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

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

A rush of Arctic air will plunge parts of North America into bitter cold this weekend, bringing heavy snow, strong winds and ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

This blast of cold weather is due to activity of the polar vortex.

Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days ...

It’s the "Bleak Midwinter" in the Northern Hemisphere – so, in case you’ve been living under a well-insulated rock, cold ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

It’ll be a memorable cold outbreak as gusty winds make the frigid air dangerously cold in many locations in the coming days ...

The polar vortex will be the most expansive in over a decade, encompassing all of Canada and parts of the States. Here’s what ...

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...