A snow storm has caused chaos on an Oregon highway, with up to 30 vehicles involved in a large pileup. Several people were injured and four people were taken to a local hospital with minor injuries. An SUV involved in the accident caught on fire,

Snowflakes started falling across the Willamette Valley this morning — dusting roads, plants and backyard furniture with white flurries. As cold weather moves across the state, much of Oregon is under winter storm or weather warnings from the National Weather Service through Friday.

Southern California could get as much as 6 inches of rain in the mountains and 3 inches in coastal areas and valleys before the system moves out.