The tenth and coldest polar vortex of the season is blasting across the US this week. More than 58million Americans are under ...

As the polar vortex begins to stir, subtle clues point to the coming seasonal shift. So, when will freezing temperatures arrive in Indiana?

A powerful winter storm system that swept across the eastern United States over the weekend, killing at least 10 people, has now shifted westward, with a polar vortex expected to grip the Rockies and ...

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 ...

NOAA's seasonal precipitation outlook map for winter 2025. The weather service's outlook ... at 10:03 a.m., according to the ...

Temperatures are staying relatively warm throughout Illinois this week, despite fall officially starting Sept. 21. But ...

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 as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

Indiana can expect dry temperatures around the state at the beginning of October. Although fall kicked off earlier this week, it'll be a little while before we are affected by a polar vortex. Hoosiers ...