A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

Arctic air is already gripping much of the country, and the obvious concern for families from Atlanta to Albany is whether ...

A winter buzzword, explained.

The polar vortex that has locked much of the country into a deep freeze is finally loosening its grip, and the atmosphere is already lining up a very different pattern. Forecasts point to a sharp but ...

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

Waves of frigid air will continue to be released into much of the eastern United States through at least the middle of the month. The ongoing pattern may trend stormier with areas of snow and ice ...

The East may have been plunged into a deep freeze this winter, but a hot, dry winter in the West is raising alarms among ...

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

National Weather Service (NWS) offices are keeping a close eye on the weather setup and could issue Extreme Cold Warnings.

The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

Face it — "polar vortex" is fun to say. It sounds like something that could have killed a red-shirted crewmember on the original "Star Trek" television series. Maybe that's why a weather feature that ...