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 wet weather will bring relief to Southern California after a prolonged period of dryness, but there’s concern that any bursts of heavy rainfall could cause flooding.

Extreme conditions helped drive the fast-moving fires that destroyed thousands of homes in the Pacific Palisades and Altadena.

Weekend rains could bring some relief to Southern California, as firefighters continue to fight to establish greater containment over the Hughes, Palisades and Eaton fires. But if dry weather returns,

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.

The return of the rain in Los Angeles has triggered Flash Flood Warnings, mudslides and debris flows in burn-scar areas, forcing officials to close roads and schools in the region.