The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

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

A polar vortex is bringing cold temperatures to the U.S., impacting Utah as well. Utah will experience its coldest temperatures this winter, though less severe than areas east of the state. Emergency ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

Let’s give a warm Jersey welcome to the visiting polar vortices. That, of course, smacks of insincerity since there’s nothing ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

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

The wind chill reached minus 27 and a fan nearly lost his fingers on a frigid night a year ago in Kansas City.

Georgia has officially seen snow. But as the next cold front arrives, will the state see more? Here's what you need to know.

NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...