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

The phenomenon could significantly disrupt U.S. weather later this month.

Add Yahoo as a preferred source to see more of our stories on Google. This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire this weekend ...

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

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

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

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.

Winter weather alerts issued as a powerful blizzard threatens the Northern U.S. Get the latest snow totals and NWS updates.

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

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather. How cuts to federal climate funds could threaten polar ...

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