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

The highest intensity rain was expected between 4 p.m. on Sunday and 4 p.m. on Monday, according to the service. Los Angeles and Ventura Counties were expected to get up to an inch of total rainfall, and up to three inches was forecast in the mountains around Los Angeles.

Beneficial rain moved into Southern California over the weekend for wildfire areas, however, the rain brought a new threat of flash flooding. Flood alerts are in place through Monday and more rain is on the way through Tuesday.