Most of Virginia is expected to receive 1-4 inches of snow on Monday, just three days after a similar snowfall covered all ...

Multiple rounds of snow are expected through Wednesday and dangerously cold temperatures will arriving by the week’s end, ...

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

The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.

Snow is expected to fall again in central Illinois, starting Saturday night, Dec. 6, according to the National Weather ...

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

A clipper storm, as defined by the National Weather Service, is a fast-moving storm that drops into the U.S. over the Great ...

The Arctic polar vortex is expected to move south, which some say will lead to the coldest, harshest winter in years. Wyoming ...

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

More Arctic air is building over northern Canada and will be directed into the United States, courtesy of the polar vortex. How long will the cold waves last? Will it stay cold through Christmas?

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 ...

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 ...