Millions Wake up to Extreme Cold as an Aggressive Arctic Air Mass Settles In

Millions wake up to extreme cold as an aggressive Arctic air mass settles in

By CNN Meteorologist Briana Waxman and Andrew Freedman (CNN) — An arctic air mass has descended into the US, and a disrupted polar vortex will keep the nation in the freezer at times deeper into December. More than 200 million people will wake up to freezing temperatures this week as the coldest air of the season spills across the Plains, Midwest, Great Lakes and into the Northeast in the wake of the latest winter storm to sweep across the count…

Snow showers give way to Arctic air across Mid-Michigan

Clouds will begin to decrease overnight as snow showers depart. That clearing will help temperatures to take a steep dip. Lows will wind up around 10 degrees in most neighborhoods, with winds chills in the single-digits by daybreak. Arctic high pressure over the Dakotas will gradually settle in over the Great Lakes region on Thursday. Upside is, we get partly to mostly sunny skies out of the deal. The downside, high temperatures will clock in cl…