Torrential rains unleashed flash floods and warnings of debris flow across southern California, particularly in fire-scarred areas, with further downpours forecast for Thursday as authorities declared a state of emergency in several counties.

A powerful atmospheric river batters California with floods, mudslides, and outages as Gov. Newsom declares emergency in multiple counties.

"The flooding levels we're looking at are potentially historic in nature," Gov. Bob Ferguson said Thursday afternoon, urging people to listen to official advice and follow evacuation orders.

An atmospheric river, low pressure system and wildfire burn scars are a volatile mix for southern California this Christmas. Here's what we know.

Firefighters were also going door to door to check on residents, and the area was under a shelter-in-place order, local officials said.

National Guard troops went door-to-door early Friday to evacuate a farming city north of Seattle as severe flooding throughout western Washington stranded families on

A powerful holiday storm is relentlessly lashing California, unleashing torrential rain, flash floods, and dangerous winds across Southern California. Authorities have issued GREAT DANGER warnings as swollen rivers,

Heavy rains drench Southern California, spawn flash flooding, mud flows Torrential rains unleashed widespread flash flooding and mud flows across Southern California on Wednesday, as authorities warned motorists to stay off roads while urging residents in flood zones to evacuate or shelter in place.