Lingering storm threat with flood risk for the southern Prairies

Severe thunderstorms could bring heavy rain and localized flooding to parts of the southern Prairies

Persistent thunderstorms brought thousands of lightning strikes to the Prairies on Thursday, with the activity expected to continue into Friday.

Another round of storms is anticipated Saturday, as well, as a low pressure system moves north from the U.S.

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Southern Saskatchewan faces a heightened risk, with heavy rainfall and localized flooding possible through the weekend.

Weekend thunderstorm threat targets southern Prairies with heavy rain and flooding risks

Thunderstorm activity will persist through the weekend across the southern Prairies.

On Friday, a slow-moving low pressure system will generate storms over southern and central Saskatchewan. Severe thunderstorm warnings may be issued, particularly near Regina, Saskatoon, and areas to the east by late afternoon and evening. Threats include hail up to 2 cm, heavy downpours, and strong winds.

Baron - Prairie thunderstorm risk Friday - Sept12

By Saturday, a new low moving in from the U.S. will trigger another round of thunderstorms.

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Heavy rainfall and localized flooding remain a concern across much of southern Saskatchewan, with some areas potentially seeing 30–50 mm or more of precipitation.

Baron - Prairie thunderstorm forecast Saturday - Sept12

While the southern Prairies will experience the most active weather in Canada, the majority of the country will see predominantly dry conditions over the next seven days, offering a sharp contrast to the stormy outlook for this region.

Baron - Prairie rain - Sept12

Stay with The Weather Network for all the latest on conditions across the Prairies.

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