FLAGSTAFF, Ariz. – With the arrival of snow and wet weather, the Flagstaff Ranger District and Mogollon Rim Ranger District of the Coconino National Forest are beginning to close a number of forest roads for the safety of visitors and to protect forest roads during the winter season.FLAGSTAFF, Ariz. – With the arrival of snow and wet weather, the Flagstaff Ranger District and Mogollon Rim Ranger District of the Coconino National Forest are beginning to close a number of forest roads for the safety of visitors and to protect forest roads during the winter season.