Nightmare on 17th Street
Haunted attraction · Cheyenne · Wyoming
Downtown Cheyenne's haunted house has been scaring visitors for nearly three decades, opening Friday and Saturday nights through October plus Halloween itself. It is a straightforward walk through haunt: no theme park production, just actors working a dark historic building.
Don’t miss
Plan your visit
Color nearby peaks: October 9–October 13
Color builds from October 2 · mostly bare by November 2
Sampled at Nightmare on 17th Street’s own coordinates and elevation (1852 m) rather than a regional average.
45 weather points cover Wyoming, and the model shifts their answer 2 days later, which is what it takes to match 1 published peak date from csfs.colostate.edu and smokymountains.com. Wyoming is running 3 days earlier than its own average this year. How the forecast works
When to go to Nightmare on 17th Street
The color window runs about 18 days, holding until around October 20. That runs roughly 3 days later than the rest of Wyoming. It sits at 6,076 ft, high enough to turn before the valleys do.
You will find it at Cheyenne, WY, in Wyoming. The venue has not posted 2026 dates yet. Check their site before you go.
Nightmare on 17th Street on the map
Drag the date slider to see when color reaches this corner of Wyoming, or tap a pin for that stop’s own peak window.
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Frequently asked
- When does Nightmare on 17th Street peak in 2026?
- Peak color is predicted for October 9–October 13 (best estimate October 11). Color starts around October 2 and is mostly bare by November 2.
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