A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.

An unseasonably fierce polar vortex is sweeping across the United States, thrusting nearly twenty states into a deep freeze ...

New York could see a return of Arctic air around Thanksgiving as models suggest a possible wobble in the polar vortex, ...

A major change in the stratosphere may reshape winter weather across the United States. Meteorologists say unusual warming ...

Wisconsin is in store for a warmer weekend, but could see a return of Arctic air around Thanksgiving as models suggest weakening in the polar vortex.

The consequences of such an event could be significant, potentially leading to colder and snowier conditions across much of the nation. Meteorologists emphasize that the dynamics of the polar vortex ...

The Polar Vortex serves as a powerful barrier that confines cold air within the polar regions. When this barrier weakens, frigid air can escape into mid-latitude areas, leading to severe winter ...

Michigan could see a return of Arctic air around Thanksgiving as models suggest a possible wobble in the polar vortex, which could push frigid air into the northern U.S.

Temperatures are getting colder, but the First Alert StormTeam is saying the region is about to see something that hasn’t ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

Swaths of central and eastern states have received much less snow than average over the past five winters – a trend that may ...

Brace yourselves; winter is coming. "Polar vortex" may have been the weather catchphrase of last winter, but it's coming back and it's bringing snow and freezing temperatures along with it. While it ...