O'Fallon's O'Day Park features an outdoor amphitheater perfect for hosting amazing free events! Enjoy arts, music, theater and more in the beautiful natural setting of O'Day Park!


Fiesta in the Park

Friday, May 3, 2024
6 p.m., O'Day Park

Doors open at 5:30 p.m.; dinner at 6 p.m. Join us for a south-of-the-border celebration complete with traditional Mexican cuisine, a mariachi band, and more! Tickets are required for this event.

Get Tickets


Concert in the Park

Thursday, June 23 
6:30 p.m., O'Day Park Amphitheater

Don't miss your opportunity to see local band Hounds perform in O'Day Park! In addition, enjoy delicious food truck fare, as well as local adult beverage vendors that will be on site for purchase. Admission and parking are free.

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Performance in the Park

Thursday, August 8, 2024
6:30 p.m., O'Day Park Amphitheater

Shakespeare in the Park comes to the O'Day Park Amphitheater. Admission and parking are free.

Food Trucks: TBD


Summer Sendoff

Sunday, August 11, 2024
1–4 p.m., O'Day Park

Celebrate the end of summer and the start of school with a food truck picnic, activities and fun! Event admission and parking are free.

Food Trucks: Pappy's Well Dressed Frank, Lulu's Shaved Ice & Creamery, & Cotton Candy Cravings


Fall Into the Arts

Sunday, September 22, 2024
11 a.m. – 4 p.m., O'Day Park

Experience the beauty of art in the beauty of O’Day Park. View incredible works of art, listen to great music and sample food and drinks from some of the area’s best craft breweries and wineries. Learn more about Fall Into the Arts.


Plan a route to O'Day Park

1000 O'Day Park Drive, O'Fallon, MO 63668


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