Expect periods of snow tonight, with an additional five-10 cm (two-four inches) of accumulation.
The overnight low will be minus-15 C (five F), with south-southeast winds gusting up to 13 km/h.
Tomorrow will see some morning snow, with a high of minus-nine (16) and low around minus-21 (six below zero).
Look for northwest winds gusting up to 15 km/h.
Mostly cloudy skies are forecast for Wednesday, along with a high of minus-10 (14) and low near minus-20 (four below).
Then Thursday also will be cloudy and colder, with a high of minus-20 (four below) and low plunging to minus-31 (24 below).
The extended outlook calls for bitter cold Friday, with a high of just minus-22 (seven below) and low around minus-29 (20 below).
The record high for today is nine (48) set in 1908 while the record low is minus-43 (45 below) set in 2011.
Normals are minus-nine (16) and minus-22 (seven below).
Sunset today is at 4:54 p.m., with sunrise tomorrow at 7:55 a.m.