O Fallon Events in December

Events in December in O Fallon

With all the christmassy vibes, the list of December 2025 events in O Fallon only keeps increasing. Check out all the festivals, parties and events happening in O Fallon in December to embrace all the party vibes. Find out all that you are looking for from the curated list of December 2025 events in O Fallon and make the festive vibes count!

Events in December in O Fallon

Fri, 26 Dec, 2025 - 08:00 PM

RHB Acoustic at The Upright

The Upright Pub & Music Parlor

10+ Interested
Tue, 30 Dec, 2025 - 07:15 PM

Year End Breathwork Journey + Sound Immersion

7 Eagle Center, Suite 2B-2, O'Fallon, IL, United States, Illinois 62269
Fri, 26 Dec, 2025 - 01:30 PM

Blood Drive

St. Clare Catholic School

6+ Interested