Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

With the polar vortex intensifying next week, the jet stream will acquire strength, however, in an approximate west-to-east pattern across the U.S. and southern Canada, AccuWeather senior ...

While forecasters can't yet say for sure, a warmer stretch of weather appears likely for much of the nation. Here's when to ...

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

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

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of unseasonable warmth, which has left many mountain ranges in a snow drought. A major ...

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of ...

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

You’ve probably heard the term “polar vortex” a lot this winter. But what is it exactly? Imagine a “whirlpool” of cold air that sits high above the Arctic. That is the polar vortex. It’s not a ...

Every inch of Texas was impacted and eventually covered by a Winter Storm Warning. It was the coldest winter storm for Texas ...