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

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

Fueled by a disturbed polar vortex, 18 states and D.C. have had more snow than average into December. In some areas, snowfall ...

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

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

The current polar vortex event is triggering some of the lowest temperatures of the season and is impacting Americans in ...

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

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

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air ...

The polar vortex can commonly be disrupted during the winter and is known to cause an Arctic outbreak in the United States.

The Pacific Northwest is expected to see up to seven inches of rain this week, as the eastern United States braces for arctic ...

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