The Weather Network – Warnings issued for up to 20 cm of spring snowfall over parts of Alberta

A true-to-form spring storm will continue across the western Prairies through our Friday, bringing late-season snow to Alberta’s mountains and foothills while residents of the southern half of the province benefit from beneficial rains. More on how long the storm will last and what to expect this weekend and beyond, below.


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THIS WEEK: FROM THUNDER TO SNOW TO THE CHANGE OF SEASONS

Alberta went for a ride on a classic weather rollercoaster this week as warm temperatures and thunderstorms crashed hard into a cold air mass that allowed late-season snow to fall at altitudes higher.

Widespread rain and wet snow developed in southern and central Alberta as a slow-moving storm system moved through the region. Precipitation will continue overnight in many areas before easing during the day Friday.

It’s hard to get daytime snow accumulations this late in the season. The high angle of the sun warms the ground and bites the snow even through thick clouds and cold temperatures. However, the roads are likely to become slippery as the sun sets on Thursday evening and the snowfall continues.

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A snowfall warning is in effect for the 10 to 20 cm expected in high elevations through Friday.

“Be prepared for rapidly changing and deteriorating travel conditions,” Environment and Climate Change Canada (ECCC) says in the snowfall warning. “Visibility can sometimes be suddenly reduced in heavy snow.”

Some wet snowflakes are also possible at lower altitudes towards QE2.

Cool, below-season temperatures will persist heading into the first half of the weekend. Friday’s daytime highs will be about half as hot as normal for May 20.

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Widespread freezing and rapid freezing are likely for several nights. Temperatures will recover somewhat on Sunday and Monday.

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Stay tuned to The Weather Network for the latest updates across Alberta.

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