Bitter cold BLAST: The coldest day of the season is coming in early December as the Arctic Circle has been opened and cold air is freely streaming into our area. Temperatures will continue to be 10 to 15 degrees below normal.

The Weekend: Another weather system comes from the north on Saturday, you can see it dragging cold temperatures down along with it .

One Sunday the gateway to the bitter cold air is opened up again and we see highs just getting into the middle 20s. You can see very cold air which follows the path all the way to the arctic. Temperatures don't moderate much at the 850 mb level with -15 Celsius.