Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

The effects of the polar vortex are expected to reach Texas on Monday and bring freezing or below-freezing temperatures ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

As of Saturday afternoon, the majority of U.S. states will experience some influence from a blast of Arctic air out of the north due to such a disruption in the polar vortex. 🥶 Extended Arctic ...

We've already fallen as low as 1° this year. Another dip in the polar vortex makes that possible for Cincinnati again next week.