The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is the first frost in Tennessee?

Winter is approaching, and millions of Americans are wondering what Mother Nature has in store for the coming months. Will it ...

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen, ...

In a month when a meteorologist said the polar vortex is ramping up, slightly less than half of Kansas has seen its first ...

La Niña conditions are expected to start influencing South Carolina’s weather. Historically, La Niña Novembers have featured ...

STATEN ISLAND, N.Y. — If you’ve been keeping a tab on winter forecasts, you’ve likely heard the term “polar vortex” and the potential impact it may have on the upcoming season. But exactly what is the ...

The polar vortex is shifting in ways that could unleash extreme cold, violent storms, and unstable weather patterns across ...

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 ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not ...