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

Wentzville Community Historical Society Trivia Night '26
Fri, Sep 25, 6:00 PM
Wentzville · Wentzville Community Club
Wentzville Community Historical Society Trivia Night '26
Fri, Sep 25, 6:00 PM
Wentzville · Wentzville Community Club
Save-the-Date | 10-9-2026 | Andy's Seasoning, Inc. Community Wellness Fair
Fri, Oct 9, 10:00 AM
The Gate District · 2829 Chouteau Ave
Save-the-Date | 10-9-2026 | Andy's Seasoning, Inc. Community Wellness Fair
Fri, Oct 9, 10:00 AM
The Gate District · 2829 Chouteau Ave
Battle of the Decades: Ignite Hope Trivia Night
Sat, Oct 3, 6:00 PM
Natural Bridge Junction · 12365 St Charles Rock Rd
Battle of the Decades: Ignite Hope Trivia Night
Sat, Oct 3, 6:00 PM
Natural Bridge Junction · 12365 St Charles Rock Rd
The Ghoul House Pop Up Bar & Haunted Trail on Oct 28th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 28th
Cottleville · Public School House
Knit and Sip
Thu, Sep 24, 5:30 PM
Frenchtown · Magpie's Restaurant
Knit and Sip
Thu, Sep 24, 5:30 PM
Frenchtown · Magpie's Restaurant
St. Luke's Online Childbirth Class
Mon, Sep 28, 10:00 AM + 3 more
Altheim · St. Luke's Hospital
St. Luke's Online Childbirth Class
Mon, Sep 28, 10:00 AM + 3 more
Altheim · St. Luke's Hospital
The Ripening: An Autumn Equinox Celebration
Saturday at 6:00 PM
Lake Junction · Maypop Coffee & Garden Shop
The Ripening: An Autumn Equinox Celebration
Saturday at 6:00 PM
Lake Junction · Maypop Coffee & Garden Shop
FZW Class of 2006
Sat, Oct 3, 6:00 PM
Frenchtown · Chicken N Pickle - St. Charles
FZW Class of 2006
Sat, Oct 3, 6:00 PM
Frenchtown · Chicken N Pickle - St. Charles
WITCHES ON THE WATER GRAFTON, IL 2026
Sat, Oct 17, 12:00 PM
Grafton · The Loading Dock
WITCHES ON THE WATER GRAFTON, IL 2026
Sat, Oct 17, 12:00 PM
Grafton · The Loading Dock
Black & Gold New Year's Eve Ball
Thu, Dec 31, 8:30 PM
O'Fallon · 6722 State Rte N
Black & Gold New Year's Eve Ball
Thu, Dec 31, 8:30 PM
O'Fallon · 6722 State Rte N
Dinner with Business Owners | Florissant: Small Town Edition
Tue, Oct 13, 7:00 PM + 2 more
Cross Keys · Restaurant of the Week
Dinner with Business Owners | Florissant: Small Town Edition
Tue, Oct 13, 7:00 PM + 2 more
Cross Keys · Restaurant of the Week
The Breakfast Club Pink Posse Round-up for the Cure 2026
Fri, Oct 23, 7:00 PM
Natural Bridge Junction · Machinists Hall Inc
The Breakfast Club Pink Posse Round-up for the Cure 2026
Fri, Oct 23, 7:00 PM
Natural Bridge Junction · Machinists Hall Inc
The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th
Cottleville · Public School House
The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th
Cottleville · Public School House
SLMHF Trivia Night Goes Hollywood!
Sat, Sep 26, 6:00 PM
Olivette · Five Oaks on Warson
SLMHF Trivia Night Goes Hollywood!
Sat, Sep 26, 6:00 PM
Olivette · Five Oaks on Warson
Britney Buckwalter Wine & Spirits Live Mediumship Experience
Sun, Dec 20, 2:00 PM
Illinois · Pere Marquette Lodge & Conference Center.
Britney Buckwalter Wine & Spirits Live Mediumship Experience
Sun, Dec 20, 2:00 PM
Illinois · Pere Marquette Lodge & Conference Center.
Yoga and Mimosas
Sun, Oct 4, 10:30 AM
Flint Hill · 400 Crossroads Business Park Ct
Yoga and Mimosas
Sun, Oct 4, 10:30 AM
Flint Hill · 400 Crossroads Business Park Ct
Author Event - Ke Huy Quan, "Never Say Die"
Thu, Oct 1, 7:00 PM
Acme Heights · St. Louis County Library - Clark Family Branch
Author Event - Ke Huy Quan, "Never Say Die"
Thu, Oct 1, 7:00 PM
Acme Heights · St. Louis County Library - Clark Family Branch
Anime St. Louis 2027
Frenchtown · St. Charles Convention Center
Anime St. Louis 2027
Frenchtown · St. Charles Convention Center
Free Mahjong Open Play at Cork & Rind
Friday at 4:00 PM
St. Charles · Cork & Rind
Free Mahjong Open Play at Cork & Rind
Friday at 4:00 PM
St. Charles · Cork & Rind
3rd Breast Cancer Dinner Celebrating Survivors
Sat, Oct 17, 5:00 PM
Natural Bridge Junction · 12567 Natural Bridge Rd
3rd Breast Cancer Dinner Celebrating Survivors
Sat, Oct 17, 5:00 PM
Natural Bridge Junction · 12567 Natural Bridge Rd

Trends in O'fallon

Explore more trends

Wentzville Community Historical Society Trivia Night '26

Wentzville Community Historical Society Trivia Night '26

Save-the-Date | 10-9-2026 | Andy's Seasoning, Inc. Community Wellness Fair

Save-the-Date | 10-9-2026 | Andy's Seasoning, Inc. Community Wellness Fair

Battle of the Decades: Ignite Hope Trivia Night

Battle of the Decades: Ignite Hope Trivia Night

The Ghoul House Pop Up Bar & Haunted Trail on Oct 28th

The Ghoul House Pop Up Bar & Haunted Trail on Oct 28th

Knit and Sip

Knit and Sip

St. Luke's Online Childbirth Class

St. Luke's Online Childbirth Class

The Ripening: An Autumn Equinox Celebration

The Ripening: An Autumn Equinox Celebration

FZW Class of 2006

FZW Class of 2006

WITCHES ON THE WATER GRAFTON, IL 2026

WITCHES ON THE WATER GRAFTON, IL 2026

Black & Gold New Year's Eve Ball

Black & Gold New Year's Eve Ball

Dinner with Business Owners | Florissant: Small Town Edition

Dinner with Business Owners | Florissant: Small Town Edition

The Breakfast Club Pink Posse Round-up for the Cure 2026

The Breakfast Club Pink Posse Round-up for the Cure 2026

The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th

The Ghoul House Pop Up Bar & Haunted Trail on Oct 29th

SLMHF Trivia Night Goes Hollywood!

SLMHF Trivia Night Goes Hollywood!

Britney Buckwalter Wine & Spirits Live Mediumship Experience

Britney Buckwalter Wine & Spirits Live Mediumship Experience

Yoga and Mimosas

Yoga and Mimosas

Author Event - Ke Huy Quan, "Never Say Die"

Author Event - Ke Huy Quan, "Never Say Die"

Anime St. Louis 2027

Anime St. Louis 2027

Free Mahjong Open Play at Cork & Rind

Free Mahjong Open Play at Cork & Rind

3rd Breast Cancer Dinner Celebrating Survivors

3rd Breast Cancer Dinner Celebrating Survivors

Things to do around O'fallon

Trends in O'fallon

1. Mothers day

2. Carnival festival

3. Car shows

4. Events happening today near me

5. Mothers day brunch

6. Scramble golf tournaments

7. Cannabis_event

8. Kids

9. Crafts fair

10. Puff and paint

11. Job fairs

12. Music bingo