Events in O'Fallon

Illinois, United States

District Nights

Thu, 4 Jun 2026  · 5:00 PM
Downtown O'Fallon
Entertainment
Elite 17U/18U Championships

Elite 17U/18U Championships

Fri, 5 Jun 2026
O'Fallon Family Sports Park
Sports

FREE Yoga at Vine Street Market

Sat, 6 Jun 2026  · 8:00 AM
Vine Street Market
Health & Wellness
Jackson Family Wine Dinner

Jackson Family Wine Dinner

Wed, 10 Jun 2026  · 6:00 PM
Andria's Steakhouse
Food & Drink

Ambassador Meeting

Wed, 10 Jun 2026
Southern Illinois Builders Association
Business

618 Day Celebration

Thu, 18 Jun 2026
Downtown O'Fallon
Community
JUNE 23 & 25 - MINI ART CAMP

JUNE 23 & 25 - MINI ART CAMP

Tue, 23 Jun 2026  · 10:00 AM
Art Gecko Creative Studio
Education

16 Hour Illinois Concealed Carry

Sat, 27 Jun 2026
Keep Calm And Carry
Education

Vine Street Market 6/27/26

Sat, 27 Jun 2026
Vine Street Market
Community
Crystal Clarity: How to Protect What Matters Most - O'Fallon

Crystal Clarity: How to Protect What Matters Most - O'Fallon

Mon, 29 Jun 2026  · 11:30 AM
Bella Milano O'Fallon
Business

District Nights

Thu, 9 Jul 2026  · 5:00 PM
Downtown O'Fallon
Entertainment

Peach Festival

Sat, 18 Jul 2026  · 8:00 AM
O'Fallon Station
Festival
The Power of Story in Leadership - O'Fallon IL

The Power of Story in Leadership - O'Fallon IL

Mon, 27 Jul 2026
Bella Milano O'Fallon
Business

Watermelon Festival

Sat, 8 Aug 2026
O'Fallon Station
Festival
2026 Belleville Main Street Marathon and Half Marathon

2026 Belleville Main Street Marathon and Half Marathon

Sat, 26 Sep 2026  · 7:00 AM
Toolen's Running Start
Sports
Employee’s Guide to the U.S. Healthcare System

Employee’s Guide to the U.S. Healthcare System

Mon, 26 Oct 2026
Bella Milano O'Fallon
Education
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