This morning's relatively mild start to the day is about as warm as it'll get all week.
Environment Canada is calling for a high of -12ºC today, but temperatures will fall this afternoon to -19ºC, with northwest winds gusting to 40 km/h that could push the wind chill at moments to -30.
Clear skies later in the day and overnight will send the mercury plummeting down to -29ºC and contuing wind will bring a wind chill of around -40.
Mainly sunny skies are expected tomorrow, with a high of -21ºC, and that sets the standard for the rest of the forecast.
Wednesday will be sunny, with a high of -20ºC; followed by a bit of a reprieve on Thursday, with ahigh of -14ºC. Temperatures drop a bit after that, although clear and sunny skies stick around, with a high of -18ºC on Friday.
At this point, the weekend forecast calls for sun, with a Saturday high of -16ºC and a Sunday high of -18ºC.
The normal high for this time of year is -10ºC; the normal low is -20ºC.
The warmest it's ever been on this date was in 1954, when it was 5.6ºC; the coldest ever was in 1974, when it was -38.3ºC.