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.

Hundreds of thousands of people are without power as heavy snow and ice has downed power lines across the country.

Millions across the country, including much of North Carolina, are dealing with a mix of ice, sleet and snow as the winter storm moves east.

One of the most extreme and expansive storms in years is coming. Here’s what to expect and when.

Forecasters are expecting the storm could be the worst of the winter season.

Watch the storm's impacts on several parts of the country in webcams and livestreams below: Kansas City (wow!)

Major winter storm threatens mail delivery across more than 30 states as the USPS issues service alerts for widespread delivery disruptions.

A powerful winter storm is likely to affect mail delivery across nearly 36 US states. USPS warns snow, ice, and extreme cold could delay packages and letters for days. Millions may face travel trouble,