The displacement of the polar vortex over the eastern half of the U.S. will usher in days of Arctic cold through the end of ...

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

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

A forecast map reveals which states can expect to see “persistent cold” in the weeks ahead, after experts said the polar ...

During the winter months, many of us are no stranger to chilly temps and downright unbearable cold. However, Mother Nature ...

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

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

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

And it won’t just feel cold: A series of clipper storms is also expected to bring snow to the region beginning on the evening ...

The polar jet stream, which is affected by the polar vortex above it, has become quite wavy, allowing Arctic air to ...

DON'T MISS: When is the cold too cold? How extreme cold warnings are issued ...

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