Events in O'Fallon, IL

Search for something you love or check out popular events in your area.

Breastfeeding Class
Wed, Mar 4, 6:00 PM
Maryville · Anderson Hospital
Breastfeeding Class
Wed, Mar 4, 6:00 PM
Maryville · Anderson Hospital
2026 STL TechWeek
Mon, Apr 13, 9:00 AM
St. Louis · America's Center Convention Complex
2026 STL TechWeek
Mon, Apr 13, 9:00 AM
St. Louis · America's Center Convention Complex
Almost full
Caffeine and Chrome - Gateway Classic Cars of St. Louis
Saturday at 9:00 AM
O'Fallon · 1237 Central Park Dr
Almost full
Caffeine and Chrome - Gateway Classic Cars of St. Louis
Saturday at 9:00 AM
O'Fallon · 1237 Central Park Dr
Women In Business - Business Values Workshop
Sat, Mar 21, 11:00 AM
O'Fallon · 635 S Lincoln Ave
Women In Business - Business Values Workshop
Sat, Mar 21, 11:00 AM
O'Fallon · 635 S Lincoln Ave
The Swain Group’s Easter Eggster-Experience
Sat, Apr 4, 11:00 AM
Collinsville · Willoughby Heritage Farm
The Swain Group’s Easter Eggster-Experience
Sat, Apr 4, 11:00 AM
Collinsville · Willoughby Heritage Farm
LaSha’s Baby Shower
Sat, Mar 7, 3:00 PM
Madison · Venice Township
LaSha’s Baby Shower
Sat, Mar 7, 3:00 PM
Madison · Venice Township
Hometeam Homeowners 2026
Sat, Mar 28, 12:00 PM
East St. Louis · 540 N 6th St
Hometeam Homeowners 2026
Sat, Mar 28, 12:00 PM
East St. Louis · 540 N 6th St
2026 Saint Patrick's Patio Party at Molly's!
Sat, Mar 14, 1:00 PM
St. Louis · Mollys in Soulard
2026 Saint Patrick's Patio Party at Molly's!
Sat, Mar 14, 1:00 PM
St. Louis · Mollys in Soulard
Networking With a Purpose
Thu, Mar 19, 3:00 PM
St. Louis · TechArtista Downtown
Networking With a Purpose
Thu, Mar 19, 3:00 PM
St. Louis · TechArtista Downtown
Unfiltered & Unapologetic - Belleville
Thu, Mar 5, 11:30 AM
Belleville · Tavern On Main
Unfiltered & Unapologetic - Belleville
Thu, Mar 5, 11:30 AM
Belleville · Tavern On Main
Sip, See, & Say I Do! Wedding Planning Open House
Today at 5:00 PM
St. Louis · 2017 Chouteau Ave
Sip, See, & Say I Do! Wedding Planning Open House
Today at 5:00 PM
St. Louis · 2017 Chouteau Ave
Metro East Real Estate Investors Association Monthly Meeting
Mon, Mar 9, 5:30 PM
Fairview Heights · Stonewolf Golf Club & Event Center
Metro East Real Estate Investors Association Monthly Meeting
Mon, Mar 9, 5:30 PM
Fairview Heights · Stonewolf Golf Club & Event Center
Urshan Preview Weekend Spring 2026
Thu, Apr 9, 1:00 PM
Wentzville · Urshan University
Urshan Preview Weekend Spring 2026
Thu, Apr 9, 1:00 PM
Wentzville · Urshan University
STL: 314 Day Special: Creative Love, STEM & Plant Community Party
Sat, Mar 14, 2:00 PM
St. Louis · 2035 Washington Ave
STL: 314 Day Special: Creative Love, STEM & Plant Community Party
Sat, Mar 14, 2:00 PM
St. Louis · 2035 Washington Ave
Brandon Lake - World Vision Volunteers - St. Louis, MO
Sun, Apr 12, 4:30 PM
St. Louis · Enterprise Center
Brandon Lake - World Vision Volunteers - St. Louis, MO
Sun, Apr 12, 4:30 PM
St. Louis · Enterprise Center
Sales end soon
The Forsytes Premiere Screening
Saturday at 3:00 PM
St. Louis · Nine PBS
Sales end soon
The Forsytes Premiere Screening
Saturday at 3:00 PM
St. Louis · Nine PBS
Almost full
314 Day Party with Nine PBS!
Sat, Mar 14, 2:30 PM
St. Louis · Nine PBS
Almost full
314 Day Party with Nine PBS!
Sat, Mar 14, 2:30 PM
St. Louis · Nine PBS
You’re Sitting on a Goldmine: Unlock It with DTD2
Mon, Mar 16, 1:30 PM
O'Fallon · 108 W State St
You’re Sitting on a Goldmine: Unlock It with DTD2
Mon, Mar 16, 1:30 PM
O'Fallon · 108 W State St
Going fast
Mara Machines/RTM Present: Reels on Wheels Tour '26 - St. Louis, MO
Wednesday at 6:30 PM
St. Louis · Shock City Studios
Going fast
Mara Machines/RTM Present: Reels on Wheels Tour '26 - St. Louis, MO
Wednesday at 6:30 PM
St. Louis · Shock City Studios
Going fast
National Mentoring Month | Midtown Meet-up
Thursday at 5:30 PM
St. Louis · ANEW Rooftop
Going fast
National Mentoring Month | Midtown Meet-up
Thursday at 5:30 PM
St. Louis · ANEW Rooftop

Trends in O'Fallon

Explore more trends

Frequently asked questions about O'Fallon

What are the best events to attend?

According to Eventbrite, the best events are:

Breastfeeding Class

2026 STL TechWeek

Women In Business - Business Values Workshop

The Swain Group’s Easter Eggster-Experience

Which events are currently trending in O'Fallon?

The trending searches this month in O'Fallon are:

events happening today near me

valentines day events

job fairs

singles

Which events are coming up?

Discover the best events happening soon – you don’t want to miss them:

Sip, See, & Say I Do! Wedding Planning Open House

Mara Machines/RTM Present: Reels on Wheels Tour '26 - St. Louis, MO

National Mentoring Month | Midtown Meet-up

Caffeine and Chrome - Gateway Classic Cars of St. Louis

Breastfeeding Class

Breastfeeding Class

2026 STL TechWeek

2026 STL TechWeek

Caffeine and Chrome - Gateway Classic Cars of St. Louis

Caffeine and Chrome - Gateway Classic Cars of St. Louis

Women In Business - Business Values Workshop

Women In Business - Business Values Workshop

The Swain Group’s Easter Eggster-Experience

The Swain Group’s Easter Eggster-Experience

LaSha’s Baby Shower

LaSha’s Baby Shower

Hometeam Homeowners 2026

Hometeam Homeowners 2026

2026 Saint Patrick's Patio Party at Molly's!

2026 Saint Patrick's Patio Party at Molly's!

Networking With a Purpose

Networking With a Purpose

Unfiltered & Unapologetic - Belleville

Unfiltered & Unapologetic - Belleville

Sip, See, & Say I Do! Wedding Planning Open House

Sip, See, & Say I Do! Wedding Planning Open House

Metro East Real Estate Investors Association Monthly Meeting

Metro East Real Estate Investors Association Monthly Meeting

Urshan Preview Weekend Spring 2026

Urshan Preview Weekend Spring 2026

STL: 314 Day Special: Creative Love, STEM & Plant Community Party

STL: 314 Day Special: Creative Love, STEM & Plant Community Party

Brandon Lake - World Vision Volunteers - St. Louis, MO

Brandon Lake - World Vision Volunteers - St. Louis, MO

The Forsytes Premiere Screening

The Forsytes Premiere Screening

314 Day Party with Nine PBS!

314 Day Party with Nine PBS!

You’re Sitting on a Goldmine: Unlock It with DTD2

You’re Sitting on a Goldmine: Unlock It with DTD2

Mara Machines/RTM Present: Reels on Wheels Tour '26 - St. Louis, MO

Mara Machines/RTM Present: Reels on Wheels Tour '26 - St. Louis, MO

National Mentoring Month | Midtown Meet-up

National Mentoring Month | Midtown Meet-up

Things to do around O'Fallon

Trends in O'Fallon

1. Events happening today near me

2. Valentines day events

3. Job fairs

4. Singles

5. Scramble golf tournaments

6. Kids events

7. Kid friendly

8. Open mic

9. Comedy shows

10. Trivia

11. Speed dating

12. Mother's day