Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

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

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

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 ...

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 expect in Tennessee.

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

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 ...

Will the polar vortex change Alabama’s winter outlook and could it set the stage for a white Christmas? Here’s what we know so far.

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...