McHenry County, Illinois is home to some of the Midwest’s most memorable annual festivals and community events. Each year, visitors and locals alike gather for iconic celebrations featuring live entertainment, local food and craft beverages, shopping, outdoor adventures, and hometown traditions. From spring and summer festivals to fall favorites and holiday happenings, this guide highlights the best recurring events across McHenry County. Start planning your next trip—or your next weekend—around the events that make this destination uniquely unforgettable.