The National Weather Service Los Angeles, which covers Los Angeles, Ventura, Santa Barbara and San Luis Obispo counties, forecasts that parts of the county could see up to three inches of rain on Friday, Dec. 26.

Another wave of rain soaked parts of Southern California early Friday morning with more wet weather in the forecast. Flood watches were in effect for parts of the region, where already soaked hillsides prone to slides are picking up additional moisture from the storm fueled by an atmospheric river.

The potential for flooding remains high because parts of the ground remain heavily saturated. Weather officials warn that rainfall will quickly turn into runoff.

The the region's latest atmospheric storm dumped 6 inches of rain in the Los Angeles area with up to 18 inches of rain in the mountains.

Officials in Los Angeles and surrounding counties warned that the giant holiday storm could trigger "widespread flash flooding."

Powerful winter storms brought the wettest Christmas season to Southern California this week. Relentless winds and rain also triggered widespread debris flows and left homes halfway filled with mud. Rains were expected to ease Friday afternoon but there's still a risk of flash flooding near Los

WRIGHTWOOD, Calif. (AP) — A strong storm system that brought relentless winds, rain and snowfall to California this week was expected to ease Friday, but there was still a risk of high surf along the coast, flash flooding near Los Angeles and avalanches in the Sierra Nevada.

Much of Southern California is under a flood advisory as rain makes travel dangerous, while a snowstorm heads for the Northeastern U.S.

A California storm on Christmas Eve caused flooding and mudslides, and prompted evacuations, power outages, and travel warnings as heavy rains hit the region.