Published on May. 13, 2026, 2:53 PM
Your May long weekend plans will likely require some extra attention to the weather forecast
Expect shifts in Canada’s weather over the May long weekend as the strong western ridge and central trough pattern shows signs of easing. A warmer air mass from the central U.S. and Midwest will attempt to move into the Great Lakes.
SEE ALSO: Confidence increasing in a very strong El Niño by this summer
Here’s what to expect across Canada for the unofficial kick off to summer.
British Columbia:
Seasonal temperatures are expected overall. The long weekend kicks off with a wet Friday, with rain and alpine snow across the coast and interior. Conditions transition to a drier trend by Saturday and Sunday.
DON’T MISS: Snow chances spread across several provinces this week
Prairies:
Changeable weather will dominate, with a cooling trend expected. Rain on Friday in the central Prairies will turn to snow in northern regions.
A cold front will drop temperatures by Saturday, with highs around 8°C in Calgary and warmer conditions near the U.S. border. Showers may continue in central and southern areas on Saturday and Sunday, with alpine snow in the Rockies, including Banff.
Ontario and Quebec:
The long weekend weather winner? This could be it.