Alberta forecast to see thunderstorms with hail risk Sunday

Sep 14 2025, 3:43 pm

Sunday is shaping up to be a potentially active weather day in parts of Alberta, with thunderstorms that could produce hail and rain.

According to Environment and Climate Change Canada (ECCC), thunderstorm outlooks from the Storm Prediction Centre say that Sunday, Sept. 14 looks like “much of the province could become unstable with a chance of non-severe thunderstorms,” which will be focused near a low moving northwards to Fort McMurray and over the Foothills.

Fog has also plagued much of eastern Alberta this morning, and on the backside of precipitation once again tomorrow morning.

Forecasters note that wildfire smoke continues to impact numerous areas across Alberta.

Two minor risk zones are situated in Alberta for thunderstorms, with the “A” area including the Edmonton metro region, Fort McMurray, and Lloydminster. This area could see storms with wind gusts up to 70 km/h, hail up to two centimetres in size, and rainfall amounts in the 20 to 40 millimetre range.

The “C” risk area hugs the Foothills and includes the Calgary metro region, Jasper and Banff National Parks, and Edson. This area could see thunderstorms with hail up to one centimetre in size, and rainfall amounts in the 20 to 30 millimetre range.

ECCC Storm Prediction Centre Edmonton

The thunderstorm risk fades for Alberta as we move into the overnight hours, with the outlook showing no regions in the province set to see any storms.

alberta thunderstorms hail

ECCC Storm Prediction Centre Edmonton

You can view the full ECCC thunderstorm outlook online.

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