CHICOPEE, Mass. (WWLP) – Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, ...

Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, a natural atmospheric phenomenon responsible for recent waves of intense cold air.

National Weather Service (NWS) offices are keeping a close eye on the weather setup and could issue Extreme Cold Warnings.

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

Persistent polar vortex disruptions will funnel repeated rounds of arctic air and snow across the Eastern United States this ...

Windchill temperatures as low as minus 30 degrees are a risk to life, forecasters said.

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

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

A disrupted polar vortex will unleash a series of bone-chilling Arctic outbreaks across the eastern United States this month.

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

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

Rather, warmer weather is forecast across Metro Detroit through the week, with temperatures returning to seasonal averages ...