Expect blowing snow and falling temperatures for the next few days, and reduced visibility and drifting snow on highways.
Several highways, including most of the Perimeter Highway, are already experiencing reduced visibility from blowing snow and partly-covered road conditions this morning.
Today's north winds of 30 km/h, gusting to 50, will accompany a 60 per cent chance of flurries and high temperature of -9 C. Light snow will fall overnight, with a low of -14 C and 20 km/h north winds.
Light snow will continue Wednesday, with north winds again at 30 km/h gusting to 50. The temperature will be steady near -14 C, for a wind chill of -25.
Thursday will have a 60 per cent chance of flurries, and a high of just -16 C.
Then the cold snap really begins with the high-lows of -21 C and -22 C Friday, -22 C and -26 C on Saturday, and -21 C and -28 C on Sunday.