August hailstorm in central Alberta caused nearly $40M in insured losses

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According to Environment and Climate Change Canada, the storm, which had been warned about, unleashed the damaging hail from Springbrook to Wainwright — a stretch of nearly 300 km.

$4.1 million

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Related: Hail pounds parts of central Alberta on Sunday

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Per the Insurance Bureau of Canada here are the remaining extreme weather events:

1. May 14, 2026: Over $40 million in insured losses across Saskatchewan and Manitoba (Wind): Strong wind gusts created a dust storm across southern Saskatchewan and Manitoba with wind causing extensive damage to homes and businesses.
2. May 31–June 2, 2026: Over $80 million in insured losses in the Edmonton area (Flood): A prolonged rainfall event over central Alberta resulted in significant flooding in the region. Edmonton was hardest hit, receiving more than a month’s worth of rainfall in just a few days that flooded basements, roads and public spaces. 
3. June 9 & 10: Over $900 million in insured losses in Saskatchewan and Manitoba (Flood, Hail, Wind): These storms brought tornadoes, hail, damaging winds, torrential rain and flash flooding to communities across both provinces, affecting tens of thousands of residents and businesses.
4. June 20–21, 2026: Over $160 million in insured losses in central Alberta (Flood): Prolonged rainfall caused extensive flooding in Edmonton and the surrounding area. Sewer systems were overwhelmed, causing basement flooding and flooded streets.
5. June 26–30, 2026: Over $160 million in insured losses in Alberta, Saskatchewan and Manitoba (Flood): A slow-moving storm moved across the Prairies, causing extensive flooding, with Canmore and Kananaskis County, Alberta declaring local states of emergency.
6. July 4–6, 2026: Over $270 million in insured losses in Alberta, Saskatchewan, Manitoba and Northern Ontario (Flood, Hail, Wind): Strong thunderstorms affected a wide region from Alberta to Ontario. Hailstones the size of billiard balls were reported in some areas, as well as 100 millimetres of rain and strong wind gusts.  
7. July 10–11, 2026: Over $140 million in insured losses in Alberta and Saskatchewan (Flood, Hail, Wind): Edmonton again took the brunt of a two-day severe weather outbreak that produced rain, hail and ten tornadoes across Alberta and Saskatchewan.
8. July 18, 2026: Over $40 million in insured losses in Alberta and Saskatchewan (Flood, Wind): Strong storms developed along the central foothills of Alberta, with two EF2-rated tornadoes – one to the south of Rocky Mountain House and one to the east toward Leslieville. The same storm brought additional rains to Edmonton, sparking another round of flooding in the city.
9. August 11, 2026: Nearly $70 million in insured losses in Alberta (Flood, Hail): Severe thunderstorms produced significant amounts of rainfall and very large hailstones over southern Alberta, affecting the communities of Claresholm, Lethbridge, Didsbury and Coaldale.