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

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.

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

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

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

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 ...

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.

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

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