find Halloween events for every vibe.

Dog event events in O'fallon, MO

2025 Game Changer Award Ceremony and Brunch
Sat, Jan 10, 11:00 AM
Richmond Heights · Vue 17: Event Center & Production
2025 Game Changer Award Ceremony and Brunch
Sat, Jan 10, 11:00 AM
Richmond Heights · Vue 17: Event Center & Production
The Cure Church St. Louis Murder Mystery Dinner Event
Sat, Nov 8, 6:00 PM
Pattonville · 11144 Old Saint Charles Road, Saint Ann, MO, USA
The Cure Church St. Louis Murder Mystery Dinner Event
Sat, Nov 8, 6:00 PM
Pattonville · 11144 Old Saint Charles Road, Saint Ann, MO, USA
Trunk or Treat
Sun, Oct 26, 3:00 PM
Fenton · Arise Church
Trunk or Treat
Sun, Oct 26, 3:00 PM
Fenton · Arise Church
Sales end soon
Wombo w/ Ribbon Skirt
Sunday at 8:00 PM
Patch · The Sinkhole
Sales end soon
Wombo w/ Ribbon Skirt
Sunday at 8:00 PM
Patch · The Sinkhole
Arab Patrol of the Moolah Shriners' Collector Fest
Sat, Nov 15, 9:00 AM
Missouri · 12545 Fee Fee Rd
Arab Patrol of the Moolah Shriners' Collector Fest
Sat, Nov 15, 9:00 AM
Missouri · 12545 Fee Fee Rd
TKE x Sunnen: Car Show for St. Jude
Sun, Oct 19, 11:00 AM
Lake Junction · 7910 Manchester Rd
TKE x Sunnen: Car Show for St. Jude
Sun, Oct 19, 11:00 AM
Lake Junction · 7910 Manchester Rd
5th Annual Country Christmas Craft and Vendor Event
Sat, Dec 6, 10:00 AM + 1 more
O'Fallon · O'Fallon Elks Lodge
5th Annual Country Christmas Craft and Vendor Event
Sat, Dec 6, 10:00 AM + 1 more
O'Fallon · O'Fallon Elks Lodge
The St. Louis Showcase
Thu, Nov 13, 7:00 PM
Kings Oak · Platypus
The St. Louis Showcase
Thu, Nov 13, 7:00 PM
Kings Oak · Platypus
Humana Medicare Sales Event
Thu, Oct 16, 3:00 PM
Ellisville · The Corner Pub and Grill
Humana Medicare Sales Event
Thu, Oct 16, 3:00 PM
Ellisville · The Corner Pub and Grill
Poetry Workshop (Facilitated by Holly Sinclair & Hosted by Tiny Postcards)
Wed, Nov 5, 6:00 PM
Dutchtown · Tiny Postcards Counseling & Creative Arts LLC
Poetry Workshop (Facilitated by Holly Sinclair & Hosted by Tiny Postcards)
Wed, Nov 5, 6:00 PM
Dutchtown · Tiny Postcards Counseling & Creative Arts LLC
Appleseeds & Tomato Leaves: An Education Evening wi Lairds Moletto
Thursday at 6:00 PM
Lake Junction · Off Elm
Appleseeds & Tomato Leaves: An Education Evening wi Lairds Moletto
Thursday at 6:00 PM
Lake Junction · Off Elm
Trunk or Treat at Rooftop Church
Sun, Oct 26, 5:00 PM
Affton · Rooftop Church
Trunk or Treat at Rooftop Church
Sun, Oct 26, 5:00 PM
Affton · Rooftop Church
Helping Hands Bocce Tournament SPOOKtacular!
Sat, Oct 25, 11:00 AM
The Hill · Milo's Bocce Garden
Helping Hands Bocce Tournament SPOOKtacular!
Sat, Oct 25, 11:00 AM
The Hill · Milo's Bocce Garden
Ferrari Club Annual Banquet 2025
Sat, Nov 8, 6:00 PM
Acme Heights · 9841 Old Warson Rd
Ferrari Club Annual Banquet 2025
Sat, Nov 8, 6:00 PM
Acme Heights · 9841 Old Warson Rd
OCTOBER - NTx NETWORKING LUNCH
Tue, Oct 14, 12:00 PM
St. Charles · The Commons Fitness Center
OCTOBER - NTx NETWORKING LUNCH
Tue, Oct 14, 12:00 PM
St. Charles · The Commons Fitness Center
Nearly full
Ginworld 10th Anniversary Gin Festival – St. Louis
Sun, Oct 12, 12:00 PM
Ellendale · Majorette
Nearly full
Ginworld 10th Anniversary Gin Festival – St. Louis
Sun, Oct 12, 12:00 PM
Ellendale · Majorette
UPCI Annual Picnic
Tue, Oct 14, 11:30 AM
St. Peters · 1000 Lakeside Park Dr
UPCI Annual Picnic
Tue, Oct 14, 11:30 AM
St. Peters · 1000 Lakeside Park Dr
Sales end soon
ST LOUIS FALL FEST CAR AND BIKE SHOW
Tomorrow at 12:00 PM
Missouri · 2677 Dunn Rd
Sales end soon
ST LOUIS FALL FEST CAR AND BIKE SHOW
Tomorrow at 12:00 PM
Missouri · 2677 Dunn Rd
Wine Tasting Cage Match: Sip, Support & Showdown
Fri, Oct 10, 5:30 PM
Windsor Springs · The Wine Barrel
Wine Tasting Cage Match: Sip, Support & Showdown
Fri, Oct 10, 5:30 PM
Windsor Springs · The Wine Barrel
Veterans Day Commemoration hosted by MAC and Rotary Club of St. Louis
Thu, Nov 6, 11:30 AM
Downtown · Missouri Athletic Club
Veterans Day Commemoration hosted by MAC and Rotary Club of St. Louis
Thu, Nov 6, 11:30 AM
Downtown · Missouri Athletic Club

Trends in O'fallon

Explore more trends

2025 Game Changer Award Ceremony and Brunch

2025 Game Changer Award Ceremony and Brunch

The Cure Church St. Louis Murder Mystery Dinner Event

The Cure Church St. Louis Murder Mystery Dinner Event

Trunk or Treat

Trunk or Treat

Wombo w/ Ribbon Skirt

Wombo w/ Ribbon Skirt

Arab Patrol of the Moolah Shriners' Collector Fest

Arab Patrol of the Moolah Shriners' Collector Fest

TKE x Sunnen: Car Show for St. Jude

TKE x Sunnen: Car Show for St. Jude

5th Annual Country Christmas Craft and Vendor Event

5th Annual Country Christmas Craft and Vendor Event

The St. Louis Showcase

The St. Louis Showcase

Humana Medicare Sales Event

Humana Medicare Sales Event

Poetry Workshop (Facilitated by Holly Sinclair & Hosted by Tiny Postcards)

Poetry Workshop (Facilitated by Holly Sinclair & Hosted by Tiny Postcards)

Appleseeds & Tomato Leaves: An Education Evening wi Lairds Moletto

Appleseeds & Tomato Leaves: An Education Evening wi Lairds Moletto

Trunk or Treat at Rooftop Church

Trunk or Treat at Rooftop Church

Helping Hands Bocce Tournament SPOOKtacular!

Helping Hands Bocce Tournament SPOOKtacular!

Ferrari Club Annual Banquet 2025

Ferrari Club Annual Banquet 2025

OCTOBER - NTx NETWORKING LUNCH

OCTOBER - NTx NETWORKING LUNCH

Ginworld 10th Anniversary Gin Festival – St. Louis

Ginworld 10th Anniversary Gin Festival – St. Louis

UPCI Annual Picnic

UPCI Annual Picnic

ST LOUIS FALL FEST CAR AND BIKE SHOW

ST LOUIS FALL FEST CAR AND BIKE SHOW

Wine Tasting Cage Match: Sip, Support & Showdown

Wine Tasting Cage Match: Sip, Support & Showdown

Veterans Day Commemoration hosted by MAC and Rotary Club of St. Louis

Veterans Day Commemoration hosted by MAC and Rotary Club of St. Louis

Things to do around O'fallon

Trends in O'fallon

1. Events happening today near me

2. Car shows

3. Scramble golf tournaments

4. Crafts fair

5. Trunk or treat

6. October

7. Job fairs

8. Puppy yoga

9. Kids

10. Halloween party

11. Puff and paint

12. Music bingo