A slow-moving low-pressure system will linger over the Southwest, bringing steady rain through at least Monday.

The charred soil left by the wildfires could create conditions ripe for mudslides because the rain, which will last into Monday, will just run off, forecasters said.

The Los Angeles area is preparing for its first rain since wildfires first broke out weeks ago. But too much rain at once could bring its own set of significant issues.

Southern California’s first full rainy day of the winter has arrived. The day, months in the making, has brought steady storms across the region while the Southland experiences drought conditions. The mostly welcome rain began Saturday night and is expected to sustain until Monday evening.

Some areas could get more than a half-inch of rain an hour later Sunday, the National Weather Service said. Showers could linger into Tuesday. Areas where the Palisades, Franklin, Eaton, Bridge,