Several areas in Southern California could have scattered showers throughout the day, but the potential for "damaging flooding" will not increase until the evening to overnight hours.

An updated flood watch was issued by the NWS San Diego CA on Monday at 8:58 p.m. in effect until Thursday at 6 p.m. The watch is for San Diego County Coastal Areas, San Bernardino and Riverside County Valleys-The Inland Empire,

The storm is expected to dump 1 to 2 inches of rain along the coast and up to 4 inches in the valleys at rates that could cause problems. Some roads will be closed starting Wednesday.