The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. This means gradual cool-downs, although Kansans may not feel the chill quite yet.

The forecast released Oct. 16 predicts where above- or below-normal temperatures and above- or below-normal precipitation are ...

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

A cold winter is in store for those in the northern U.S., with milder temperatures across the southern tier, according to ...

CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

“It looks to be an intense and stormy winter for certain areas of the country, particularly across the Midwest, Great Lakes, Ohio Valley, Northeast and parts of the mid-Atlantic,” AccuWeather Lead ...

The polar vortex, a mass of cold air over the Arctic, is beginning its seasonal strengthening. A strong polar vortex typically keeps the coldest air locked near the North Pole. A weaker or wobbling ...

The polar vortex is beginning to stir, signaling a gradual shift toward cooler fall weather in the northern U.S. Tennessee is expected to see mild temperatures through December, with the average first ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

The Earth's polar vortex is strengthening, signaling a gradual cooling and a more active storm track across the northern U.S. North Carolina's first freeze typically occurs between late October and ...