Happening Next

O Fallon Festivals Events

Festivals Happening Next in O Fallon, MO

Heritage and Freedom Fest

 Ozzie Smith Sport Complex 1 Jul 2026
FESTIVALS

Tacos and Tequila Festival St. Louis at CarShield Field

 CarShield Field 12 Sep 2026
FESTIVALS

Duckfest 2026

 1270 Church Rd., St. Paul, MO, United States, Missouri 63366 2 Oct 2026
FRIDAY-THE-13TH

O'Fallon Hoots vs. Thrillville Thrillbillies

 CarShield Field 25 Jun 2026
TRIPS-ADVENTURES

Historic Homestead Days at Fort Zumwalt Park

 Fort Zumwalt Park 14 Jun 2026
ART

2026 O'Fallon Heritage and Freedom Fest Parade

 Alligator Creek 4 Jul 2026
FREEDOM-FESTIVALS