July 15-18, 2026
Welcome to the Rosebud-Treasure County Fair!
One of Montana's oldest and best county fairs, the Rosebud-Treasure County Fair has been an annual event since 1906.
Entertainment for 2026 announced soon!
Enjoy two nights of PRCA rodeo action
Watch cowboys and cowgirls from across the United States compete in two action-packed PRCA Rodeo performances.
Enjoy the rides and games!
The Mighty Thomas Carnival wrist bands are available for sale online or in person at Yellowstone Pharmacy and The Fairgrounds Office in Forsyth; Mid-Yellowstone Electric in Hysham; and Brain Freeze and The Centennial Library in Colstrip. Wrist band prices will go up once fair starts.
FREE FAIRGROUNDS WIFI FROM RANGE
• Available all four days and nights of the Fair
• Look for the Range Guest network
• No password required!
Curious what the weather is going to do for the Fair? Check it out here.
Young Men's Club's famous $2 beer garden!
Various area food vendors!
4-H concessions daily!
Mighty Thomas Carnival - all 4 days!
Open class and 4-H exhibits!
Local music talent!
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Fair Schedule
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4-H
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Tickets
Purchase event tickets!
Get ready to rock your socks off at one of Montana's oldest and best county fairs!
July 15-18, 2026
