The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

Are you over the cold yet? Astronomical winter is more than a week away, and the subfreezing temperatures on most days have ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

A polar vortex is a large, low-pressure system of cold air that typically resides near the Earth’s poles, surrounded by ...

Much of the U.S. will experience the cold weather, with Floridians facing the threat of frost later this week.

A cold front from an expanding polar vortex brought chilly temperatures to North and Central Florida. Temperatures are ...

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

As one blast of Arctic air pushes out to sea, already a new surge of cold air, driven by a breakdown of the polar vortex, is ...

A fresh surge of Arctic air from the Polar Vortex is poised to plunge into the central and northeastern United States this ...

The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.

Another round of bone-chilling air from the Polar Vortex could invade the central and northeastern U.S. this weekend and ...

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