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

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other ...

A winter buzzword, explained.

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

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of ...

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

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

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

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

Persistent polar vortex disruptions will funnel repeated rounds of arctic air and snow across the Eastern United States this ...

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 ...