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

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

The United States is expecting another hit by the polar vortex starting this weekend. Here's what's expected in South ...

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

We may have some warmer days ahead, but beware the dip to come in Western North Carolina. Here's how the polar vortex will ...

Several states across the Northeast and into the Midwest are expected to experience unseasonably cold temperatures this ...

"Another shot of arctic air is on the way for next weekend," the NWS said.

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

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

For the last couple of days, much of the Midwest and eastern United States has been feeling the effects of a blast of Arctic ...

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 ...