Strong winds over 90 km/h and hail larger than loonies will threaten Central Alberta on Thursday, according to weather officials.
Environment Canada issued a special weather statement for Red Deer, Ponoka, Innisfail and Stettler around 3:30 p.m. on Wednesday.
Severe thunderstorms are likely in Central Alberta on Thursday.
A trough of low pressure will trigger widespread thunderstorms as it moves through Central Alberta.
Thunderstorms are expected to develop along the foothills in early Thursday afternoon and move east, lasting late into the evening.
There is still uncertainty over exactly where the most severe storms will hit.
The public is advised to monitor future forecasts as warnings may be required or extended.
Monitor the latest information from Environment Canada at www.weather.gc.ca.