2 U6 {% w' y; _" hA very cold Arctic airmass and winds of 15 to 20 km/h will generate wind chill values below minus 40 across much of Alberta tonight. Conditions will improve somewhat by Sunday afternoon as temperatures rise.- V. g0 k, T% l& h* S- M0 G4 [
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes. 9 h( d4 z: Q" K2 Q+ h; Z