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 ...

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.

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

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming weekend. A polar vortex is bringing Arctic air into the United States, and ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air ...

The stratospheric polar vortex is expected to strengthen at the beginning of 2026. This phenomenon typically leads to the following conditions: Reduced likelihood of extended cold air outbreaks across ...

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

Winter started quickly across most of Canada! Will a classic Canadian winter pattern hold through January and February?