Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

With La Niña conditions in place, some parts of the U.S. are already experiencing record cold temperatures —and more could be on the way. Meteorologists warn that this week will see yet another polar ...

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

Forecasters are tracking new polar vortex changes that could reshape early December across the U.S. How will this affect ...

NEW YORK — Millions along the Interstate 95 corridor on the Northeast coast will see their first significant winter storm of the season this weekend, as a fast-moving system takes advantage of ...

The polar vortex is so back, and in some parts of the country, the weather system will bring with it up to a foot of snow. If “polar vortex” is giving you déjà vu, that’s because we’ve heard it before ...