On Saturday evening, September 14, 2019, around 5:52pm, Cal Fire /Riverside County Fire responded to reports of fire near the 21000 block of Stagecoach Trail. The first arriving engine company reported fire burning in heavy fuels with a moderate rate of spread. The fire quickly grew to 10 acres and 0% containment. By 6:40pm the fire was 75 acres and 0% contained. Evacuations were in place for the community of Mayberry in San Jacinto near the intersection of Cottonwood Avenue and Warren Road. The cause of the fire has yet to be determined.