A winter storm prompted a National Weather Service office in Louisiana to issue a first-ever blizzard warning. The storm is ...

Arctic air will loosen its grip on the Weather First area heading into the second half of the week as temperatures are ...

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 ...

LITTLE ROCK, Ark. — Very cold arctic air has filtered into Arkansas, with the coldest impacts expected Sunday night through Wednesday morning. Due to the nature and duration of the extreme cold, a ...

What happens in the Arctic doesn't stay in the Arctic,' says a conservation lead and climate expert on the accelerated warmth ...

Erin Davis/Axios VisualsA powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week ...

The air moving into Michigan early next week will originate in Siberia. We are probably just lucky the Great Lakes still have ...

Winter’s most potent Arctic blast yet is about to unleash dangerously low temperatures that will be the coldest to hit the ...

"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 ...

Christy Climenhaga with Environment Canada says right now there is a change in our weather pattern as a large ridge of high pressure is allowing Arctic air to flow south. She notes this will lock in ...

Map showing projected temperature anomalies in the lower atmosphere on Wednesday, with widespread colder-than-average temperatures across Louisiana. Image: Pivotal Weather ...