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Events and Things to do in O'fallon, IL

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Family Fall Fest
Sun, Oct 25, 2:00 PM
Illinois · 4199 Boyd Rd
Family Fall Fest
Sun, Oct 25, 2:00 PM
Illinois · 4199 Boyd Rd
The Rocky Horror Picture Show 2026 with Flustered Mustard
Sat, Oct 24, 9:30 PM
Meadow Heights · Miners Theater
The Rocky Horror Picture Show 2026 with Flustered Mustard
Sat, Oct 24, 9:30 PM
Meadow Heights · Miners Theater
Almost full
2026 Mayor's Celebration of Businesses, Powered by SLDC
Thursday at 11:00 AM
Columbus Square · Marriott St. Louis Grand Hotel
Almost full
2026 Mayor's Celebration of Businesses, Powered by SLDC
Thursday at 11:00 AM
Columbus Square · Marriott St. Louis Grand Hotel
St. Louis Street Food Festival
Sat, Oct 24, 2:00 PM
Downtown · Ballpark Village
St. Louis Street Food Festival
Sat, Oct 24, 2:00 PM
Downtown · Ballpark Village
2026 East-West Gateway Council of Governments Annual Meeting
Fri, Nov 13, 10:00 AM
Downtown · Hyatt Regency St. Louis at The Arch
2026 East-West Gateway Council of Governments Annual Meeting
Fri, Nov 13, 10:00 AM
Downtown · Hyatt Regency St. Louis at The Arch
Almost full
Books By The Arch
Sat, Oct 17, 11:00 AM
Downtown · Hyatt Regency St. Louis at The Arch
Almost full
Books By The Arch
Sat, Oct 17, 11:00 AM
Downtown · Hyatt Regency St. Louis at The Arch
Sales end soon
Fall Fest at The Venue at Jacob Street- Vendor Registration
Saturday at 9:00 AM
St. Jacob · 407 Jacob St
Sales end soon
Fall Fest at The Venue at Jacob Street- Vendor Registration
Saturday at 9:00 AM
St. Jacob · 407 Jacob St
Almost full
4th Annual Night of Real Rock Radio Klassics w Dude Abides and Blue Marlin
Sat, Nov 21, 7:00 PM
Meadow Heights · Miners Theater
Almost full
4th Annual Night of Real Rock Radio Klassics w Dude Abides and Blue Marlin
Sat, Nov 21, 7:00 PM
Meadow Heights · Miners Theater
Selling fast
Toast to TATE
Mon, Oct 5, 4:30 PM
Leclaire · 1818 Chophouse
Selling fast
Toast to TATE
Mon, Oct 5, 4:30 PM
Leclaire · 1818 Chophouse
5th Annual BOOBash
Fri, Oct 9, 7:00 PM
Lasalle Park · 4 Hands Brewing Company
5th Annual BOOBash
Fri, Oct 9, 7:00 PM
Lasalle Park · 4 Hands Brewing Company
Selling fast
HALLOWEEN AT THE BIG ASS HOUSE
Fri, Oct 30, 7:00 PM
Near North Riverfront · 3615 19th St
Selling fast
HALLOWEEN AT THE BIG ASS HOUSE
Fri, Oct 30, 7:00 PM
Near North Riverfront · 3615 19th St
Escape Album Release Party w/ One Way Traffic and EarthSol Duo
Sat, Oct 17, 7:00 PM
Belleville · Silver Creek Sports & Social
Escape Album Release Party w/ One Way Traffic and EarthSol Duo
Sat, Oct 17, 7:00 PM
Belleville · Silver Creek Sports & Social
Starfall Ball & Book Release Party
Mon, Oct 26, 10:00 PM
Belleville · Belleville Books
Starfall Ball & Book Release Party
Mon, Oct 26, 10:00 PM
Belleville · Belleville Books
Restaurant of the Week: Belleville | Small Town Edition
Sun, Oct 18, 7:00 PM + 2 more
Belleville · Restaurant of the Week
Restaurant of the Week: Belleville | Small Town Edition
Sun, Oct 18, 7:00 PM + 2 more
Belleville · Restaurant of the Week
Almost full
Hard Candy St Louis with Sam Star
Tue, Oct 6, 7:00 PM
Downtown West · The Crack Fox
Almost full
Hard Candy St Louis with Sam Star
Tue, Oct 6, 7:00 PM
Downtown West · The Crack Fox
3rd Annual ShinSings Orchestra Sinatra Big Band Christmas Celebration
Sat, Dec 19, 7:00 PM
Meadow Heights · Miners Theater
3rd Annual ShinSings Orchestra Sinatra Big Band Christmas Celebration
Sat, Dec 19, 7:00 PM
Meadow Heights · Miners Theater
BIG BOOGIE BIRTHDAY TOUR
Sat, Nov 14, 10:00 PM
East St. Louis · Blackmon's Plaza
BIG BOOGIE BIRTHDAY TOUR
Sat, Nov 14, 10:00 PM
East St. Louis · Blackmon's Plaza
Oktoberfest 2026
Fri, Oct 9, 3:00 PM
Lasalle Park · Soulard Farmers Market
Oktoberfest 2026
Fri, Oct 9, 3:00 PM
Lasalle Park · Soulard Farmers Market
Erin French | The Lost Kitchen Volume 3: Seize the Supper
Sat, Oct 24, 7:00 PM
Covenant Blu · The Sun Theatre
Erin French | The Lost Kitchen Volume 3: Seize the Supper
Sat, Oct 24, 7:00 PM
Covenant Blu · The Sun Theatre
2026 - COGIC - ADJUTANT GENERAL'S LUNCHEON
Thu, Nov 5, 2:00 PM
Columbus Square · 800 Washington Ave
2026 - COGIC - ADJUTANT GENERAL'S LUNCHEON
Thu, Nov 5, 2:00 PM
Columbus Square · 800 Washington Ave

Trends in O'fallon

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Frequently asked questions about O'fallon

What are the best events to attend?

According to Eventbrite, the best events are:

Family Fall Fest

The Rocky Horror Picture Show 2026 with Flustered Mustard

St. Louis Street Food Festival

2026 East-West Gateway Council of Governments Annual Meeting

Which events are currently trending in O'fallon?

The trending searches this month in O'fallon are:

memorial day weekend

mothers day brunch

events happening today near me

mothers day weekend events near me

Which events are coming up?

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

2026 Mayor's Celebration of Businesses, Powered by SLDC

Fall Fest at The Venue at Jacob Street- Vendor Registration

Hard Candy St Louis with Sam Star