The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...

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

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.

A major polar vortex is about to impact the United States — and it could usher in weeks of frigid temperatures for millions of people, even bringing snow to Florida.

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still ...

This coming weekend, the central and eastern United States will receive a blast of Arctic air, which will also affect ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

The "polar vortex" talk becomes really popular each year. It usually doesn't surface until winter. Still, this season, the eastern U.S. is getting a shot of frigid air as this infamous polar vortex ...

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...