The Red Shale fire has been burning for more than three weeks. It was first spotted by Beartop lookout at 4:30 p.m. on July 18. The size of the blaze is estimated to be at 9, 294 acres. Several trails have been closed within the Sun River Game Preserve and along the Continental Divide Trail. Visitors traveling in the backcountry are urged to use caution and be on the lookout for changes in weather and fire behavior. The Snake fire has been burning since Aug. 5. It's located three miles east of Yellowstone's south entrance station. It was caused by lightning. It's estimated to be 200 acres and is zero percent contained. Bridger-Teton National Forest, Grand Teton National Park and Yellowstone National Park firefighters are teaming up to fight the fire. All roads leading into and through the parks and the forest and all campgrounds, lodging, stores, and visitor services remain open. Currently, the fire poses no threat to visitors or area residents.