# Festivals in O Fallon 2026 | Culture & Street Fairs - **Subtitle**: Your guide to festivals in O Fallon 2026 — cultural celebrations, street fairs and food festivals. Find dates, locations and what to expect. - **Category**: Festivals - **Type**: category ## Audience - **Followers**: 2.5M+ - **Recent Followers**: - **Avatar 1**: https://cdn-az.allevents.in/events4/banners/c7a3bd77620a92a1fee77ed0b46cc305d65fcaf166695040aabebd480d9323a4-rimg-w200-h200-dc7e887a-gmir?v=1749580804 - **Avatar 2**: https://cdn-az.allevents.in/events2/banners/87514fe09e2e42afe6f2e6b5b9e483315429bdfa0a64d2af3268e7f6798e263a-rimg-w200-h200-dc182a60-gmir?v=1760132405 - **Avatar 3**: https://cdn-az.allevents.in/events4/banners/4372fbe0-97b1-11f0-925d-a7ce5707d3d8-rimg-w200-h200-dc445c46-gmir ## About The best things to do in the world include attending top-notch festivals in O Fallon. Be it a rocking music festival or scrumptious food festival in O Fallon, you will have a gala time of your life with a few of your close friends or your family. With the best of fun, entertainment, and food, the experience in festivals lets the enthusiasts immerse in the local culture and vibe. Ranging from the biggest outdoor beach parties to crazy music festivals, the festivals fall under various categories to suit everybody’s tastes. If you are looking for the best events and festivals in O Fallon listed on one platform - we have you covered. Immerse yourself in the mega dance festivals, electrifying music festivals, theatre & film festivals, quirky local festivals and more with us! ## Festivals Events in O Fallon - **Event Name**: Assumption Fall Festival - **Description**: Get Ready for the Ultimate Fall Fun at the Assumption Annual Fall Festival! Mark your calendars for the most thrilling weekend of the year! The Assumption Fall Festival is bigger than ever on Saturday, Oct. 3 (2-11PM) and Sunday, Oct. 4 (11AM-5PM) at As - **Interested Audience**: - Count: 274 - **Date**: Sat Oct 03 2026 at 02:00 pm – Sun Oct 04 2026 at 05:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/assumption-fall-festival/200030264362132 - **Venue**: 403 N Main St, O'Fallon, MO, United States, Missouri 63366 - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czEvYmFubmVycy9hMzI2MjYzNzBjNjMzZmRhYzUwMDBkZGYxOWVlYzQ2N2FkNWUzMjMzOTQ4MGRlNWRmZjNkZTBkYTY0NDgwZTQzLXJpbWctdzEwMDUtaDEwMDUtZGNmOGY4ZjgtZ21pcj92PTE3ODcyMjU5MDE.avif - **Categories**: festivals, fall-festivals, music, live-music, entertainment, calendar, carnivals, music-festivals - **Event Name**: Duckfest 2026 - **Description**: 13th ANNUAL DUCKFEST Friday, October 2nd 1pm-10pm Saturday, October 3rd, 10am-10pm Knights of Columbus - St. Paul, MO 🦆Free Admission 🍻Food & Drinks 🦆Duck Gumbo Cook-off 🦆Live Music 🦆Great Vendors 🦆Duck & Goose Calling Contests 🦆Raffles 🦆Designat - **Interested Audience**: - Count: 458 - **Date**: Fri Oct 02 2026 at 01:00 pm – Sat Oct 03 2026 at 10:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/duckfest-2026/200029885411228 - **Venue**: 1270 Church Rd., St. Paul, MO, United States, Missouri 63366 - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czcvYmFubmVycy85OTljNjA0MTA2OTg5YzQzODZlOTU1YWJjNjA3NTc0YzYzNDgyYTQ2M2NhYmI0YjZkY2JjNzBiYWE5ZWQ3NmUwLXJpbWctdzEyMDAtaDY3Ni1kYzA4MTgxOC1nbWlyP3Y9MTc4NzMxMTA3NQ.avif - **Categories**: friday-the-13th, contests - **Event Name**: Fall Fest!🧡 - **Description**: 🍂 FALL FEST IS HERE! 🎃 Join us on October 9th from 5–7 PM for an evening full of fall fun! This event is FREE and open to the public, so bring the whole family and come celebrate the season with us! ✨ Open Play 🛍️ Local Vendors 🎭 Character Meet & Gr - **Interested Audience**: - Count: 26 - **Date**: Fri Oct 09 2026 at 05:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/fall-fest/200030667282344 - **Venue**: 1930 Trade Center Dr W, Saint Peters, MO, United States, Missouri 63376 - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czEvYmFubmVycy81MTQ4ZjE2YTNhOWI5NmYyODI0ZTczYWNlOGVmOGRhOTZmODUyMGFkMjU0Y2MyOTk2NmIwMTBkZjczNWI4MTBmLXJpbWctdzEyMDAtaDY3NS1kY2Q4ZThlOC1nbWlyP3Y9MTc4ODcyNzA2Mw.avif - **Categories**: festivals, kids, meetups, meet-and-greet, fall-festivals - **Event Name**: Whiskey Bent @ Assumption Fall Festival - **Description**: Whiskey Bent takes the main stage at 6:30pm! We always have fun at the Assumption Fall Festival! - **Interested Audience**: - Count: 30 - **Date**: Sat Oct 03 2026 at 06:30 pm – Sat Oct 03 2026 at 10:30 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/whiskey-bent-assumption-fall-festival/200030392490114 - **Venue**: 403 N Main St, O'Fallon, MO 63366-2205, United States - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czkvYmFubmVycy8wODdiZGFmZDZmOTY0ZGY1NGJmYmZkOTExOTQ4Yjk1MzcyYWYwOTk4ODYxMzUwYzgwYzQ0NjdlZTAwN2YzMzE4LXJpbWctdzEyMDAtaDE1NTMtZGNmOGY4ZjgtZ21pcj92PTE3ODgyNjU3NTA.avif - **Categories**: festivals, fall-festivals - **Event Name**: Pittie Palooza - **Description**: Join us for a tail-wagging day dedicated to celebrating pit bull-type dogs and the people who love them! Whether you’re a proud pittie owner, looking to adopt, or just love dogs, there’s something for everyone at this family-friendly community event. 🐶 W - **Interested Audience**: - Count: 88 - **Date**: Sat Oct 17 2026 at 10:00 am – Sat Oct 17 2026 at 02:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/pittie-palooza/200030413735159 - **Venue**: 308 Civic Park Dr, O'Fallon, MO 63366, United States - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czUvYmFubmVycy9jZTBmNTg3NzcwZTc0YmUzZGVkN2Q5MzE0OWJmMWNmN2EzMjMyNGMxYTQ5MTQyY2ViN2YzMjAwZGE1MzQyMjZjLXJpbWctdzEwMjQtaDE1MzYtZGNmOGU4ZTgtZ21pcj92PTE3ODgyNTQ0NjM.avif - **Categories**: dog - **Event Name**: Festival Familiar Hispano en San Juan Diego - **Description**: Acompáñanos el 27 de septiembre. Todos son bienvenidos! Join us September 27. All are welcome! - **Interested Audience**: - Count: 36 - **Date**: Sun Sep 27 2026 at 12:00 pm – Sun Sep 27 2026 at 06:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/festival-familiar-hispano-en-san-juan-diego/200030532789557 - **Venue**: O'Fallon, Missouri - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czEvYmFubmVycy8xNmQ1NDYyNGFkYTRhMDNhY2MyZjY3ODQwOGE5ZTYwODliZDQ4NDU5NzUxMjI0YzE0ZTYwOWU4ZjZhOWUyNjhkLXJpbWctdzY4My1oMTAyNC1kY2Y4ZDhiOC1nbWlyP3Y9MTc4ODIwMDk4OA.avif - **Categories**: festivals - **Event Name**: Fall Festival 2026 - **Description**: Come enjoy the fall season with the whole family at our Fall Festival! There will be plenty of fun for everyone—games, candy, and bounce houses for the kids, plus live music, coffee, dirty sodas, and delicious food for the adults! Spend time playing la - **Date**: Sat Oct 24 2026 at 05:00 pm – Sat Oct 24 2026 at 08:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/fall-festival-2026/200030735681904 - **Venue**: 1083 Cool Springs Industrial Dr, O'Fallon, MO, United States, Missouri 63366 - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czgvYmFubmVycy9kNWMwZDc3NWFmOTM4YmM5ZmRlZDE3ZDFhNGY5MDU0MGJjZTg5ZTYxMzI3ZDA3ZDkyZmZhZTEwMjJhZTQxMjgxLXJpbWctdzEyMDAtaDYzMC1kY2U4ZThkOC1nbWlyP3Y9MTc5MDMzMzY0NA.avif - **Categories**: Music, Festivals, Entertainment, Kids - **Event Name**: Historic Homestead Days at Fort Zumwalt Park - **Description**: Step back in time at the Heald Home & Fort during Homestead Days! Experience life as it would have been in early Missouri through guided tours of the historic Heald Home and Jacob Zumwalt’s Fort. Visitors will explore the site alongside knowledgeab - **Date**: Sun Oct 11 2026 at 12:00 pm – Sun Oct 11 2026 at 03:00 pm (-05:00) - **Event URL**: https://allevents.in/o-fallon/historic-homestead-days-at-fort-zumwalt-park/200030694084819 - **Venue**: Fort Zumwalt Park - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czIvYmFubmVycy9lYzEwNDMzOTRiNGZhOTQ2YzFiNDMxNGIxNGIyYTcyNDQxZGYwZWM2NmY5OWQxYTY1Y2Y2Zjk5ODcwNTc2Nzc0LXJpbWctdzEyMDAtaDY3NS1kY2Y4ZThkOC1nbWlyP3Y9MTc4OTMzMDY5OA.avif - **Categories**: Art, fine-arts ## Trending Events in O Fallon - **Event Name**: District Frights 2026 - **Description**: Join us for our second annual District Frights- a hauntingly special event in Downtown O'Fallon you won't want to miss! 👻 You will find District Nights staples such as food, drinks, a rockin' band, and activities for the kids, but beware! You will also f - **Venue**: 116 E. First Street, O'Fallon, IL, United States, Illinois - **Banner**: https://cdn-az.allevents.in/events2/banners/114074c8b94489facda7d6434faabc9d8848e4ba90cfd1a49ea055158a757f20-rimg-w1200-h675-dc282828-gmir?v=1787189408 - **Event Name**: Threshing Day Midnight Release Party - **Description**: Celebrate the release of Rebecca Yarro's Threshing Day with Lakeside Bookshop at Sky Zone O'Fallon!About this EventFrom 9:00 PM to 12:00 AM join us for a fun night of Fourth Wing themed activities! After checking in, cros - **Venue**: Sky Zone Trampoline Park - **Banner**: https://cdn-az.allevents.in/events8/banners/24e8217803c5e99c82a714b8e1818175d40571fafa7e52d71f1c28e336d2edbe-rimg-w1200-h600-dcf0f0f0-gmir.jpg?v=1785328751 - **Event Name**: Assumption Fall Festival - **Description**: Get Ready for the Ultimate Fall Fun at the Assumption Annual Fall Festival! Mark your calendars for the most thrilling weekend of the year! The Assumption Fall Festival is bigger than ever on Saturday, Oct. 3 (2-11PM) and Sunday, Oct. 4 (11AM-5PM) at As - **Venue**: 403 N Main St, O'Fallon, MO, United States, Missouri 63366 - **Banner**: https://cdn-az.allevents.in/events1/banners/a32626370c633fdac5000ddf19eec467ad5e32339480de5dff3de0da64480e43-rimg-w1005-h1005-dcf8f8f8-gmir?v=1787225901 - **Event Name**: ST. CHARLES COUNTY POLICE TRUNK OR TREAT - **Description**: 🎃🚔 THE SCCPD TRUNK OR TREAT IS BACK — AND BETTER THAN EVER! 🍬👻 Get ready for an afternoon of CANDY, COPS & HALLOWEEN FUN! 📅 Saturday, October 12 ⏰ 10 AM–1 PM 📍 SCCPD Front Parking Lot (101 Sheriff Dierker Ct., O’Fallon) 👻 We'll have... 🍬 LOTS & - **Venue**: 101 Sheriff Dierker Ct, O'Fallon, MO, United States, Missouri 63366 - **Banner**: https://cdn-az.allevents.in/events5/banners/93c11130c2e19c9c16dcdd839baecbb94b2ce404ed429e8b5ea40bca3c610811-rimg-w1200-h675-dcf89828-gmir?v=1789034607 - **Event Name**: Fallon Chapter Big Game Banquet - **Description**: Join us for the Fallon Chapter Big Game Banquet — the biggest night of the year for elk country supporters! Incredible prizes & auctions you can’t find anywhere else Dinner and good company Your chance to give back to elk country and protect our - **Venue**: Fallon Golf Course - **Banner**: https://cdn-az.allevents.in/events2/banners/ba5fadf43cec5fa83b43e7f31a3e7bd6f9de9b1f73779f0628ab94c7ccc1255d-rimg-w1200-h628-dcf8f8f8-gmir?v=1787261173 - **Event Name**: Family Movie Night - "Toy Story 5" - **Description**: Join us for our final Family Movie Night in the Park of 2026! We will be showing "Toy Story 5." The movie is rate G, and has a run time of 102 minutes. Yard games, activities, and concessions will be available starting at 5:30pm. The movie will start aro - **Venue**: 411 E. 5th St., O'Fallon, IL, United States, Illinois 62269 - **Banner**: https://cdn-az.allevents.in/events4/banners/8bf01ccd8047b73e2dd94d06929f138e0e9a67308acdc5dec6600689aea184f1-rimg-w1200-h675-dc581808-gmir?v=1787616681 - **Event Name**: Duckfest 2026 - **Description**: 13th ANNUAL DUCKFEST Friday, October 2nd 1pm-10pm Saturday, October 3rd, 10am-10pm Knights of Columbus - St. Paul, MO 🦆Free Admission 🍻Food & Drinks 🦆Duck Gumbo Cook-off 🦆Live Music 🦆Great Vendors 🦆Duck & Goose Calling Contests 🦆Raffles 🦆Designat - **Venue**: 1270 Church Rd., St. Paul, MO, United States, Missouri 63366 - **Banner**: https://cdn-az.allevents.in/events7/banners/999c604106989c4386e955abc607574c63482a463cabb4b6dcbc70baa9ed76e0-rimg-w1200-h676-dc081818-gmir?v=1787311075 - **Event Name**: Maine Street Spooktacular 2026 - **Description**: Free event for Churchill County residents. Trick-or-Treating, Trunk-or-Treating, Bounce Houses, Pumpkin Painting, Coloring Station, Dancers, Music by DJ Todd Moretto, Haunted House and more. Food available for a fee. - **Venue**: S Maine St, Fallon, NV 89406, United States - **Banner**: https://cdn-az.allevents.in/events1/banners/3986457d881dc11af5985d483618795d4d46e6d9eb34abfe25b6d89684914d59-rimg-w1080-h1350-dc080808-gmir?v=1787229376 - **Event Name**: Fall Fest!🧡 - **Description**: 🍂 FALL FEST IS HERE! 🎃 Join us on October 9th from 5–7 PM for an evening full of fall fun! This event is FREE and open to the public, so bring the whole family and come celebrate the season with us! ✨ Open Play 🛍️ Local Vendors 🎭 Character Meet & Gr - **Venue**: 1930 Trade Center Dr W, Saint Peters, MO, United States, Missouri 63376 - **Banner**: https://cdn-az.allevents.in/events1/banners/5148f16a3a9b96f2824e73ace8ef8da96f8520ad254cc29966b010df735b810f-rimg-w1200-h675-dcd8e8e8-gmir?v=1788727063 ## Browse Festivals Events by Date - [Festivals Events Today in O Fallon](https://allevents.in/o-fallon/festivals--today) - [Festivals Events This Weekend in O Fallon](https://allevents.in/o-fallon/festivals--this-weekend) - [Festivals Events in September in O Fallon](https://allevents.in/o-fallon/festivals--september) - [Festivals Events in October in O Fallon](https://allevents.in/o-fallon/festivals--october) ## FAQs - **Q**: What are the top Festivals events in O Fallon? - **A:** Assumption Fall Festival (Sat Oct 03 2026 at 02:00 pm at 403 N Main St, O'Fallon, MO, United States, Missouri 63366), Duckfest 2026 (Fri Oct 02 2026 at 01:00 pm at 1270 Church Rd., St. Paul, MO, United States, Missouri 63366), Fall Fest!🧡 (Fri Oct 09 2026 at 05:00 pm at 1930 Trade Center Dr W, Saint Peters, MO, United States, Missouri 63376), Whiskey Bent @ Assumption Fall Festival (Sat Oct 03 2026 at 06:30 pm at 403 N Main St, O'Fallon, MO 63366-2205, United States), Pittie Palooza (Sat Oct 17 2026 at 10:00 am at 308 Civic Park Dr, O'Fallon, MO 63366, United States). - **Q**: What Festivals events are happening in O Fallon today September 27, 2026? - **A:** Festival Familiar Hispano en San Juan Diego (Sun Sep 27 2026 at 12:00 pm at O'Fallon, Missouri). - **Q**: What Festivals events are happening in O Fallon this weekend September 25–27, 2026? - **A:** Festival Familiar Hispano en San Juan Diego (Sun Sep 27 2026 at 12:00 pm at O'Fallon, Missouri). - **Q**: What Festivals events are happening in O Fallon in September 2026? - **A:** Festival Familiar Hispano en San Juan Diego (Sun Sep 27 2026 at 12:00 pm at O'Fallon, Missouri). - **Q**: How can I find Festivals events in O Fallon? - **A:** You can discover upcoming Festivals events in O Fallon on AllEvents.in. Browse by date, venue, or price to find events that match your interests. - **Q**: How do I buy tickets for Festivals events in O Fallon? - **A:** You can buy tickets directly through AllEvents.in. Many events offer online booking with options for free, paid, and early-bird tickets. - **Q**: What are the popular venues for Festivals events in O Fallon? - **A:** Some popular venues hosting Festivals events in O Fallon include 403 N Main St, O'Fallon, MO, United States, Missouri 63366, 1270 Church Rd., St. Paul, MO, United States, Missouri 63366, 1930 Trade Center Dr W, Saint Peters, MO, United States, Missouri 63376. - **Q**: Who are the top organizers for Festivals events in O Fallon? - **A:** Popular organizers hosting Festivals events in O Fallon include Assumption of the Blessed Virgin Mary Parish, Duckfest, Kids Club St. Louis. - **Q**: Are there any online Festivals events available? - **A:** Yes, many Festivals events are available online. You can filter for virtual events on AllEvents.in to attend from anywhere. - **Q**: How can I get notified about new Festivals events in O Fallon? - **A:** Follow the Festivals category on AllEvents.in to get notified when new Festivals events are listed in O Fallon. ## Category Banner - **Banner Image**: https://cdn2.allevents.in/transup/6e/5415e403f74b77938c0695ac11464e/Festival.jpg ## Festivals from nearby cities - [Festivals in Dardenne Prairie](https://allevents.in/dardenne-prairie/festivals) - [Festivals in Saint Peters](https://allevents.in/saint-peters-mo/festivals) - [Festivals in Cottleville](https://allevents.in/cottleville/festivals) - [Festivals in Lake Saint Louis](https://allevents.in/lake-saint-louis/festivals) - [Festivals in Wentzville](https://allevents.in/wentzville/festivals) - [Festivals in Old Monroe](https://allevents.in/old-monroe/festivals) - [Festivals in Saint Charles](https://allevents.in/saint-charles-mo/festivals) - [Festivals in St Charles](https://allevents.in/st-charles-mo/festivals)