Here's the forecast from Environment Canada as of 5am:
Today..sunny. High -5C.
Tonight..a few clouds. Low -16C.
Tuesday..increasing cloudiness in the morning. High -4C.
Tuesday night..cloudy periods. Low -8C.
Wednesday..a mix of sun and cloud. High 3C.
Wednesday night..cloudy with a 40% chance of flurries or rain. Low 3C.
Thursday..cloudy with a 40% chance of showers. High 8.
Thursday night..cloudy with a 40% chance of flurries or rain. Low -3C.