According to the National Weather Service, periods of moderate to heavy rain are expected through Monday afternoon and could trigger flash flooding and mudslides in fire zones.

The rain is raising concerns about potential mudslides in recent burn scar areas, including Malibu, Altadena, and other regions.

Three active fires in Los Angeles neared full containment Sunday, as the region receives much-needed rain that has produced flood and mudslide warnings lasting through Monday. Saturday, 4:00 p.m. PST Cal Fire data marked the Palisades Fire at 87% containment, the Eaton Fire at 95% containment and the Hughes Fire at 92% containment.

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.

Southern California’s first major rainfall arrived Saturday night and the wet weather is expected to continue through Monday. Heavier rains and thunderstorms are expected on Sunday

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

Storm system threatens Southern California burn areas with potential flooding and debris flows as first winter rain approaches.

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.

This file captures the news of the California wildfires from Sunday, Jan. 27. For the latest updates on the fires, follow USA TODAY's coverage for Monday, Jan. 27. Intermittent showers sweeping across Southern California on Sunday provided welcome relief for firefighters battling devastating wildfires but threatened to bring an unwelcome side effect — mudslides.