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.