It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...

The effects of the polar vortex are expected to reach Texas on Monday and bring freezing or below-freezing temperatures ...

Parts of Mississippi can expect freezing temperatures, lows in the teens in the coming week. Know how to prep your home, ...

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...