Oct. 16: This still frame from video provided by KABC-TV shows some of hundreds of big rigs and cars stranded on State Highway 58 near Mojave, Calif.
Oct. 16: Los Angeles County firefighter use a front end loader to clear mud after a flash floods the day before sent mud and debris through Elizabeth Lake road in Leona Valley, Calif., trapping cars and closing roads.
Oct. 16: A truck sits trapped by mud off of Elizabeth Lake Road in Leona Valley, Calif.
Oct. 16: Traffic is diverted off the southbound Interstate 5 at Castaic, Calif.
In a photo provided by Robert Rocha, cars on a road are stopped because of flooding, with some stuck in the mud in the distance, in Lake Hughes, Calif.
Oct. 15: Debris sits along Interstate 5 at Fort Tejon, about 75 miles north of downtown Los Angeles.
Oct. 15: Vehicles are stopped in mud on California's Interstate-5 after flooding.
A section of Southern California found itself waist-deep in mud as the weekend arrived, and a highway overtaken by flowing debris looked like a buried junkyard of hundreds of cars that would likely take days to dig up. The worst of the thunderstorms had passed, but the continued chance of rain could dampen cleanup and relief efforts in northern Los Angeles County's Antelope Valley, where the most serious slides occurred. -Associated Press