Welcome to the 2026 Eastern MT Fair. Please log in below to register. We look forward to seeing you soon! Please make entries for all family members before submitting your invoice. Open Class entries submission will close August 10 to give fair staff time to get all your tags printed and ready for pick-up at Fair Office beginning August 12. Feel free to contact fair office at 234-3758 to make sure your tags are ready before you stop by to pick them up. Beginning August 10 Fair Office is open M-F 8 am-6 pm to pick up tags and purchase fair event tickets. Come on out and help us celebrate 100 years of the Eastern Montana Fair.