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

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

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

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 ...

Most of the current cold snap, which swept in a few days ago, should have passed, but temperatures remain dangerously low.

WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

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