Uncle Sam Jam Festival is a community event in Downriver, Michigan, promoted as a major annual celebration featuring entertainment and attractions for visitors of all ages. The festival is scheduled for Thursday through Sunday, July 9–12, 2026, at Civic Center Park, 23977 Hall Road, Woodhaven. Admission to enter the event is free.

Visitors can enjoy live concerts, a giant carnival midway, and a range of additional activities. Featured attractions include monster truck rides, fireworks, a classic car show, a custom motorcycle show, and cornhole tournaments. The festival also offers a photo gallery and video gallery for exploring event highlights. Concert information, event details, hotel information, and directions are available through the festival website.

Uncle Sam Jam also welcomes sponsors and vendors, with registration information provided for those interested in participating. Visitors can submit local band applications and subscribe for a chance to win opportunities such as concert VIP tickets, band meet-and-greets, all-day carnival ride passes, and festival merchandise.