Montana Fair is an agricultural celebration in the historic tradition of fairs. It is the region’s largest event with attendance of nearly a quarter of a million each year. Stages around the grounds provide free entertainment that can include music, comedy, hypnosis, kid’s entertainment, variety acts, draft horses, and more. Visit our Free Acts page to see this year’s free entertainment lineup. Night Shows include concerts in the Rimrock Auto Arena and supercross and PRCA Pro Rodeo in the Grandstands.