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

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

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

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

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

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

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

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

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

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

Cold temperatures are set to continue into the weekend, but New England will feel another icy blast of Arctic air Sunday ...