A week-long, unusually cold Arctic outbreak will bring frigid conditions to most locations east of the Rockies starting today ...

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

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in ...

Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In ...

LOUISVILLE, Ky. (AP) — Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and ...

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

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

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

A winter weather advisory for Columbus, Franklin County and other central Ohio counties is in effect from 8 p.m. Wednesday to ...

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

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas. CBS News correspondent Nicole Valdes reports on the historic low temperatures ...