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

"Very cold daytime temperatures will struggle to rise above the teens and single digits," the Weather Prediction Center said.

North Carolina is bracing for another major weather system that could bring widespread heavy snow, dangerous cold and near-blizzard conditions.

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

Tracking another Arctic front moving south from Canada into Oklahoma as we go into the weekend.  Right now it looks like the ...

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

Extreme cold warnings span several eastern states as of Friday, with meteorologists warning of frigid wind chills.

The warning affects Lauderdale, Colbert and Franklin counties, including cities such as Florence, Muscle Shoals, Sheffield, Tuscumbia, Red Bay and Russellville. The alert is in effect from midnight ...

Add Yahoo as a preferred source to see more of our stories on Google. A weekend storm system expected to affect Alabama has shifted north. As a result, the ice threat has decreased for much of the ...