Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...

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

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

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

President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.

Marylanders are bracing for the upcoming polar vortex, expected to bring temperatures into the single digits early this week.

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

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

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...