A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

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

A polar vortex is about to impact the United States and deliver what the National Weather Service has described as “the coldest air of the season to date.” ...

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar vortex affects the weather.

NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of ...

January is shaping up to be the coldest in a decade as the polar vortex dips south across the eastern half of the United States — shocking a nation that has enjoyed an unusually balmy end of the ...

Atmos Energy has shared some ways to save money and energy during the colder weather as the polar vortex bears down.

Wind chill values are expected to drop below 10 degrees, with some locations seeing wind chills closer to zero. Forecasters ...

WRAL meteorologist Chris Michaels explains what the polar vortex is and why it's responsible for another blast of Arctic air heading our way.