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 ...

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

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

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

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 ...

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

Up next: another visit from the polar vortex. An Arctic air mass plunges into the Lower 48 next week. This brings the potential for multiple nights with subzero wind chills in the Ohio Valley.

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.