It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

The polar vortex’s icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

An Arctic blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...

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

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how ...

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...

How Alaska’s cold keeps ending up in the Lower 48 A few atmospheric factors — including the polar vortex — have come together to make the US the epicenter of cold this winter. One is a ...