An Aug. 20, 2025 hail and wind storm carved a 15-km-wide, 200-km-long “hail scar” across southern Alberta, visible in NASA satellite imagery. The storm devastated about 425,000 acres of crops and grassland, with severe impacts near Brooks, and recovery may take a year or more.

The Insurance Bureau of Canada says a severe hail storm that battered Calgary last month is the second-costliest event in Canadian history.

According to RCMP, 34 vehicles were damaged Monday — down from an earlier estimate of 70 — while numerous people suffered minor injuries. Three collisions were caused by the storm, police said.

A large chunk of Alberta, particularly in the south and central regions, were throttled by severe thunderstorm...

Calgarians are picking up the pieces after a massive storm brought tennis ball-sized hail and flooding to the city Saturday night. A number of community residential roads have also been impacted. Cars left abandoned on major roadways will be towed throughout the day.

Highway 22 in southern Alberta was blanketed in what looked like snow but was probably hail, making roads slick and slow.