The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the ...

Michigan and the Great Lakes are bracing for another cold shot later month as a polar vortex split in the stratosphere nudges ...

The Eastern U.S. is finally enjoying some springlike warmth, but meteorologists say temperatures could plummet again in mid-to-late March.

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

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.

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

A January thaw that brought widespread record warmth to the United States is coming to an end. It will be replaced by the familiar polar vortex pattern that caused below-average temperatures in the ...

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and what might happen next.

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

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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 ...