Freezing levels will drop to 1,300 to 1,500 metres Thursday overnight, leading to varying levels of rain and snowfall.

People in southwestern Manitoba woke up to snow on Saturday.

Environment Canada says the storm is expected to begin Saturday afternoon and continue into Sunday afternoon. 

Environment Canada issued a snowfall warning for several parts of southern and central Alberta on Friday.

The warning stretches from Hope to Merritt, where 20 to 25 centimetres is expected.

Areas in central and northern Alberta are being told to brace for as much as 15 centimetres of snow to fall by Tuesday morning.

Environment Canada has issued a special weather statement for most of the province, forecasting prolonged periods of snow and freezing rain.

A snowfall warning is in effect for the eastern stretch of Highway 3, with 15-20 cm projected from Paulson Summit to Kootenay Pass.

The national weather agency is predicting 10 to 20 cm of snow from Tuesday afternoon to Wednesday morning.

Global Edmonton meteorologist Jesse Beyer said weather in some areas would "bring heavy precipitation and gusty wind to many, affecting travel plans."