An impending polar vortex is set to plunge temperatures across the eastern US into the 30s and 40s. The National Weather Service warns of significant cold and snow.

The Arctic blast will be more typical of early December in the Berkshires, with nighttime snow showers Monday through ...

A "shocking" Arctic blast – with temperatures more akin to mid-January than early November – is poised to overspread the ...

Florida Fish and Wildlife Conservation Commission officials said iguanas can become either immobilized or sluggish when ...

An Arctic front is diving deep into the United States this weekend, sending temperatures plummeting across all 48 contiguous ...

The polar vortex is an area of low pressure, a wide expanse of swirling cold air that is parked in polar regions, according to NOAA.

The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero ...

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

COLUMBUS, Ohio — Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into central Ohio and much of the northern 2/3 of the United States and bringing teeth-chattering but ...

A blast of arctic air could bring temperatures cold enough for the Panhandle to see its first freeze of the season.

A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans from the Deep South to the Northeast Saturday going into next week. The ...

Bitter cold temperatures are expected to continue throughout the week in Chicago, with wind chills plunging to minus 20, the National Weather Service said. A cold weather advisory is in effect until ...