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Events and Things to do in O'Fallon, IL

Search for something you love or check out popular events in your area.

Going fast
Althoff Summer Boys Basketball Camp 2026
Tue, May 26, 8:00 AM
Belleville · Althoff Catholic High School
Going fast
Althoff Summer Boys Basketball Camp 2026
Tue, May 26, 8:00 AM
Belleville · Althoff Catholic High School
Almost full
38th Annual SIUE Construction Alumni Society Golf Tournament
Belleville · The Orchards
Almost full
38th Annual SIUE Construction Alumni Society Golf Tournament
Belleville · The Orchards
The M Factor 2: Before the Pause
Thu, May 28, 6:30 PM
Belleville · Lincoln Theatre
The M Factor 2: Before the Pause
Thu, May 28, 6:30 PM
Belleville · Lincoln Theatre
Almost full
Althoff Drama Camp # 2 2026 - Honk, Jr.
Belleville · Althoff Catholic High School
Almost full
Althoff Drama Camp # 2 2026 - Honk, Jr.
Belleville · Althoff Catholic High School
Going fast
Althoff Girls & Boys Summer Volleyball Camp 2026
Tue, Jun 16, 10:00 AM
Belleville · Althoff Catholic High School
Going fast
Althoff Girls & Boys Summer Volleyball Camp 2026
Tue, Jun 16, 10:00 AM
Belleville · Althoff Catholic High School
Althoff Summer Baseball Camp 2026
Mon, Jun 8, 9:00 AM
Belleville · Whitey Herzog Field
Althoff Summer Baseball Camp 2026
Mon, Jun 8, 9:00 AM
Belleville · Whitey Herzog Field
Althoff Summer Girls Basketball Camp 2026
Mon, Jun 1, 8:00 AM
Belleville · Althoff Catholic High School
Althoff Summer Girls Basketball Camp 2026
Mon, Jun 1, 8:00 AM
Belleville · Althoff Catholic High School
St. Louis Taco Festival
Sat, Jun 13, 2:00 PM
St. Louis · Ballpark Village
St. Louis Taco Festival
Sat, Jun 13, 2:00 PM
St. Louis · Ballpark Village
Going fast
2026 International Convention
Mon, Jun 29, 2:00 PM
St. Louis · The Dome at America's Center
Going fast
2026 International Convention
Mon, Jun 29, 2:00 PM
St. Louis · The Dome at America's Center
Almost full
MEMORIAL DAY WEEKEND “DAY PARTY” @ HOUSE OF SOUL
Sat, May 23, 3:00 PM
St. Louis · The House Of Soul
Almost full
MEMORIAL DAY WEEKEND “DAY PARTY” @ HOUSE OF SOUL
Sat, May 23, 3:00 PM
St. Louis · The House Of Soul
Almost full
Althoff Summer Drama Camp # 3 2026- Wonderland!
Mon, Jul 6, 9:00 AM
Belleville · Althoff Catholic High School
Almost full
Althoff Summer Drama Camp # 3 2026- Wonderland!
Mon, Jul 6, 9:00 AM
Belleville · Althoff Catholic High School
Going fast
The BBQ
Sun, May 24, 3:00 PM
St. Louis · Ballpark Village
Going fast
The BBQ
Sun, May 24, 3:00 PM
St. Louis · Ballpark Village
Here Comes Baby
Tue, May 26, 6:00 PM
Maryville · Anderson Hospital
Here Comes Baby
Tue, May 26, 6:00 PM
Maryville · Anderson Hospital
Almost full
Prepared Childbirth Series
Thursday at 6:00 PM
Maryville · Anderson Hospital
Almost full
Prepared Childbirth Series
Thursday at 6:00 PM
Maryville · Anderson Hospital
Fast Track Childbirth Seminar
Sat, May 23, 9:00 AM
Maryville · Anderson Hospital
Fast Track Childbirth Seminar
Sat, May 23, 9:00 AM
Maryville · Anderson Hospital
Althoff Summer 2026 Cheer Camp
Thu, Jun 25, 9:00 AM
Belleville · Althoff Catholic High School
Althoff Summer 2026 Cheer Camp
Thu, Jun 25, 9:00 AM
Belleville · Althoff Catholic High School
Goat Yoga @ Wellness Way fairview Heights, Illinois
Sat, May 30, 9:00 AM
Fairview Heights · Wellness Way
Goat Yoga @ Wellness Way fairview Heights, Illinois
Sat, May 30, 9:00 AM
Fairview Heights · Wellness Way
Radiohead Concert in the Dark w Live Strings + Cacao WAITLIST SHOW
Sat, Jun 6, 7:00 PM
St Louis · Secret Location in St Louis
Radiohead Concert in the Dark w Live Strings + Cacao WAITLIST SHOW
Sat, Jun 6, 7:00 PM
St Louis · Secret Location in St Louis
Sales end soon
SexyHair Up-styling Trends & Techniques: Bridal & Event Styling
Monday at 10:00 AM
Granite City · State Beauty Supply of Granite City
Sales end soon
SexyHair Up-styling Trends & Techniques: Bridal & Event Styling
Monday at 10:00 AM
Granite City · State Beauty Supply of Granite City
Young Outlaws Power Wheels Drag Racing
Sat, May 30, 9:00 AM
O'Fallon · Gateway Classic Cars
Young Outlaws Power Wheels Drag Racing
Sat, May 30, 9:00 AM
O'Fallon · Gateway Classic Cars

Trends in O'Fallon

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Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

Althoff Summer Boys Basketball Camp 2026

38th Annual SIUE Construction Alumni Society Golf Tournament

The M Factor 2: Before the Pause

Althoff Drama Camp # 2 2026 - Honk, Jr.

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

mothers day brunch

mothers day weekend events near me

events happening today near me

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

SexyHair Up-styling Trends & Techniques: Bridal & Event Styling

Prepared Childbirth Series

Fast Track Childbirth Seminar

MEMORIAL DAY WEEKEND “DAY PARTY” @ HOUSE OF SOUL