The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than ...

Arctic blast, polar vortex and Alberta clipper are all explained as Kalitlyn McGrath breaks down what makes winter weather so ...

Polar vortex will hit the US with snow, cold and storms before Christmas. Will Mississippi weather turn frosty? What we know ...

"Arctic air will bring near record cold temperatures and dangerous wind chills," the National Weather Service said.

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

Washington D.C. activated an Extreme Cold Alert on Thursday as overnight temperatures will be as low as 20 degrees with a wind chill. An Extreme Cold Alert occurs when the National Weather Service ...

Polar vortex will hit the U.S. with three waves of snow, extreme cold and storms. Will Mississippi weather feel the chill?

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

Expected to deliver the lowest temperatures of the season so far for much of the northeastern United States, the outbreak of ...

There’s no denying it. It’s really December. -40 -20 0 20 32 Source: NOAA Two separate shots of cold Arctic air moving down from Canada are predicted to send temperatures across a portion of the ...

With the bitterly cold temperatures moving in it is good to know how and why this happens. The Polar Vortex is going to impact us this year but do you know what it is and how it works?

A powerful arctic blast is on track to impact over 200 million Americans, bringing temperatures even colder than the last wave. Over 30 record lows could fall across 15 states later this week, as many ...