Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

With the Northern Hemisphere well into the winter months, it may seem like temperatures are cold enough already. However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

This browser does not support the Video element. Dust off the parkas. After a mild December, the polar vortex is set to send an arctic blast into the U.S. later this week. "That polar jet will be ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A satellite image showing a large area of low pressure, from the polar vortex, moving into the ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...

It's only early November, but here comes the “polar express,” weeks ahead of schedule. A cold blast more typical of early December will stretch from the Northeast all the way down the Atlantic Coast ...