100,000 Hydro-Québec customers lost power at the peak.
- Firefighters used industrial pumps for hours to clear four feet of water from basements, and police rescued a man trapped under a flooded viaduct.
- By Monday morning, outages dropped below 5,000 addresses, but residents like Marunych urged officials for stronger municipal flood responses despite existing anti-flood measures.
12 Articles
12 Articles
Saint-Leonard residents deal with intense flooding after Sunday's storm
Montrealer Andriy Marunych has been living in the city’s Saint-Leonard borough for 20 years – and since, he’s seen his share of flooding. His basement was inundated with around four feet of water during a severe thunderstorm Sunday. Even with a water pump installed on his basement floor, he said that it took firefighters four […]
Most Quebecers get power back after strong storm rips through many parts of province
There is a quiet after the storm, with 4,600 clients without power in Quebec Monday morning, according to Hydro-Quebéc's outage map. That's down from 100,000 on Sunday afternoon. Many parts of the province received almost a month's worth of rain in the span of a few hours.
Many floods upset Montreal's road network on Sunday, after severe storms passed over the area.
In three hours, Montreal received the precipitation that it normally receives throughout July.
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