Planning a trip to O'Fallon or maybe just looking for something to do? We've got you covered! The Festivals and Tourism Department plans free/inexpensive activities in O'Fallon parks. Our biggest events include: Founder's Day in May, the Jammin Concert Series from June- August, The Heritage and Freedom Fest in July, Food Truck Frenzy in June, July, August, Fall into the Arts in September, Boos & Brews in October, and Celebration of Lights in December.
