Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning ...

WARNING! WARNING! WARNING! The Polar Vortex looks like it’s going to unleash its fury on Texas!! Windchill’s below zero and a ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there all ...

While February kicked off with some moderate conditions, next week looks to feature another incursion resulting from the destabilization of the polar vortex, in this particular event, a split.

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...

The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...