An arctic air mass sprawling across the eastern, central and parts of the western U.S. on Monday will channel temperatures 20-30 degrees below already historically cold January averages and was poised to slam parts of the South with a disruptive winter storm.

It has been cold and windy with more sunshine today, and it is going to get even more frigid during the overnight hours tonight. This evening through late Monday morning, an Extreme Cold Warning is in place as wind chills could drop into the single digits for some inland spots.

The northern Gulf Coast is bracing for a blast of arctic air and a powerful winter storm early next week, bringing dangerously cold temperatures, icy conditions, and snow. The cold air will begin arriving late Sunday,