A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

This coming weekend, the central and eastern United States will receive a blast of Arctic air, which will also affect ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will temps ...

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

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

A polar vortex system is expected to bring two or more cold waves to Florida this week. Temperatures in North Florida could ...

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 ...

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

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

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 ...

So far in December, temperatures in Central Park are running over 7 degrees colder than normal, a huge departure compared to ...