Vigilance and preparation are important, say forecasters at the NWS, as wintry weather brings hazardous travel conditions.

Several states were under either winter storm warnings or winter weather advisories from the NWS early Monday morning.

Delivery times for post in over half the country could be impacted due to hazardous weather, the U.S. Postal Service said.

More than 220 million people across the United States are facing dangerous cold that will also open the door for a ...

Snow totals in Louisiana have broken records. Parts of Florida, Texas and Georgia have also accumulated several inches of ...

As new Arctic air enters the United States, NWS meteorologists warn about the “most intense” snow storm of the season.

Follow NBC News live updates for the latest coverage of the freezing winter weather affecting large swaths of the U.S., from ...

Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, ...

A once-in-a-generation winter storm event is underway in the southern United States, which is forecast to have significant ...

FLORIDA residents have been shocked to find snow on the ground as a historic winter storm is set to sweep through the ...

Florida Gov. Ron DeSantis has declared a state of emergency for the state of Florida ahead of a major winter storm sweeping ...

Parts of North Florida are experiencing winter weather on Tuesday afternoon as a winter storm warning has been issued for the ...