# Things to do with kids in O'Fallon, IL

> 5 upcoming family events and 2 places and ongoing programs in O'Fallon, IL (St. Clair County, IL), in the St. Louis area. Listings whose address is in this town. Dates and times are Central Time. Today is Sat, Oct 24.

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Oct 24, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-10-24), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/st-louis/towns/o-fallon-il

## Events ahead

- [Fantastic Fall Fest at Rock Springs Rotary Park — O'Fallon IL](https://grassyknees.com/st-louis/activities/fantastic-fall-fest-at-rock-springs-rotary-park-o-fallon-il--listing-d233ff5c23ca1437193347f5) — Sat, Nov 7 · 2:00 PM – 6:00 PM · Rock Springs Rotary Park, O'Fallon · checked Oct 24. O'Fallon Parks and Recreation's annual fall celebration fills Rock Springs Rotary Park for an afternoon of games, live music, wagon rides, hot chocolate and s'mores (while…
- [School's Out Days (Veterans Day, Thanksgiving & Winter Break) — O'Fallon IL](https://grassyknees.com/st-louis/activities/school-s-out-days-veterans-day-thanksgiving-and-winter-break-o-fallon--listing-b3e625f1c6f39d5a43f46fe5) — Wed, Nov 11 (+8 more dates) · 8:30 AM – 3:15 PM · Katy Cavins Community Center, O'Fallon · From $45 · checked Oct 24. Full-day drop-off programs for kindergarten through 6th grade on days O'Fallon District 90 schools are closed, open to children from any district. Kids spend the day on games…
- [An Evening with Santa at O'Fallon Station](https://grassyknees.com/st-louis/activities/an-evening-with-santa-at-o-fallon-station--listing-07c643c4ab3e8aaaffbbedd6) — Sat, Dec 5 · 4:00 PM – 7:00 PM · O'Fallon Station · From $20 · checked Oct 24. Children have their picture taken with Santa by a professional photographer at O'Fallon Station, then stay for an evening of holiday activities. Registration includes hot…
- [Santa at the Station — O'Fallon IL](https://grassyknees.com/st-louis/activities/santa-at-the-station-o-fallon-il--listing-581ef2a3eb96e8391015463a) — Tue, Dec 8 (+1 more date) · 6:00 PM – 7:30 PM · O'Fallon Station · Free · checked Oct 24. A free, low-key Santa visit at O'Fallon Station on two weekday evenings in December. Families stop in to see Santa; there is no professional photographer, but a Parks and…
- [Nerf Night at Katy Cavins Community Center — O'Fallon IL](https://grassyknees.com/st-louis/activities/nerf-night-at-katy-cavins-community-center-o-fallon-il--listing-9902155d5fba92c71efd32de) — Fri, Dec 11 · 6:30 PM – 8:30 PM · Katy Cavins Community Center, O'Fallon · Ages 7–13 · From $15 · checked Oct 24. Kids ages 7 to 13 spend a Friday evening playing short Nerf games such as capture the flag in the Katy Cavins Community Center, split into groups by age. Pizza and lemonade are…

## Places and ongoing programs

- [Indoor Playdate at Katy Cavins Community Center — O'Fallon IL](https://grassyknees.com/st-louis/activities/indoor-playdate-at-katy-cavins-community-center-o-fallon-il--listing-07be8df4c49f9f9251323483) — Wednesdays, Nov. 4 – Mar. 10, 10am – 12pm (none on 11/11, 11/25, 12/23, 12/30, 2/24) · Katy Cavins Community Center, O'Fallon · Up to 5 · From $2 · checked Oct 24. A Wednesday-morning open gym for children 5 and under at the Katy Cavins Community Center in O'Fallon, Illinois. Toys, books and a play area are set out so little ones can burn…
- [Youth Winter Play: A Christmas Carol — O'Fallon IL Parks](https://grassyknees.com/st-louis/activities/youth-winter-play-a-christmas-carol-o-fallon-il-parks--listing-22befa8c34da00959c413eca) — Mon. November 2 – Mon. December 14; auditions Nov 2, 5–6:30 PM · The Oak Room, O'Fallon · Ages 5–16 · From $115 · checked Oct 24. A youth musical-theater program from O'Fallon Parks and Recreation for ages 5 to 16, staging a musical version of Dickens' A Christmas Carol with Scrooge, Bob Cratchit, Tiny Tim…

## Nearby

- [Things to do with kids in St. Clair County, IL](https://grassyknees.com/st-louis/counties/st-clair-county-il) (Markdown: https://grassyknees.com/st-louis/counties/st-clair-county-il.md)
- Other towns in St. Clair County, IL: [Belleville, IL](https://grassyknees.com/st-louis/towns/belleville-il) (Markdown: https://grassyknees.com/st-louis/towns/belleville-il.md)
- [Things to do with kids in St. Louis](https://grassyknees.com/st-louis) (Markdown: https://grassyknees.com/st-louis.md)
- [This weekend in St. Louis](https://grassyknees.com/st-louis/this-weekend) (Markdown: https://grassyknees.com/st-louis/this-weekend.md)

Town pages are listed once a town has 3 current listings, county pages at 10.