The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

Folks in the central and eastern United States may be wondering: Is winter on the way out? Here's what meteorologists say.

Right now, we don’t have any signs of extremely bizarre, warm weather. We don’t need that either in Michigan. Too much warmth ...

DC swings from a warm 50 weekend to a cold start to the week, with highs in the 30s and a wintry mix as the polar vortex and ...

I delivered my morning weather update, analyzing a significant shift in Michigan’s atmospheric patterns. These are the five ...

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

The cold weather appears to be here to stay in South Jersey, at least until mid-February. A polar vortex is expected to keep ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...

A Polar Vortex brought temperatures so cold in January 2014 that it froze Niagara Falls. Signals of a rare sudden stratospheric warming in the next two weeks have some forecasting an imminent Arctic ...

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

This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire.

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of ...