Cooler temperatures and humidity are helping firefighters fight the fire, which nearly doubled in size since Monday afternoon.

Riverside County firefighters continue to battle a quickly growing brush fire burning in the hills near Banning. It was first reported at around 3 p.m. on Sunday in the area of the Wolfskill Truck Trail, located near Old Banning Idyllwild Road, according to Riverside County Fire Department crews.

The Wolf Fire was first reported near Old Banning Idyllwild Road and Wolfskill Truck Trail, west of Highway 243. It was reported about 3:09 p.m. Cal Fire reported that 200 personnel, a helicopter, 25 fire engines, two dozers, three water tenders and other crews had been assigned.