As of this morning, June 17, the Bighorn Fire in the Coronado National Forest has grown to 17,492 acres and is 40% contained. It's currently burning just west of Summerhaven and the Mt. Lemmon SkyCenter Observatory.
Mt. Lemmon and Mt. Bigelow are in the “Go” evacuation status north of the Organization Ridge Road area, including Summerhaven. Many other surrounding areas are in the "Set" stage.
Meanwhile, a Red Flag Warning is in place today through 8 p.m. The warnings are triggered when humidity is less than 15% combined with winds of more than 20 mph sustained over a period of three or more hours.
Catalina Highway remains closed to the public at milepost zero. Only residents and business owners may pass. Campgrounds on Mount Lemmon also are closed. Residents in the fire area can contact the Pima County Sheriff’s Department at (520) 351-FIRE (3473) with evacuation questions.