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

Something unusual may be brewing in the stratosphere, and meteorologists say it could change the course of the winter forecast. The atmosphere is at a "critical juncture," and what happens in November ...

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 ...

An Arctic blast is expected to bring below-average temperatures to the central U.S. and New England in late November and early December. A weakening polar vortex, influenced by a rare weather ...