Torrential rainfall from a sequence of robust thunderstorms triggered flash flooding throughout elements of Montreal’s West Island and the South Shore on Saturday, leaving roads underwater and a few houses broken by rising water.
Surroundings Canada issued an orange climate warning for the West Island, warning of flash flooding as rainfall totals surpassed 100 millimetres in some areas. Circumstances had been anticipated to enhance later within the night.
Automotive totally submerged in rain water in Pierrefonds on June 20, 2026. (CityNews)
Municipal crews, Montreal police (SPVM), and Montreal firefighters (SIM) had been deployed to help residents and reply to flooded streets and properties.
SIM confirmed that many homes had been affected by the flood and had broken basements.
“Groups are on the bottom, had been attempting to assist as greatest as we will,” stated Jim Beis, mayor of Pierrefonds-Roxboro. “This amount of rain is sort of nearly inconceivable to handle. We predict some damages to return from it.”
Automotive surrounded by flash flood in Pierrefonds on June 20, 2026. (CityNews)
Flash flooding was reported in a number of communities, together with Pierrefonds, La Prairie and Saint-Fixed. Authorities stated some houses within the West Island took on water, whereas quite a few roads had been inundated or skilled vital water accumulation.
Over 38mm of rain has fallen at Trudeau Airport within the final couple of hours.
Automotive surrounded by flash flood in Pierrefonds on June 20, 2026. (CityNews)
The storms moved southeast throughout parts of Laval, Pierrefonds, Dorval and central Montreal earlier than reaching the South Shore. Forecasters reported widespread lightning, torrential rainfall and occasional hail.
Extreme thunderstorm watches and warnings remained in impact for elements of southwestern Quebec, together with the Montreal area, by means of Saturday night.
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