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Events and Things to do in O'Fallon, MO

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Sales end soon
SaSSy in St. Louis (A Sexy and SaSSy Signing Event)
Saturday at 11:00 AM
Saint Charles · St. Charles Convention Center
Sales end soon
SaSSy in St. Louis (A Sexy and SaSSy Signing Event)
Saturday at 11:00 AM
Saint Charles · St. Charles Convention Center
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
Music & Mimosa Festival
Sun, May 31, 2:00 PM
Saint Charles · The Wine Garden
Almost full
Music & Mimosa Festival
Sun, May 31, 2:00 PM
Saint Charles · The Wine Garden
Sales end soon
Agent STC Presents: K.E.Y. Talks
Thursday at 9:00 AM
St. Peters · Water's Edge Banquet Center
Sales end soon
Agent STC Presents: K.E.Y. Talks
Thursday at 9:00 AM
St. Peters · Water's Edge Banquet Center
Going fast
My Lil Lemon Drop Day Party STL
Saturday at 5:00 PM
Saint Charles · Chicken N Pickle - St. Charles
Going fast
My Lil Lemon Drop Day Party STL
Saturday at 5:00 PM
Saint Charles · Chicken N Pickle - St. Charles
Almost full
6/8 - St. Peters, MO - Gold Rush
Mon, Jun 8, 7:00 PM
St. Peters · 5300 N Service Rd
Almost full
6/8 - St. Peters, MO - Gold Rush
Mon, Jun 8, 7:00 PM
St. Peters · 5300 N Service Rd
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
Going fast
Student Summit
Chesterfield · Undivided Experience Center
Going fast
Student Summit
Chesterfield · Undivided Experience Center
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
Going fast
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
Allegro: a St. Louis Choral Community Presents: SONGS OF THE SILVER SCREEN
Sun, May 31, 3:00 PM
Chesterfield · Purser Center at Logan University
An Evening with New York Times Bestselling Author Lisa See
Wed, Jun 24, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
An Evening with New York Times Bestselling Author Lisa See
Wed, Jun 24, 7:00 PM
St. Peters · St. Charles City-County Library, Spencer Road Branch
Going fast
Goat Yoga at Flower Coffee Collective - Wentzville, MO
Sun, Jun 14, 10:30 AM
Wentzville · 5020 Hwy P
Going fast
Goat Yoga at Flower Coffee Collective - Wentzville, MO
Sun, Jun 14, 10:30 AM
Wentzville · 5020 Hwy P
Almost full
PAINT & SIP: Pass the Painting Challenge
Mon, Jun 22, 6:00 PM
Cottleville · Frankie Martin's Garden
Almost full
PAINT & SIP: Pass the Painting Challenge
Mon, Jun 22, 6:00 PM
Cottleville · Frankie Martin's Garden
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
Sales end soon
St. Charles Market Strawberry Festival Jam/Jelly Contest
Saturday at 11:00 AM
Saint Charles · North Main Street
Sales end soon
St. Charles Market Strawberry Festival Jam/Jelly Contest
Saturday at 11:00 AM
Saint Charles · North Main Street
Sales end soon
Honoring the Reality of Loss: In Person St. Louis/St. Charles Meeting
Friday at 9:30 AM
Bridgeton · The Sarah Community
Sales end soon
Honoring the Reality of Loss: In Person St. Louis/St. Charles Meeting
Friday at 9:30 AM
Bridgeton · The Sarah Community
The Legacy Lives On Duane DT Tolen Foundation Benefit Concert
Sun, Jul 12, 4:00 PM
St. Peters · Water’s Edge Banquet Center @St Peters Golf Course
The Legacy Lives On Duane DT Tolen Foundation Benefit Concert
Sun, Jul 12, 4:00 PM
St. Peters · Water’s Edge Banquet Center @St Peters Golf Course
National Service Dog Conference
Sun, Jul 12, 9:00 AM
Saint Charles · St. Charles Convention Center
National Service Dog Conference
Sun, Jul 12, 9:00 AM
Saint Charles · St. Charles Convention Center
Sunday Funday~ Yoga at Cottle Village June 7 @ 10:15
Sun, Jun 7, 10:15 AM
Cottleville · Cottle Village
Sunday Funday~ Yoga at Cottle Village June 7 @ 10:15
Sun, Jun 7, 10:15 AM
Cottleville · Cottle Village

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:

Breakfast in America—A Supertramp Celebration

Music & Mimosa Festival

My Lil Lemon Drop Day Party STL

6/8 - St. Peters, MO - Gold Rush

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:

Agent STC Presents: K.E.Y. Talks

Honoring the Reality of Loss: In Person St. Louis/St. Charles Meeting

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

St. Charles Market Strawberry Festival Jam/Jelly Contest