More than an inch of rain fell in many areas, loosening Los Angeles hillsides burned bare by the recent blaze near the Pacific Palisades neighborhood.

The weather provided relief for crews working to contain wildfires, though rain over a burn area ups the chances of flooding and mudslides

Rain on its way to the Los Angeles area will be a welcome relief to firefighters still battling multiple catastrophic wildfires, but officials warned Sunday that flash floods and potential debris flows could be the trade-off.

Southern California received some much-needed rainfall over the last two days, which helped with the ongoing wildfire fight across the Los Angeles area. However, the return of the rain triggered Flash Flood Warnings,

The National Weather Service issued a flood watch effective from 4 p.m. Sunday to 4 p.m. Monday for areas in or near burn scars created by the Palisades Fire, Eaton Fire, Hughes Fire and Bridge Fire, the latter blaze of which burned 56,000 acres last fall.

There is a 10% to 20% chance of flash flooding and landslides in some recently burned areas of Los Angeles County, forecasters say, including the Palisades and Eaton fire areas.

Mudflows prompted the closures of at least some roads, including in Topanga Canyon and on parts of the Pacific Coast Highway.

More rain fell Monday on parts of Southern California after causing mudflows over the weekend, helping firefighters but boosting the risk of toxic ash runoff in areas scorched by Los Angeles-area wildfires.

Much-needed rain has begun to fall over Southern California, bringing relief to the drought-stricken region but also the threat of toxic runoff.