Fat Tuesday or very popularly known as Mardi Gras calls for a lot of scrumptious food and bright colourful costumes. With all things green, golden and brown; have a blast at the extravagant Mardi Gras Parades, witness huge floats and a mass of people at the street parties in O Fallon. The festival is not all parades and costume, you will find some of the greatest events ranging from paint parties to Mardi Gras walking tours.
Get into the madness of Mardi Gras 2026 in O Fallon and have a time of your life.
