Calgary weather: Temperatures to rise more than 20 degrees in less than 2 days [Video]

A weather pattern with both persistent Arctic air and an ample supply of moisture has left Albertans with a much different weather story than they started the month with.

Daytimes highs in Calgary have been well below seasonal and also below freezing for over a week, a trend that will continue until Sunday.

Light snow fell overnight Friday and that, along with mist made for a slippery start across the city.

An incoming system prompted snowfall warnings for north and central B.C. and Alberta with another longer duration event expected there.

Environment and Climate Change Canada issued a number of warnings and advisories Friday, including snowfall warnings (white), rainfall warnings (green), extreme cold warnings (light blue), and fog advisories (gray).

South of Edmonton, conditions will remain mostly dry, but the temperatures are expected to sit in the mid minus-teens and low 20s for Friday, Saturday and Sunday.

A building ridge …