Another Arctic blast has been forecast to bring frigid air to a large section of the United States later in January.

Bitter temperatures are forecast to hit swathes of the U.S. this weekend as a polar vortex—the area of cold air that circulates around the Arctic—expands, with the National Weather Service predicting ...

Parts of the U.S. have been forecast to receive snow through Friday night, a forecast map by AccuWeather shows. Much of the country has been hit with plunging temperatures this month, and numerous ...

Myriad winter weather alerts and warnings remained in place across the U.S. on Tuesday as multiple states battled storms.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...