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

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 ...

More than 400 flights were delayed or canceled at Denver International Airport on Monday as a polar vortex continued to ...

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

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

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

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

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

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

Arctic air moved south, into the area starting late last week and has lingering since. This has lead to dangerously cold ...