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Events and Things to do in O'Fallon, MO

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SaSSy in St. Louis (A Sexy and SaSSy Signing Event)
Sat, May 30, 11:00 AM
Saint Charles · St. Charles Convention Center
SaSSy in St. Louis (A Sexy and SaSSy Signing Event)
Sat, May 30, 11:00 AM
Saint Charles · St. Charles Convention Center
Sales end soon
Tongue & Groove | RYSE Nightclub at Ameristar Casino Resort Spa
Sunday at 3:00 PM
Saint Charles · RYSE Nightclub
Sales end soon
Tongue & Groove | RYSE Nightclub at Ameristar Casino Resort Spa
Sunday at 3:00 PM
Saint Charles · RYSE Nightclub
Going fast
Second Annual Just GLO Up Conference
Tomorrow at 8:00 AM
St. Peters · Old Hickory Golf Club
Going fast
Second Annual Just GLO Up Conference
Tomorrow at 8:00 AM
St. Peters · Old Hickory Golf Club
Going fast
Music & Mimosa Festival
Sun, May 31, 2:00 PM
Saint Charles · The Wine Garden
Going fast
Music & Mimosa Festival
Sun, May 31, 2:00 PM
Saint Charles · The Wine Garden
Breakfast in America—A Supertramp Celebration
Fri, Jun 5, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Breakfast in America—A Supertramp Celebration
Fri, Jun 5, 7:00 PM
Chesterfield · Chesterfield Amphitheater
Almost full
5/19 - St. Peters, MO - A Derby Soiree
Tuesday at 7:00 PM
St. Peters · 5300 N Service Rd
Almost full
5/19 - St. Peters, MO - A Derby Soiree
Tuesday at 7:00 PM
St. Peters · 5300 N Service Rd
Going fast
Pickleball with a Purpose: Mind the Gap STL Fundraiser
Sunday at 2:00 PM
Chesterfield · Paddle Up Pickleball Club - Chesterfield
Going fast
Pickleball with a Purpose: Mind the Gap STL Fundraiser
Sunday at 2:00 PM
Chesterfield · Paddle Up Pickleball Club - Chesterfield
Sales end soon
An Evening with Alex Finlay: The Anniversary
Tuesday at 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Sales end soon
An Evening with Alex Finlay: The Anniversary
Tuesday at 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Student Summit
Chesterfield · Undivided Experience Center
Student Summit
Chesterfield · Undivided Experience Center
2026 ILS Athletics Annual Golf Tournament
Mon, Jun 8, 9:00 AM
Saint Charles · Bogey Hills Country Club
2026 ILS Athletics Annual Golf Tournament
Mon, Jun 8, 9:00 AM
Saint Charles · Bogey Hills Country Club
An Evening with New York Times Bestselling Author Lauren Kate| June 10
Wed, Jun 10, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
An Evening with New York Times Bestselling Author Lauren Kate| June 10
Wed, Jun 10, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
2026 GSLCA Golf Tournament- The Best Golf Event of the YEAR!!
Fri, Jun 12, 8:00 AM
O'Fallon · The Falls Golf Club
2026 GSLCA Golf Tournament- The Best Golf Event of the YEAR!!
Fri, Jun 12, 8:00 AM
O'Fallon · The Falls Golf Club
Agent STC Presents: K.E.Y. Talks
Thu, May 28, 9:00 AM
St. Peters · Water's Edge Banquet Center
Agent STC Presents: K.E.Y. Talks
Thu, May 28, 9:00 AM
St. Peters · Water's Edge Banquet Center
Almost full
When Life Gives Lemons...Sip Tea
Sunday at 5:00 PM
Saint Charles · Magpie's Restaurant
Almost full
When Life Gives Lemons...Sip Tea
Sunday at 5:00 PM
Saint Charles · Magpie's Restaurant
St. Charles Market Strawberry Festival Jam/Jelly Contest
Sat, May 30, 11:00 AM
Saint Charles · North Main Street
St. Charles Market Strawberry Festival Jam/Jelly Contest
Sat, May 30, 11:00 AM
Saint Charles · North Main Street
Exclusive Album Preview Party - Dave Kennedy with Rob Snyder
Sat, May 23, 6:30 PM
Saint Charles · The Moonshine Blues Bar
Exclusive Album Preview Party - Dave Kennedy with Rob Snyder
Sat, May 23, 6:30 PM
Saint Charles · The Moonshine Blues Bar
Allegro: a St. Louis Choral Community Presents: SONGS OF THE SILVER SCREEN
Sun, May 31, 3:00 PM
Chesterfield · Purser Center at Logan University
Allegro: a St. Louis Choral Community Presents: SONGS OF THE SILVER SCREEN
Sun, May 31, 3:00 PM
Chesterfield · Purser Center at Logan University
Going fast
PAINT & SIP: Pass the Painting Challenge
Mon, Jun 22, 6:00 PM
Cottleville · Frankie Martin's Garden
Going fast
PAINT & SIP: Pass the Painting Challenge
Mon, Jun 22, 6:00 PM
Cottleville · Frankie Martin's Garden
St. Louis Speed Dating for Singles Age 25-45 ♥ Saint Charles Missouri at Chicken N Pickle
Wed, May 20, 6:30 PM
Saint Charles · Chicken N Pickle
St. Louis Speed Dating for Singles Age 25-45 ♥ Saint Charles Missouri at Chicken N Pickle
Wed, May 20, 6:30 PM
Saint Charles · Chicken N Pickle
An Evening with Seanan McGuire- INKPOT GODS
Mon, Jun 8, 7:00 PM
Saint Charles · St. Charles City-County Library, Kisker Road Branch
An Evening with Seanan McGuire- INKPOT GODS
Mon, Jun 8, 7:00 PM
Saint Charles · St. Charles City-County Library, Kisker Road Branch

Trends in O'Fallon

Explore more trends

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

SaSSy in St. Louis (A Sexy and SaSSy Signing Event)

Music & Mimosa Festival

Breakfast in America—A Supertramp Celebration

5/19 - St. Peters, MO - A Derby Soiree

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

carnival festival

events happening today near me

Which events are coming up?

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

Second Annual Just GLO Up Conference

Pickleball with a Purpose: Mind the Gap STL Fundraiser

Tongue & Groove | RYSE Nightclub at Ameristar Casino Resort Spa

When Life Gives Lemons...Sip Tea