Beware of overnight flooding as strong storms hit the Prairies Friday
Strong thunderstorms threaten much of the Prairies Friday, with the risk for localized flooding with overnight storms
A renewed thunderstorm threat brought large hail and frequent lightning to parts of Alberta Thursday, with the risk stretching across the Prairies heading into the weekend.
Friday evening storms will be of particular concern for parts of southern Alberta, as limited movement of the system could heighten the risk of localized flooding overnight. The storm risk will push east into Manitoba later Friday and into Saturday, as well.
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You'll want to stay updated on the weather alerts in your area as conditions can change quickly when severe weather hits.
More widespread storm risk across the Prairies for Friday
The thunderstorm risk will expand across much of the Prairies on Friday, with isolated storms possible throughout the region.
A trough is expected to trigger afternoon storms in southeastern Saskatchewan on Friday, progressing eastward toward Winnipeg, Man. through the overnight.
Isolated storm clusters could also develop around the Interlakes region. Strong winds, large hail, and heavy rain are the main threats with storms that develop.
Potential flood threat with overnight storms
Evening storms along a boundary in southern Alberta could pose a flooding risk for Calgary overnight due to little north or south movement.
While the boundary may completely bypass the city, it could also stall overhead, increasing the flood threat.
This boundary will also create a temperature contrast of roughly 10°C across southern Alberta.
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By Saturday, scattered storms are likely to form along the foothills as well as in central and northern British Columbia, driven by a surge of cold air.
A line of stronger storms could develop over northwestern Ontario and extend into southern Manitoba. Additionally, there is overnight potential for storms near the Manitoba–U.S. border.
Warmer weather returns, little help for Manitoba wildfires
Following this week's frost and even snow threat for parts of the Prairies, warmer weather is set to return next week, though no extreme heat is expected.
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Warm weather next week will bring the typical summer risk of thunderstorms, with periods of strong to severe storms expected, particularly in Alberta.
Meanwhile, central and northern Manitoba, where wildfires remain a concern, are expected to see below-normal rainfall throughout the week, offering little relief to affected areas.
Stay tuned to The Weather Network for the latest forecast updates for the Prairies.