Flooding and Tornado Threat Sweep Canadian Prairies

Powerful weather systems are putting parts of Alberta and Saskatchewan on alert over the weekend as flooding concerns and tornado threats loom.

Environment Canada issued heavy rainfall warnings for parts of Alberta, where between 40 and 70 millimetres of rain is expected through the weekend. Already saturated ground combined with above-normal rainfall totals this month could lead to overland flooding, washouts, and damage to infrastructure and property. Localized flooding is likely and some roads could become impassable.

In Edmonton, police closed westbound lanes of Yellowhead Trail at 170 Street on Saturday due to flooding, urging motorists to seek alternate routes. The city is on track to challenge its all-time June precipitation record after a month of persistent rainfall.

Meanwhile, parts of Saskatchewan face a severe weather threat, with tornado watches and severe thunderstorm watches stretching across large portions of the province. Environment Canada said conditions favour the development of severe thunderstorms capable of producing tornadoes, large hail, strong winds, and heavy rain. A surface trough moving north from Montana is expected to fuel storm development through Saturday afternoon and evening.

Tornado watches were in effect across parts of southeastern Saskatchewan, including areas near Estevan and Weyburn. Severe thunderstorm watches and warnings covered Regina, Moose Jaw, and surrounding communities. A line of slow-moving thunderstorms prompted severe thunderstorm warnings in parts of southern Saskatchewan Saturday afternoon, with alerts for flash flooding and reduced visibility.

Environment Canada is urging residents in both provinces to closely monitor forecasts and warnings, avoid flooded roadways, and seek shelter immediately if threatening weather approaches. The severe weather threat in Saskatchewan is expected to diminish later Saturday evening, though parts of Alberta could continue to see rain into next week.