Severe Thunderstorm Threat Targets Alberta Monday with Winds up to 100 km/h

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Alberta faces a severe weather threat on Monday, May 26, 2025. A strong cold front moving across the province will trigger severe thunderstorm late afternoon into the evening. These storms may bring damaging winds reaching 100 km/h, large hail, and heavy rainfall, especially in central Alberta between Edmonton and Calgary.

Severe Thunderstorm
Photo by Carrie Borden on Unsplash

Storm Setup and Key Threats

A trough developing across Alberta will increase the risk of severe thunderstorms. Warm temperatures combined with strong upper-level support will fuel instability in the atmosphere. This setup will help storms develop and strengthen along the cold front.

The most intense storms may produce:

  • Wind gusts up to 100 km/h
  • Large hail, potentially loonie-sized or nickel-sized
  • Heavy downpours leading to localized flooding

There is some uncertainty about how severe the storms will become, but forecasters have high confidence that thunderstorm activity will peak between 4 p.m. and 8 p.m. local time.

Preceding Weather Conditions

Sunday night will bring irregular thunderstorms to parts of Alberta and British Columbia. These early storms are not expected to be severe but may cause gusty winds, small hail, and heavy rain. Rainfall will also affect higher altitude areas with small snow pockets in British Columbia.

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What to Expect After the Storms

Following the severe storms, showers will continue, especially in central and eastern Alberta and eastern British Columbia. Temperatures are expected to remain warmer than normal for late May, with a few hot days ahead. While major storm systems are unlikely after Monday, scattered showers and thunderstorms could still appear from time to time, amid generally drier conditions.

Stay Weather Aware

Residents in Alberta should stay alert to any weather watches and warnings. Conditions can change quickly with severe thunderstorms, especially with the potential for damaging winds and large hail. For ongoing updates and safety tips, check The Weather Network regularly.

What preparations do you plan to make ahead of the storm? Share your tips or concerns in the comments below!

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