Strange things are happening in the sky above the Arctic — and they’re freezing the U.S. in unexpected ways. A new study reveals how shifting polar vortex patterns explain why parts of the country ...

Hundreds of flights have been delayed across the U.S. amid Thanksgiving holiday weekend winter storm concerns. Bitterly cold temperatures and heavy snowfall are expected this weekend across large ...

American Airlines and Southwest Airlines canceled 18 flights from Phoenix to five U.S. cities on Wednesday. What to know if you're flying.

Behind the storm is an Arctic blast. At least nine states from Georgia to Delaware are under snow and ice alerts as a winter storm moves east -- with brutal, record-breaking cold temperatures in ...

A winter storm hit the Plains and the Midwest, and will leave the Northeast and New England areas with snow and rain that will impact travel.

Earth Science Gigantic Winter Storm Set to Sweep Across 14 U.S. States Storm warnings are in effect in the Plains, the Midwest, the Great Lakes, and the mid-Atlantic through tonight.

More than 90 million people were under winter weather alerts overnight, with the heaviest snow due for northern Kentucky into West Virginia.

Winter storm warnings had been issued for 11 states from the National Weather Service (NWS) Tuesday morning, with more snow forecast to hit parts of the country.

Winter Storm Freya whipped from the Midwest into the Northeast Thursday, coating roads in slick ice from Baltimore up the I-95 corridor, making for dangerous commutes and forcing school closures ...

Weather Alert Days: A winter storm continues to intensify, bringing accumulating snow and strong winds that will create hazardous conditions. Winter storm warnings remain in effect until midday ...

People in 13 states were warned of heavy snow and hazardous travel on Friday as multiple winter storms threaten.