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

Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
CISA Exam Prep In-Person Course in St Louis, MO
Tue, May 26, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
CISA Exam Prep In-Person Course in St Louis, MO
Tue, May 26, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
NIC Juneteenth 2026 in Soulard Park
Sat, Jun 13, 8:00 AM
St. Louis · Soulard Park
NIC Juneteenth 2026 in Soulard Park
Sat, Jun 13, 8:00 AM
St. Louis · Soulard Park
2026 Spring Open House - Wedding Product & Service Vendor Event
Sun, Jun 14, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
2026 Spring Open House - Wedding Product & Service Vendor Event
Sun, Jun 14, 12:00 PM
Saint Clair · Lost Hill Lake Wedding & Events
Betty's Books After Hours
Wed, May 20, 6:00 PM + 6 more
Webster Groves · Betty's Books
Betty's Books After Hours
Wed, May 20, 6:00 PM + 6 more
Webster Groves · Betty's Books
Sales end soon
Salesforce Administrator Training St Louis, MO In-Person Class
Wed, May 27, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
Salesforce Administrator Training St Louis, MO In-Person Class
Wed, May 27, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Mike Ford Jr Free Youth Football Camp
Sat, Jun 13, 10:00 AM
Alton · West Elementary School & Walker Stadium
Mike Ford Jr Free Youth Football Camp
Sat, Jun 13, 10:00 AM
Alton · West Elementary School & Walker Stadium
Going fast
The Art of Paper Marbling: Hands -On Workshop with St. Louis Artist
Sat, Sep 26, 8:30 AM
St. Louis · 6522 Walsh St
Going fast
The Art of Paper Marbling: Hands -On Workshop with St. Louis Artist
Sat, Sep 26, 8:30 AM
St. Louis · 6522 Walsh St
Project Management Techniques Training Bootcamp in Saint Louis, MO
Fri, May 22, 9:00 AM + 15 more
Saint Louis · Regus
Project Management Techniques Training Bootcamp in Saint Louis, MO
Fri, May 22, 9:00 AM + 15 more
Saint Louis · Regus
CISSP Preparation Training by Experts in St Louis, MO
Tue, May 26, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
CISSP Preparation Training by Experts in St Louis, MO
Tue, May 26, 9:00 AM + 1 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Data Analytics Certification Training in St. Louis, MO
Wed, May 27, 9:00 AM + 6 more
St. Louis · St. Louis, MO
Data Analytics Certification Training in St. Louis, MO
Wed, May 27, 9:00 AM + 6 more
St. Louis · St. Louis, MO
Missouri Bridal & Wedding Expo
Sun, May 31, 1:00 PM
St. Louis · America's Center Convention Complex
Missouri Bridal & Wedding Expo
Sun, May 31, 1:00 PM
St. Louis · America's Center Convention Complex
Eleventh + Om: Yoga at The AC Hotel Clayton - August
Sun, Aug 23, 11:00 AM
Clayton · AC Hotel St. Louis Clayton
Eleventh + Om: Yoga at The AC Hotel Clayton - August
Sun, Aug 23, 11:00 AM
Clayton · AC Hotel St. Louis Clayton
PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
13th Amendment Freedom Week Movement at NIC Juneteenth 2026 - Soulard Park
Sat, Jun 13, 8:00 AM
St. Louis · Soulard Park
13th Amendment Freedom Week Movement at NIC Juneteenth 2026 - Soulard Park
Sat, Jun 13, 8:00 AM
St. Louis · Soulard Park
2026 Official St. Louis 4th of July Bar Crawl
Sat, Jul 4, 5:00 PM
St. Louis · Great Grizzly Bear
2026 Official St. Louis 4th of July Bar Crawl
Sat, Jul 4, 5:00 PM
St. Louis · Great Grizzly Bear
St. Charles Heritage Craft Festival
Fri, Jul 10, 10:00 AM
Saint Charles · North Main Street
St. Charles Heritage Craft Festival
Fri, Jul 10, 10:00 AM
Saint Charles · North Main Street
Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Executive Bourbon Steward Prep Class at the ABV Barrel Shop (Arnold, MO)
Mon, Jun 8, 6:00 PM
Arnold · ABV Barrel Shop
Executive Bourbon Steward Prep Class at the ABV Barrel Shop (Arnold, MO)
Mon, Jun 8, 6:00 PM
Arnold · ABV Barrel Shop
Sales end soon
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, May 26, 9:00 AM + 2 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA

Trends in O'Fallon

Explore more trends

Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training

Lean Six Sigma Green & Black Belt Confirmed St Louis In-person Training

CISA Exam Prep In-Person Course in St Louis, MO

CISA Exam Prep In-Person Course in St Louis, MO

NIC Juneteenth 2026 in Soulard Park

NIC Juneteenth 2026 in Soulard Park

2026 Spring Open House - Wedding Product & Service Vendor Event

2026 Spring Open House - Wedding Product & Service Vendor Event

Betty's Books After Hours

Betty's Books After Hours

Salesforce Administrator Training St Louis, MO In-Person Class

Salesforce Administrator Training St Louis, MO In-Person Class

Mike Ford Jr Free Youth Football Camp

Mike Ford Jr Free Youth Football Camp

The Art of Paper Marbling: Hands -On Workshop with St. Louis Artist

The Art of Paper Marbling: Hands -On Workshop with St. Louis Artist

Project Management Techniques Training Bootcamp in Saint Louis, MO

Project Management Techniques Training Bootcamp in Saint Louis, MO

CISSP Preparation Training by Experts in St Louis, MO

CISSP Preparation Training by Experts in St Louis, MO

Data Analytics Certification Training in St. Louis, MO

Data Analytics Certification Training in St. Louis, MO

Missouri Bridal & Wedding Expo

Missouri Bridal & Wedding Expo

Eleventh + Om: Yoga at The AC Hotel Clayton - August

Eleventh + Om: Yoga at The AC Hotel Clayton - August

PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp

PMI CAPM® Certification Training Course – 4-Day St Louis Bootcamp

13th Amendment Freedom Week Movement at NIC Juneteenth 2026 - Soulard Park

13th Amendment Freedom Week Movement at NIC Juneteenth 2026 - Soulard Park

2026 Official St. Louis 4th of July Bar Crawl

2026 Official St. Louis 4th of July Bar Crawl

St. Charles Heritage Craft Festival

St. Charles Heritage Craft Festival

Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO

Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO

Executive Bourbon Steward Prep Class at the ABV Barrel Shop (Arnold, MO)

Executive Bourbon Steward Prep Class at the ABV Barrel Shop (Arnold, MO)

In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis

In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis

Things to do around O'Fallon

Trends in O'Fallon

1. Mothers day

2. Carnival festival

3. Cannabis_event

4. Events happening today near me

5. Mothers day brunch

6. Car shows

7. Scramble golf tournaments

8. Kids

9. Goat yoga

10. Bingo

11. Music bingo

12. Couples