Memorial day weekend Events and Things to do in O'Fallon, IL

GRL Weekend 2026: You Are Art!
Fri, Aug 7, 6:30 PM + 2 more
Brentwood · Monarch Beauty Collective
GRL Weekend 2026: You Are Art!
Fri, Aug 7, 6:30 PM + 2 more
Brentwood · Monarch Beauty Collective
Belleville Main Square Art Fair
Fri, Jul 31, 10:00 AM
Belleville · Public Square
Belleville Main Square Art Fair
Fri, Jul 31, 10:00 AM
Belleville · Public Square
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
2026 Saint Louis Summer Arts, Crafts & Vendor Market
Fri, Aug 7, 10:00 AM
St. Louis · 4257 Northeast Dr
2026 Saint Louis Summer Arts, Crafts & Vendor Market
Fri, Aug 7, 10:00 AM
St. Louis · 4257 Northeast Dr
4th Annual: Sundresses & Linens Party
Sat, Sep 5, 7:00 PM
St. Louis · Treasures
4th Annual: Sundresses & Linens Party
Sat, Sep 5, 7:00 PM
St. Louis · Treasures
Elevated - Independence Day Kick-off
Fri, Jul 3, 6:00 PM
St. Louis · 705 Olive St
Elevated - Independence Day Kick-off
Fri, Jul 3, 6:00 PM
St. Louis · 705 Olive St
Going fast
STL BLACK RODEO “DAY PARTY” @ HOUSE OF SOUL
Sat, Jun 20, 3:00 PM
St. Louis · The House Of Soul
Going fast
STL BLACK RODEO “DAY PARTY” @ HOUSE OF SOUL
Sat, Jun 20, 3:00 PM
St. Louis · The House Of Soul
STL Mystic Fair ~ November 2026
Fri, Nov 20, 3:00 PM
Bridgeton · Machinists Hall Inc
STL Mystic Fair ~ November 2026
Fri, Nov 20, 3:00 PM
Bridgeton · Machinists Hall Inc
Just added
St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20
Fri, Aug 21, 10:00 AM
St. Louis · Tower Grove Park
Just added
St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20
Fri, Aug 21, 10:00 AM
St. Louis · Tower Grove Park
FRIDAYS @GREENWOOD
Friday at 8:00 PM + 37 more
St. Louis · Greenwood Restaurant
FRIDAYS @GREENWOOD
Friday at 8:00 PM + 37 more
St. Louis · Greenwood Restaurant
PMP Weekend Training in St. Louis, MO – 4-Day PMP Bootcamp
Saturday at 9:00 AM + 28 more
St. Louis · Regus - St. Louis - Downtown - Deloitte Building
PMP Weekend Training in St. Louis, MO – 4-Day PMP Bootcamp
Saturday at 9:00 AM + 28 more
St. Louis · Regus - St. Louis - Downtown - Deloitte Building
SAW The Musical The Unauthorized Parody of Saw (St. Louis)
Today at 1:00 PM + 7 more
St. Louis · Gaslight Theater
SAW The Musical The Unauthorized Parody of Saw (St. Louis)
Today at 1:00 PM + 7 more
St. Louis · Gaslight Theater
SophistAKAted Sunday Block Party 2026
Sun, Jun 28, 4:00 PM
St. Louis · Soul 2 Soul
SophistAKAted Sunday Block Party 2026
Sun, Jun 28, 4:00 PM
St. Louis · Soul 2 Soul
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO
Saturday at 9:00 AM + 4 more
St. Louis · 4625 Lindell Blvd
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO
Saturday at 9:00 AM + 4 more
St. Louis · 4625 Lindell Blvd
Hash & Gas Expo
Sat, Jul 11, 11:00 AM
St. Louis · 921 La Beaume Ave
Hash & Gas Expo
Sat, Jul 11, 11:00 AM
St. Louis · 921 La Beaume Ave
PMI PMP® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
PMI PMP® Certification Training Course – 4-Day St Louis Bootcamp
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
More People Like You Awards
Sun, Jun 28, 4:00 PM
St Louis · Saint Louis University Center For Global Citizenship
More People Like You Awards
Sun, Jun 28, 4:00 PM
St Louis · Saint Louis University Center For Global Citizenship
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Lean Six Sigma Green & Black Belt Training with Exam Voucher in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St. Louis · 100 S 4th St Deloitte Building, Suite 550
Lean Six Sigma Green & Black Belt Training with Exam Voucher in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St. Louis · 100 S 4th St Deloitte Building, Suite 550
In-Person LSSGB Exam Prep Course in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550
In-Person LSSGB Exam Prep Course in St Louis
Tue, Jul 7, 9:00 AM + 11 more
St Louis · 100 S 4th St Deloitte Building, Suite 550

Trends in O'Fallon

Explore more trends

GRL Weekend 2026: You Are Art!

GRL Weekend 2026: You Are Art!

Belleville Main Square Art Fair

Belleville Main Square Art Fair

St. Charles Heritage Craft Festival

St. Charles Heritage Craft Festival

2026 Saint Louis Summer Arts, Crafts & Vendor Market

2026 Saint Louis Summer Arts, Crafts & Vendor Market

4th Annual: Sundresses & Linens Party

4th Annual: Sundresses & Linens Party

Elevated - Independence Day Kick-off

Elevated - Independence Day Kick-off

STL BLACK RODEO “DAY PARTY” @ HOUSE OF SOUL

STL BLACK RODEO “DAY PARTY” @ HOUSE OF SOUL

STL Mystic Fair ~ November 2026

STL Mystic Fair ~ November 2026

St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20

St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20

FRIDAYS @GREENWOOD

FRIDAYS @GREENWOOD

PMP Weekend Training in St. Louis, MO – 4-Day PMP Bootcamp

PMP Weekend Training in St. Louis, MO – 4-Day PMP Bootcamp

SAW The Musical The Unauthorized Parody of Saw (St. Louis)

SAW The Musical The Unauthorized Parody of Saw (St. Louis)

SophistAKAted Sunday Block Party 2026

SophistAKAted Sunday Block Party 2026

CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO

CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in St. Louis, MO

Hash & Gas Expo

Hash & Gas Expo

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

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

More People Like You Awards

More People Like You Awards

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

Lean Six Sigma Green & Black Belt Training with Exam Voucher in St Louis

Lean Six Sigma Green & Black Belt Training with Exam Voucher in St Louis

In-Person LSSGB Exam Prep Course in St Louis

In-Person LSSGB Exam Prep Course in St Louis

Things to do around O'Fallon

Trends in O'Fallon

1. Memorial day weekend

2. Mothers day brunch

3. Events happening today near me

4. Mothers day weekend events near me

5. Mother's day

6. Scramble golf tournaments

7. Car shows

8. Job fairs

9. Singles

10. Comedy shows

11. Vendor events

12. Kid friendly