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

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

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

Snow and winds are likely to disrupt traffic, trigger flight cancellations, and cause headaches for people traveling to D.C.

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

An Arctic blast arrived in central Ohio on Monday, bringing with it the coldest air that central Ohio has felt in more than ...

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

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

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