Big Bull Falls Blues Festival is Wisconsin’s longest-running blues festival, held annually at Fern Island Park in downtown Wausau. The 2026 festival spans two days, Friday, August 21, and Saturday, August 22, offering a mix of live blues performances, food vendors, and beverages in a scenic riverside festival. This is an outdoor event and will proceed rain or shine, with updates provided on the festival’s social media in case of severe weather.