O'Fallon Il Halloween 2025. 2025 gateway rush halloween havoc application is open! After the success of last year's event, having over 1,000 kids plus their parents, we are excited to announce we will be hosting our 4rd annual serra honda trunk or treat halloween spectacular on saturday, october 26th from.
Use this list below to find the best halloween events and happenings in your area or browse through our spooky list of halloween trick or treating events, halloween parades and more. Event by o’fallon, il city fest.