A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...

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

In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.

The blast of cold that fueled record snowfall across Gulf Coast beaches last week was just the latest to transport frigid air that normally swirls above the North Pole to places much farther south - a ...

Cold temperatures are expected to last through the end of the month — and forecasters say that there's a potential for snow ...

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

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

Colder air is returning to the central and eastern U.S. as the polar vortex becomes more active, bringing fluctuating ...

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.

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

The polar vortex is bringing bitter cold and snow to NJ this weekend. Here's the weather forecast, from timing to how much ...