Update: Extreme cold warning ends for Grande Prairie region
Update: December 28: The extreme cold warning has ended for the Grande Prairie-Beaverlodge-Valleyview forecast area, as well as the Hinton Grande Cache area.
Update December 27 at 11:43: Environment Canada says wind chills between minus 40 and minus 55 are expected to continue throughout the day on December 27.
The weather office says these extreme cold conditions could persist into next weekend in areas of northern Alberta.
Environment Canada says all of Alberta and most of British Columbia and Saskatchewan, along with parts of Manitoba and Ontario are under extreme cold weather warnings.