A polar vortex is expected to bring snow and ice to 26 states and D.C., threatening travel with blizzard conditions and record-low temperatures.

Another massive winter storm is forecast to pummel the southern and eastern U.S., with impacts from Texas to the Carolinas.

The Montana and Wyoming mountains will see the heaviest snow, with up to 2 feet expected until 6 p.m. local time on Sunday.

Several states across the U.S. are under alert as the new storm system approaches. Texas, Oklahoma, Arkansas, Louisiana, and Missouri have severe weather alerts in effect through Friday, January 10. Meanwhile, Tennessee, northern Alabama, and parts of Indiana and Kentucky will remain under warnings through Saturday.

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with Donald Trump's inauguration expected to be the coldest in 40 years.

Fire danger remains high in parts of Los Angeles that have been ablaze for days, but calmer weather may finally be on the horizon.

Oil prices rose more than 1% on Thursday as cold weather gripped parts of the United States and Europe, boosting winter fuel demand.

A powerful polar vortex is sweeping across the United States, bringing dangerous blizzard conditions and heavy snowfall to multiple regions. The National Weather Service (NWS) has issued winter ...