The first week (at Petersen Park) starts with our annual Cask and Barrel Night on Thursday, followed by Music Fest weekend! Sunday is a free admission day, which includes the Car Show, Beach Bash, Big Wheel Race and Firework! The carnival runs the weekend of July 11-13, 2025. The second week of events are in Veterans Memorial Park and downtown McHenry. They include the Concert in the Park, Art and Street Fair, Art in the Park and the Parade. #mchenryfiestadays