This week in Yellowstone National Park, from September 25th through October 1st, 2025, I will tell you about a guy who tried to take the devil out of Yellowstone, give you tips on where to see fall colors in the park, and try to convince you to head down to West Thumb and the Tetons this week. I will also give you the complete weather forecast, a cool trail to hike, the wildlife report, the news, and everything else you need to have an incredible time, “This Week in Yellowstone.”