There are "enhanced odds" for colder-than-normal temperatures in December, January and February, according to NOAA. The ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems ...

LOWELL, Mass. — Americans expecting the worst winter weather to slam the East Coast might need to look northwest instead. A major study spanning four decades reveals that severe winter storms are ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

A second bout of severe winter weather pummeled the central United States on Friday with freezing temperatures and icy conditions. It arrived just days after a massive winter storm, traveling from ...