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Summer Events and Things to do in O'fallon, IL

CAPM Pass Guarantee In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
CAPM Pass Guarantee In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Dual LSS Green & Black Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
In-Person Dual Lean Six Sigma Green and Black Belt Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Almost full
Atomic Tea Time: A Mid-Century Tea Party by Belleville Historical Society
Sat, Jul 25, 12:30 PM
Belleville · 6 Oak Knoll Pl
Almost full
Atomic Tea Time: A Mid-Century Tea Party by Belleville Historical Society
Sat, Jul 25, 12:30 PM
Belleville · 6 Oak Knoll Pl
ComNetwork ST. LOUIS Summer Social
Thu, Aug 27, 3:00 PM
St. Louis · Modern Brewery & The Kings Oak
ComNetwork ST. LOUIS Summer Social
Thu, Aug 27, 3:00 PM
St. Louis · Modern Brewery & The Kings Oak
Six Sigma Black Belt Course with Exam Voucher Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Six Sigma Black Belt Course with Exam Voucher Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20
Fri, Aug 21, 10:00 AM
St. Louis · Tower Grove Park
St. Louis Summer Market Days: Food Trucks, Vendors & Creative Experience 20
Fri, Aug 21, 10:00 AM
St. Louis · Tower Grove Park
In-Person PMP Exam Prep Course in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
In-Person PMP Exam Prep Course in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Pass Guarantee In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Pass Guarantee In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
CAPM Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St. Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Sales end soon
CAPM Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St. Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Six Sigma Green Belt with Exam Voucher In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
Six Sigma Green Belt with Exam Voucher In-Person Training in St Louis
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
PMP Exam Prep In-Person Course in St Louis, MO
Tue, Jul 28, 9:00 AM + 10 more
St Louis · 100 S 4th St Deloitte Building, Suite 550, St Louis, Missouri, 63108, USA
St. Louis Christmas in July Bar Crawl 2026
Sat, Jul 25, 6:00 PM
St. Louis · Great Grizzly Bear
St. Louis Christmas in July Bar Crawl 2026
Sat, Jul 25, 6:00 PM
St. Louis · Great Grizzly Bear
Whiskey Dram Sunday: Soft and Sweet
Sun, Jul 26, 4:00 PM
MAPLEWOOD · Vom Fass St. Louis
Whiskey Dram Sunday: Soft and Sweet
Sun, Jul 26, 4:00 PM
MAPLEWOOD · Vom Fass St. Louis
Sales end soon
Sumenek Summer Fundraiser
Wednesday at 5:30 PM
St. Louis · 5546 Duchesne Parque Dr
Sales end soon
Sumenek Summer Fundraiser
Wednesday at 5:30 PM
St. Louis · 5546 Duchesne Parque Dr
Au Soleil Thursday Golden Hour 2026
Thu, Jul 30, 5:30 PM + 3 more
St. Louis · Le Meridien St. Louis Clayton
Au Soleil Thursday Golden Hour 2026
Thu, Jul 30, 5:30 PM + 3 more
St. Louis · Le Meridien St. Louis Clayton
Training Day- BTS
Sat, Aug 15, 10:00 AM
St. Louis · 1530 S Kingshighway Blvd
Training Day- BTS
Sat, Aug 15, 10:00 AM
St. Louis · 1530 S Kingshighway Blvd
APTA Riverboat and Gateway Arch Tour
Wed, Aug 12, 1:00 PM
St. Louis · Gateway Arch Riverboats
APTA Riverboat and Gateway Arch Tour
Wed, Aug 12, 1:00 PM
St. Louis · Gateway Arch Riverboats
Free Summer Discovery Series at Family United Adult Day Center
Wed, Aug 12, 11:00 AM + 1 more
St. Peters · 1236 Jungermann Rd
Free Summer Discovery Series at Family United Adult Day Center
Wed, Aug 12, 11:00 AM + 1 more
St. Peters · 1236 Jungermann Rd
Sales end soon
Children's Summer Reading Series
Tuesday at 10:30 AM + 2 more
Lake Saint Louis · Lakeside Bookshop, LLC
Sales end soon
Children's Summer Reading Series
Tuesday at 10:30 AM + 2 more
Lake Saint Louis · Lakeside Bookshop, LLC

Trends in O'fallon

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