The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe ...

Frigid temperatures across a large US area complicated efforts Tuesday at restoring power and clearing roads after a major ...

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is ...

The next round of bitter cold was set to envelop the southern U.S. on Tuesday, after the first significant winter storm of the year blasted a huge swath of ...

The storm moved from the Rockies through the Central Plains, Ohio Valley and mid-Atlantic before exiting the U.S. Data from ...

Stockton weather is expected to grow increasingly windy Tuesday as a destructive windstorm tears through California. Here's ...

Northeast and north-central Florida counties, including Suwannee, Baker, Nassau, Union, Bradford, Gilchrist, Hamilton, ...

A winter storm is set to impact Texas, Oklahoma, and Arkansas starting Thursday, with snow and ice expected through the ...

Seven US states declared emergencies owing to the polar vortex of icy air that usually circles the North Pole.

A winter storm watch was issued for parts of North Texas as updated forecasts show DFW getting 3 to 6 inches of snow through ...

As a major winter storm batters the Midwest and East Coast, the National Weather Service is warning a destructive windstorm could hit Southern California.

Storm Blair is bringing heavy snow to areas in the mid-Atlantic region that haven't seen such weather in a decade.