Snow and ice in whiteout conditions contributed to as many as 30 cars involved in a pileup on a major highway connecting Oregon and Idaho, reportedly injuring several people, as a winter storm descended on the Pacific Northwest Thursday.

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, w

Most of the California coast is under a flood alert as torrential rain and mountain snow intensified over California Thursday morning, part of yet another atmospheric river storm, bringing a significant risk of flooding and landslides in areas recently affected by devastating wildfires.