Extreme weather is sweeping across the United States. Last week, the polar vortex peaked, bringing freezing temperatures to ...

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

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

Another arctic blast has sent temperatures plummeting across the United States, bringing “life-threatening” wind chills and ...

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most ...

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...

WASHINGTON (AP) — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic ...

the polar vortex remains in place and strong, but it also just pulls and bends. Stretch outbreaks are usually slightly milder ...

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

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

Some big fronts are slated to pass through our viewing area over the next few days. Will this be the final move of winter ...

Computer forecast models say that the polar vortex is likely to stretch again, sending cold air south somewhere and probably to the United States, around March 5, Cohen said. This is quite late ...