Welcome to 'false spring,' New Jersey! A polar vortex split could bring bitter cold back to NJ, but how cold will it get and when? The latest forecast ...

Welcome to 'false spring,' New York! A polar vortex split could bring bitter cold back to NY, but how cold will it get and ...

The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places. How cold will it get in NY?

A rare and disruptive atmospheric event may soon unfold, raising the prospect of significant weather shifts across the U.S.

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

Meteorologists are currently monitoring a massive atmospheric anomaly as a significant disruption of the polar vortex begins to take shape this January. Researchers describe the current movement as ...

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 ...

A sudden stratospheric warming is when rapid warming occurs in the stratosphere, which can have a massive impact on our weather ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...