Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

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

Temperatures could fall below -20 F across certain parts of North Dakota and Minnesota.

"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

The polar vortex is set to bring a winter storm to parts of Mississippi with ice, snow. But extreme cold will last for days.

A powerful winter storm, influenced by a polar vortex, is impacting much of the U.S., bringing heavy snow, ice, and extreme ...

Places facing 0cm snow depths on February 9, in the next UK snow bomb, include Devon, Dorset, Cornwall, Wiltshire, the Isle ...

A massive winter storm named fern is set to sweep across much of the United States, bringing snow, ice and extreme cold. Over ...

Heavy snow, ice and brutal cold are expected to make this winter storm a potentially life-threatening weather event, ...