The developing storm system is forecast to bring heavy snow, crippling ice and severe weather across the country through the ...

Dangerously cold weather will put much of the United States into a deep freeze over the weekend as temperatures are expected to plunge by up to 40 degrees behind an Arctic airmass.

Extreme cold watches issued by NWS meteorologists are currently in place in parts of Colorado, Idaho, Indiana, Kansas, ...

Temperatures will plummet by up to 40 degrees this weekend as an arctic blast spreads across much of the U.S., including the ...

A big winter storm moved into the Mid-Atlantic on Monday after bringing blizzard conditions to the Plains. See the latest impacts and forecasts.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...