January is about to get frightfully colder in parts of the US and it’s time for the first polar vortex of 2025. While such weather phenomena are common at times, the upcoming polar vortex ...

The Arctic polar vortex, as described by the National Weather Service (NWS), is a strong band of west-to-east winds that forms in the stratosphere, 10 to 30 miles above the North Pole, during winter.

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

When the polar vortex gets weaker, or breaks up, it unleashes cold air to the south. People bear the cold in New York City, December 23, 2024. Selcuk Acar/Anadolu via Getty Images ...

A graphic depicting the science behind a polar vortex. Forecasts suggest it will bring cold air to much of the U.S. in early 2025. NOAA. During winter in the Northern Hemisphere, the polar vortex ...

Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar vortex is forecasted to blanket most of the continental United States in ...

Very Cold Weather Is Coming. US About to Get 10th and Chilliest Polar Vortex This Winter The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter ...

News; US News; Weather; Polar Vortex collapse sees mercury plunge as freezing 'extreme conditions' sweep US and Canada Millions of Americans were hit with blustery blizzards last month when a ...

Polar vortex collapse set to cause extreme winter weather and sub zero temperatures across US. By CHRIS MELORE, ASSISTANT SCIENCE EDITOR FOR DAILYMAIL.COM. Published: 19:05 EDT, 4 March 2025 ...

Highways, including major routes like I-64 and US Route 41, were also shut down due to snow and ice. The polar vortex also left over 300,000 without power in Kentucky, Indiana, Virginia, and West ...

Extreme weather and life-threatening cold temperatures are set to hit western states near the Rocky Mountains - after severe flooding killed at least 10 people in the eastern US over the weekend.