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Free Events and Things to do in O'Fallon, MO

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Geoguesser Tournament
Wed, Apr 15, 3:00 PM
St. Louis · 911 Washington Ave 4th floor
Geoguesser Tournament
Wed, Apr 15, 3:00 PM
St. Louis · 911 Washington Ave 4th floor
Owning Your Voice and Influence - Riverbend
Fri, May 15, 11:30 AM
Godfrey · Bakers & Hale
Owning Your Voice and Influence - Riverbend
Fri, May 15, 11:30 AM
Godfrey · Bakers & Hale
Alton High School Phone Free Model Visit
Tue, Apr 21, 7:15 AM
Alton · Alton High School
Alton High School Phone Free Model Visit
Tue, Apr 21, 7:15 AM
Alton · Alton High School
Breathe, Rebuild & Blossom Wellness Conference
Sat, Jun 13, 12:00 PM
St. Louis · A Royal Event Party Planning
Breathe, Rebuild & Blossom Wellness Conference
Sat, Jun 13, 12:00 PM
St. Louis · A Royal Event Party Planning
Going fast
CyberCon: Inside the Global Threatscape (STL TechWeek 2026)
Wed, Apr 15, 9:00 AM
St. Louis · Greater St. Louis, Inc.
Going fast
CyberCon: Inside the Global Threatscape (STL TechWeek 2026)
Wed, Apr 15, 9:00 AM
St. Louis · Greater St. Louis, Inc.
Arch Bark
Sat, Apr 18, 10:00 AM
St. Louis · North Gateway at Gateway Arch National Park
Arch Bark
Sat, Apr 18, 10:00 AM
St. Louis · North Gateway at Gateway Arch National Park
Monthly Business Mingle at Big Daddy's – Business Growth Network
Thu, May 21, 5:00 PM
St. Louis · Big Daddy's Bar in Soulard #1 Patio & Party Spot
Monthly Business Mingle at Big Daddy's – Business Growth Network
Thu, May 21, 5:00 PM
St. Louis · Big Daddy's Bar in Soulard #1 Patio & Party Spot
In Person Workshop: Destigmatizing Substance Use Disorder in Your Community
Tue, Apr 21, 1:00 PM
Alton · The Milton Schoolhouse
In Person Workshop: Destigmatizing Substance Use Disorder in Your Community
Tue, Apr 21, 1:00 PM
Alton · The Milton Schoolhouse
Mister Juneteenth Scholarship Pageant – Contestant Registration
Sat, Jun 13, 10:00 AM
St. Louis · Soulard Market Park
Mister Juneteenth Scholarship Pageant – Contestant Registration
Sat, Jun 13, 10:00 AM
St. Louis · Soulard Market Park
Just added
Community Day
Sat, Apr 4, 11:00 AM
East St Louis · Wyvetter H.Younge Higher Education Campus
Just added
Community Day
Sat, Apr 4, 11:00 AM
East St Louis · Wyvetter H.Younge Higher Education Campus
ChamberNet at the Gateway Grizzlies
Tue, May 12, 5:30 PM
Sauget · Arsenal BG Ballpark
ChamberNet at the Gateway Grizzlies
Tue, May 12, 5:30 PM
Sauget · Arsenal BG Ballpark
Foster & Adopt 201 Workshop - Madison County
Sun, May 17, 3:00 PM + 3 more
Alton · Emmanuel Free Methodist Church
Foster & Adopt 201 Workshop - Madison County
Sun, May 17, 3:00 PM + 3 more
Alton · Emmanuel Free Methodist Church
2026 Spring Open House
Sun, Jun 14, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
2026 Spring Open House
Sun, Jun 14, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
2026 Fall Open House
Sun, Sep 20, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
2026 Fall Open House
Sun, Sep 20, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
Connect Group (Madison)
Thu, Apr 23, 6:00 PM + 4 more
Bethalto · Bethalto Church of God
Connect Group (Madison)
Thu, Apr 23, 6:00 PM + 4 more
Bethalto · Bethalto Church of God
ONE DAY, ONE SIUE – Day of Giving Celebration
Thu, Apr 23, 6:00 PM
Edwardsville · SIUE Health Sciences Complex
ONE DAY, ONE SIUE – Day of Giving Celebration
Thu, Apr 23, 6:00 PM
Edwardsville · SIUE Health Sciences Complex
Sigma Spring Speaker Workshop hosted by Sigma Epsilon Eta at Large Chapter
Fri, Apr 10, 9:00 AM
Edwardsville · Southern Illinois University Edwardsville Health Science Complex, School of Pharmacy, Room HS 1340
Sigma Spring Speaker Workshop hosted by Sigma Epsilon Eta at Large Chapter
Fri, Apr 10, 9:00 AM
Edwardsville · Southern Illinois University Edwardsville Health Science Complex, School of Pharmacy, Room HS 1340
Brave Enough to Begin Again - Edwardsville
Thu, Apr 9, 11:30 AM
Edwardsville · Bella Milano Edwardsville
Brave Enough to Begin Again - Edwardsville
Thu, Apr 9, 11:30 AM
Edwardsville · Bella Milano Edwardsville
Trek St. Louis | Saturday Road Ride – 20 Miles
Sat, Apr 4, 7:30 AM + 30 more
Columbia · 1000 Columbia Centre Dr
Trek St. Louis | Saturday Road Ride – 20 Miles
Sat, Apr 4, 7:30 AM + 30 more
Columbia · 1000 Columbia Centre Dr
You Don’t Have to Break to Begin Again - Edwardsville
Thu, May 14, 11:30 AM
Edwardsville · Bella Milano Edwardsville
You Don’t Have to Break to Begin Again - Edwardsville
Thu, May 14, 11:30 AM
Edwardsville · Bella Milano Edwardsville

Trends in O'Fallon

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Explore more trends

Frequently asked questions about O'Fallon

What are the best free events to attend?

According to Eventbrite, the best free events are:

Geoguesser Tournament

Owning Your Voice and Influence - Riverbend

Alton High School Phone Free Model Visit

Breathe, Rebuild & Blossom Wellness Conference

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

events happening today near me

Which free events are coming up?

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

Trek St. Louis | Saturday Road Ride – 20 Miles

Brave Enough to Begin Again - Edwardsville

Sigma Spring Speaker Workshop hosted by Sigma Epsilon Eta at Large Chapter