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

According to climate scientists, record levels of Arctic ice in 2025 could increase cold spells in the United States and ...

Discover: The planet experienced its hottest year on record in 2023, so it may seem surprising that there’s been an outbreak of extreme cold across the U.S. Do cold snaps contradict human-caused ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is like a ...

During the winter the polar vortex spreads out, shooting cold air southward. Here's what to know as we head into the cooler months in South Carolina.

Bitter cold is expected across much of the U.S. this weekend. But what do headlines mean when they say a "polar vortex cold snap" is on the way? The polar vortex is a regular feature of Earth's polar ...

Chicagoans are no strangers to cold weather, but some of the terminology used to describe frigid conditions can be confusing. That’s why experts from the National Weather Service’s Chicago office — ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A wildfire camera caught the moments when a ...