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.

The first significant rainfall in several months will spread across Southern California this weekend, giving a badly needed sip of water to an area parched by drought and devastated by multiple raging wildfires.

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.