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

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...

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

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

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

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