After a weekend of snow in the Midwest, the winter weather is focused farther south on Monday, with snow hitting Virginia, ...

More than 18 million people are under winter weather alerts across the West and Midwest as storms are forecast to bring heavy ...

The National Weather Service issued a winter weather advisory for Milwaukee, Waukesha, Racine, Kenosha, Jefferson and ...

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

Several inches of snow are expected to fall on Dec. 2 in the Northeast and Mid-Atlantic, with freezing rain and iced-over ...

Wintry conditions sweep across the U.S., producing below-average temperatures, winter weather watches and flood watches.

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

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

Such events distort the polar vortex, which causes Arctic air to descend into the U.S. and causes temperatures to plummet.

After a cold start to December, the NWS forecasts a sunnier, warmer period for the next few days, followed by a drop in temperatures this weekend.

Traveling to your Thanksgiving destination may be smoother than heading home, with a cross-country storm possibly bringing rain and snow over the long weekend.

Snow, high winds and below-average temperatures are sweeping from the Rockies to the Midwest, while an atmospheric river threatens flooding in the Pacific Northwest.