Lakeside firefighters Joe Vasquez, left, and David Csik walk around a house as Lakeside Fire Capt. Jon Jordan watches large flames burn toward the home on Highway 94 south of Potrero Calif., on Monday, June 20, 2016. An intensifying heat wave stretching from the West Coast to New Mexico threatened to make the fight against Southern California wildfires more difficult Monday. (Hayne Palmour IV/San Diego Union-Tribune via AP)