Events in O'Fallon, Illinois

13 upcoming listings — live music, theater, markets, drag, comedy and more, each with a time, a venue and a street address.

What's coming up

• Networking Metro East
  Wed 26 Aug 2026, 4:00 PM — Meetup
  Dogwood Social House O'Fallon IL · 1206 Central Park Drive, O'Fallon, IL 62269
• Caffeine and Chrome - Gateway Classic Cars of St. Louis
  Sat 29 Aug 2026, 9:00 AM — Meetup
  Gateway Classic Cars of St. Louis · 1237 Central Park Dr, O'Fallon, IL 62269
• Boundaries, Business, Barriers, and BS - O'Fallon IL
  Mon 31 Aug 2026, 11:30 AM — Meetup
  Bella Milano O'Fallon · 455 Regency Park, O'Fallon, IL 62269
• FH VOLUNTEER - Chonda Pierce Tour / O'Fallon, IL
  Sat 12 Sep 2026, 6:00 PM — Comedy
  First Baptist Church O'Fallon · 1111 East Highway 50, O'Fallon, IL 62269
• [St.Clair] | Save the Date: Amy Stack
  Mon 14 Sep 2026, 10:00 AM — class
  KW Pinnacle · 1003 E Wesley Dr, O'Fallon, IL 62269
• Project Management Techniques Training in O'Fallon, IL
  Fri 25 Sep 2026, 9:00 AM — class
  Regus · O'Fallon, O'Fallon, IL 62208
• Caffeine and Chrome - Gateway Classic Cars of St. Louis
  Sat 26 Sep 2026, 9:00 AM — Meetup
  Gateway Classic Cars of St. Louis · 1237 Central Park Dr, O'Fallon, IL 62269
• Time Management for Busy Women - O'Fallon
  Mon 28 Sep 2026, 11:30 AM — Meetup
  Bella Milano O'Fallon · 455 Regency Park, O'Fallon, IL 62269
• Home Buyer Workshop
  Wed 30 Sep 2026, 6:30 PM — class
  108 W State St · 108 West State Street, O'Fallon, IL 62269
• Project Management Techniques Training in O'Fallon, IL
  Fri 23 Oct 2026, 9:00 AM — class
  Regus · O'Fallon, O'Fallon, IL 62208
• Employee’s Guide to the U.S. Healthcare System/Ways to Save Money-O'Fallon
  Mon 26 Oct 2026, 11:30 AM — Meetup
  Bella Milano O'Fallon · 455 Regency Park, O'Fallon, IL 62269
• Project Management Techniques Training in O'Fallon, IL
  Fri 27 Nov 2026, 9:00 AM — class
  Regus · O'Fallon, O'Fallon, IL 62208
• Cafe Freedom Healing and Empowerment Summit
  Thu 28 Jan 2027, 7:00 PM — Meetup
  O'Fallon Assembly Of God · 1400 North Green Mount Road, O'Fallon, IL 62269

Listings are seeded from venue and organiser calendars. See them on the map.