More than 100 vehicles crashed on Interstate 84 through Oregon, injuring multiple people and shutting down the highway for miles on Thursday.

A potent winter storm is threatening a mix of significant freezing rain and accumulating snow across a swath of the Pacific Northwest – including the Portland area – on Thursday, bringing warnings of power outages and multiple dangerous commutes.

More than 100 vehicles have been involved in a pileup on an Oregon highway Thursday, officials said. As snow batters the state, dozens of cars, trucks and semi-trucks have crashed into one another on a stretch of highway on I-84 near Multnomah Falls,

Power outages appeared increasingly likely, with officials around Eugene issuing a variety of warnings as they geared up for potential disruptions.

On Wednesday at 3:10 p.m. the National Weather Service issued an ice storm warning valid from 10 p.m. until Friday 4 a.m. for Central Oregon Coast Range Lowlands, Central Oregon Coast Range, West Central Willamette Valley,

On Thursday at 8:46 a.m. the NWS Sacramento CA issued a winter storm warning in effect until Friday at 4 a.m. The warning is for Shasta Lake and Mountains Southwestern Shasta County to Western Colusa County as well as Shasta County.

Snow and ice in whiteout conditions contributed to a pileup of more than 100 cars on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the

Officials in California distributed sandbags, prepositioned rescue swimmers and told residents to have their go-bags ready as the state prepares for an atmospheric river that could bring heavy rain, winds and flooding to areas recently ravaged by wildfires.

Evacuation orders and warnings were issued in areas where hillsides were burned bare by the Palisades Fire, which was the most destructive in LA history, over concerns about potential debris flows during thunderstorms.