Snowfall warnings blanket southwestern Alberta early Sunday

• See the latest Alberta weather warnings and conditions.

SouthwesternAlberta is under an ongoing snowfall warning, with up to 15 additional centimetres expected to fall in some areas on an already thick layer of snow.

Environment Canada warnings were in place for the areas around Cardston, Fort Macleod, Magrath, the Crowsnest Pass, Waterton Lakes National Park, Kananaskis-Canmore, Okotoks, High River and ClaresholmSunday morning but by the afternoon many had been lifted.

Cardston, the Crowsnest Pass, Fort Macleod, Magrath, Pincher Creek and Waterton Lakes National Park remained under snowfall warning at 7:30 p.m. MT.

"Prepare for quickly changing and deteriorating travel conditions," said Environment Canada in its warning."Visibility may be suddenly reduced at times in heavy snow. If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop."

Calgary dodged a weather warning although snow continues to fall, with almost three centimetres coming down overnight and a further two centimetres expected during the day.

The temperature in the city will plunge to 18 C tonight, with the windchill factormaking it feel like 25.

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