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

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

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

An arctic blast will send temperatures across the United States plummeting as bitterly cold air that originated in Siberia ...

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

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

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

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

Perfect time to hop on a plane and go somewhere south,” FOX Weather Meteorologist Britta Merwin said. “Like, really, really far south.” ...

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 series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...