Festivals in Boulder, Montana, MT - Family & Kids Festivals
Montana Cities and Towns
Belgrade, Billings, Boulder, Montana, Bozeman, Butte, Clyde Park, Deer Lodge, Eureka, Fort Benton, Great Falls, Hamilton, Havre, Miles City, Missoula, Plains, Polson, Poplar, Reed Point
August 20 - 23, 2026
Jefferson County Fair and Rodeo
Jefferson County Recreation Park, Boulder, Montana, MT
Status: Updated 8/10/2026
A State Fair organized by Jefferson County Fairboard - MT.
This Montana State Fair will have antique/collectibles, commercial/retail, crafts, fine art, fine craft and homegrown products exhibitors, and 8 food booths. There will be 1 stage with Regional and Local talent and the hours will be Thu-Sun 9am-9pm. This event will also include: rodeo, parade, carousel, exhibits, 4-h animals & auction, kids' free activities.
This Montana State Fair will have antique/collectibles, commercial/retail, crafts, fine art, fine craft and homegrown products exhibitors, and 8 food booths. There will be 1 stage with Regional and Local talent and the hours will be Thu-Sun 9am-9pm. This event will also include: rodeo, parade, carousel, exhibits, 4-h animals & auction, kids' free activities.
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