Numerous Associated Press News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Dangerous winter weather is ravaging the nation from California through the northern Plains. The storms have trapped drivers on icy roads, knocked out power to hundreds of thousands and grounded hundreds of flights. For the first time since 1989, the National Weather Service issued a blizzard warning through Saturday for Southern California mountains. Forecasters predict as much as 3 to 5 feet of snow could fall in the Sierra Nevada region on Thursday. They said the intense moisture in the air also raises the risk of flash floods across Southern California.

Winter storms are sowing more chaos across the U.S. The weather shut down much of Portland after the city experienced its second snowiest day in history and paralyzed travel from

Dangerous winter weather is ravaging the nation from California through the northern Plains. The storms have trapped drivers on icy roads, knocked out power to hundreds of thousands and grounded

Dangerous winter weather is ravaging the nation from California through the northern Plains, and Arizona has not avoided the storms.

Dangerous winter weather trapped drivers on icy roads, knocked out power to hundreds of thousands and grounded multiple flights from California through the northern Plains on Thursday.