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 ...

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

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

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

Those struggling with high heating bills due to relentless cold and sore backs from shoveling snow in the Midwest and ...

CHICAGO — The polar vortex is back and the forecasts are dire: A quick punch of snow, followed almost immediately by a life-threatening level of cold that a generation of Midwesterners has never ...

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

NEW YORK — Another round of bone-chilling air from the Polar Vortex could invade the central and northeastern U.s. this weekend and potentially produce the first significant snowstorm of the season ...

(NEXSTAR) – A good chunk of the country could be in for cooler-than-average temperatures this Thanksgiving and beyond. The most recent outlooks from the National Weather Service’s Climate Prediction ...