Roughly 185 million people are under winter alerts today as dangerous cold grips much of the central and eastern U.S. Wind chills in some areas are as low as the minus 20s and minus 30s, and temperatures are 10 to 40 degrees below average.

More Arctic blasts coming down from the north will be sweeping across the country this week. Will we see snow again this weekend?

Major ice storm threatens US with dangerous subfreezing temps | See Florida impacts

This historic storm will spread destructive ice and heavy snow over 34 states through Monday in the South, Midwest and Northeast, including a potential nor’easter. Here is the very latest forecast.

As millions of Americans prepare for a brutally cold, snowy weekend, southerners are bracing extra hard.

• Widespread threat: Two-thirds of the US population is facing down a monster winter storm and extreme cold. The storm’s snow and ice will stretch over 2,000 miles from Texas to New England as it tracks east through the weekend.