A major weather pattern change underway across U.S. As we get into next week, the storm track looks really interesting.

The polar vortex is a huge area of cold air high up in the atmosphere that usually spins over the North Pole. Its position impacts where in the United States cold air can invade. When the polar vortex ...

A winter buzzword, explained.

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

The relentless winter of 2025-26 in the East is about to unleash its most brutal cold outbreak yet.

The Polar Vortex is expected to be impacted by a Sudden Stratosphere Warming, bringing cold air to the eastern US.

This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is it?

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

The cold weather appears to be here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep ...

While the Northeast braces for another frigid polar vortex, Oklahoma will experience unseasonable temperatures. Here's when to expect the shift.

During winter in the Northern Hemisphere, the polar vortex can often expand and send cold air south, often referred to as an ...