As the polar vortex stretches its icy grip, America braces for a winter like no other. Discover the forces behind this ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

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 big winter weather challenge has now come and gone in the form of last week’s polar vortex. The Eastern railroads got doubly lucky as they also had to contend with Winter Storm Enzo, a rare ...

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.

Dew points — a measure of humidity in the air ... could have fallen to -40° F or lower with the extremely dry Polar air mass in place and deep fresh powdery snow pack of about 2 feet ...

The D.C. area is wrapped up in a polar vortex, and this cold weather can wreak havoc on your plumbing if you’re unprepared. These extremely cold temperatures can freeze and burst a water pipe in ...

As the polar vortex delivered what is expected to be its final blast across southern Ontario on Wednesday, city residents braved the bitter cold — including Fintan the lion at the Toronto Zoo.

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 ...

But is Wisconsin in a polar vortex? And what is a polar vortex anyways? Here's what to know. What is a polar vortex? A polar vortex is a low pressure area where air swirls counterclockwise keeping ...