Events in O'Fallon

Illinois, United States

O'Fallon Harvest Festival

Sat, 17 Oct 2026  · 8:00 AM
Downtown O'Fallon
Community
Small Plates & Cocktails Pairing

Small Plates & Cocktails Pairing

Wed, 21 Oct 2026  · 6:00 PM
Andrias Steakhouse
Food & Drink

Halloween Hunt Pub Crawl

Sat, 24 Oct 2026  · 5:00 PM
Boarding House Bistro
Social
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

16 Hour Illinois Concealed Carry

Sat, 31 Oct 2026
Keep Calm And Carry
Education
48 Year Anniversary Celebration

48 Year Anniversary Celebration

Wed, 25 Nov 2026  · 7:00 PM
Andria's Steakhouse
Dining
Christmas in Italy Wine Dinner

Christmas in Italy Wine Dinner

Wed, 2 Dec 2026  · 6:00 PM
Andria's Steakhouse
Dining

O'Fallon-Shiloh Chamber of Commerce Annual Holiday Party

Tue, 8 Dec 2026  · 5:00 PM
The Regency O'Fallon & Catering
Business

16 Hour Illinois Concealed Carry

Sat, 12 Dec 2026  · 8:00 AM
Keep Calm And Carry
Training
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