Your Weekend Guide to O'Fallon

Frequently Asked Questions

What's happening in O'Fallon this weekend?

There are 8 events happening in O'Fallon this weekend (August 21 – August 23, 2026), including Self Care Social: Castile Shampoo at Middendorf-Kredell Branch Library, LEGO Builders Jr. at Middendorf-Kredell Branch Library, Growing Artists: Summer Fun at Deer Run Branch, American Tall Tales at Middendorf-Kredell Branch Library. Browse the full lineup on VenuNite.

Are there free things to do in O'Fallon this weekend?

No events in O'Fallon this weekend are currently marked free. Events with an unknown price are not counted as free.

What events are happening in O'Fallon this Sunday?

Check VenuNite's weekend guide for newly added Sunday events in O'Fallon.

Where can I find things to do in O'Fallon, Missouri?

VenuNite aggregates live events from venues across O'Fallon. Browse by date, venue, or event type to find what's happening near you.