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 ...

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

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

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

We've already fallen as low as 1° this year. Another dip in the polar vortex makes that possible for Cincinnati again next week.

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 snow, freezing temperatures, lows in the teens next week. Know how to prep your home, family, pets for the cold.

When this vortex weakens, it can send frigid air from the Arctic southward, bringing dangerously cold temperatures to mid-latitude regions like the southern United States. In 2021, the polar ...

"This occurs fairly regularly during wintertime and is often associated with large outbreaks of Arctic air in the United States," NWS has said. Like the jet stream, the polar vortex spins around ...