McHenry Rotary sponsors the Blues, Brew & BBQ at Peterson Park, 4300 Peterson Park Rd, McHenry, IL 60050, August 20th-22nd, Friday: 4:30 pm – 11pm, Saturday: 3:20 pm – 11pm, Sunday: Noon  – 5 pm. Free Parking, lawn chairs are allowed. No coolers, no pets, no planned children-themed activities will be present.