, x/ G/ d& q+ y4 a3 EA 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.9 H( L a# y) V# t$ @' W' {
At these extreme wind chill values frostbite on exposed skin may occur in less than 10 minutes.: Y( ^/ b" Y* t' T