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?

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

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 ...

NOAA has released its long range outlook for South Carolina. Here's a look at how cold it could be in 2025-26.

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

The polar vortex is a large region of low pressure and cold air that has always existed around Earth's poles. While the polar vortex is weakening for the season, it does not directly cause winter ...

The polar vortex is beginning its seasonal strengthening, signaling a gradual shift toward cooler weather. Frost advisories were issued in parts of the Great Lakes region, New York, and New England as ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter. The polar vortex is an area of low pressure and cold air that ...

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