Concert Venues in Lewistown, MT Creekside Pavilion Where: 300 E Main Street, Lewistown, Montana - 59457 Events: 1 Fergus Center For The Performing Arts Where: 1001 Casino Creek Dr., Lewistown, Montana - 59457 Events: 1 Fergus County Fairgrounds Where: 1000 Fairgrounds Road, Lewistown, Montana - 59457 Events: 1