Rock Fire Evening Update - August 26 2,792 acres, 42% containment, 773 personnel Firefighters made progress today with direct attack, line construction, and mop-up operations. Their work, and the fire’s behavior, remains closely tied to changing weather conditions. Tomorrow's forecast predicts widespread showers and thunderstorms with potential for heavy rainfall, flash flooding, and debris flows. Winds will stay light outside of storms. Warmer, drier conditions are expected Friday into the week