Environment Canada has posted a heavy snowfall warning for the north and central coast.
As of 8 a.m. PT there is blowing snow on Highway 37 between Terrace and Kitimat.
Traffic is down to a single lane on Highway 16, 60 kilometers west of Terrace because of an accident.
There also snow on Highway 16, east to Kitwanga.
And it's snowing and cold on Highway 97 from Prince George north to Mackenzie.
There are winter driving conditions on many highways in the central and southern interior as well, including the Trans-Canada Highway, after temperatures dropping well into the freezing range overnight.