[...] the park on Thursday banned all charcoal and wood fires at all campgrounds, campsites and picnic areas because of the warm, dry and windy weather conditions.
The largest fire has burned nearly 60 square miles north of the West Entrance Road, and firefighters are working to keep it from spreading beyond the park's western boundary.
In neighboring Grand Teton National Park, a wildfire that had closed a road leading to Yellowstone's south entrance last week was still growing, but it was mostly burning in remote areas and no longer affects travelers between the two parks.
