Events & Happenings in O Fallon | #OFallon https://stayhappening.com/o+fallon-il Explore all events & things to do in O Fallon. Explore various shows, cultural activities, festivals or concerts happening in O Fallon. The full Events Calendar for the city. en Events & Happenings in O Fallon | #OFallon https://stayhappening.com/assets/img/stay-happening.png https://stayhappening.com/o+fallon-il <![CDATA[Trunk or Treat]]> Trunk or Treat]]> <![CDATA[Annual Trunk Or Treat Spectacular]]> Annual Trunk Or Treat Spectacular]]> <![CDATA[Trunk or Treat | Newbold Toyota + BMW]]> Trunk or Treat | Newbold Toyota + BMW]]> <![CDATA[Caffeine and Chrome - Gateway Classic Cars of St. Louis]]> Caffeine and Chrome - Gateway Classic Cars of St. Louis]]> <![CDATA[CHALK IT UP TO ART! Chalk Contest - 6th Annual]]> CHALK IT UP TO ART! Chalk Contest - 6th Annual]]> <![CDATA[Treats in Trunks @ Dogwood Social House ]]> Treats in Trunks @ Dogwood Social House ]]> <![CDATA[OTHS Band Boosters Art and Craft Fair]]> OTHS Band Boosters Art and Craft Fair]]> <![CDATA[Lil Sister - Halloween Party @ 1st Street Lounge (O'Fallon)]]> Lil Sister - Halloween Party @ 1st Street Lounge (O'Fallon)]]> <![CDATA[Fantastic Fall Fest]]> Fantastic Fall Fest]]> <![CDATA[Networking Metro East]]> Networking Metro East]]> <![CDATA[One Room. Two Ways.]]> One Room. Two Ways.]]> <![CDATA[November Investor Panel]]> November Investor Panel]]> <![CDATA[2026 Downtown District Halloween Pub Crawl ]]> 2026 Downtown District Halloween Pub Crawl ]]> <![CDATA[JUNE'S FALL FEST ðŸâ€š]]> JUNE'S FALL FEST ðŸâ€š]]> <![CDATA[New member brunch]]> New member brunch]]> <![CDATA[Art to Remember Family Night]]> Art to Remember Family Night]]> <![CDATA[ðŸŽÆ’ Gears and Ghouls! ðŸšâ€”👻]]> ðŸŽÆ’ Gears and Ghouls! ðŸšâ€”👻]]> <![CDATA[The Grief Resilience Series-Part 2]]> The Grief Resilience Series-Part 2]]> <![CDATA[Squishy Trading Event]]> Squishy Trading Event]]> <![CDATA[ðŸ§Â  ðŸŽÂ¥ðŸŽÂ¶ Free Weekly Pop Culture Bar Trivia]]> ðŸ§Â  ðŸŽÂ¥ðŸŽÂ¶ Free Weekly Pop Culture Bar Trivia]]> <![CDATA[Caffeine and Chrome – Gateway Classic Cars ]]> Caffeine and Chrome – Gateway Classic Cars ]]> <![CDATA[Treat Trek (indoor trick or treat experience)]]> Treat Trek (indoor trick or treat experience)]]> <![CDATA[Jamie MacDonald Tickets ]]> Jamie MacDonald Tickets ]]> <![CDATA[Reformation & Root Beer Sunday]]> Reformation & Root Beer Sunday]]> <![CDATA[Live Music by Madison Jackson]]> Live Music by Madison Jackson]]> <![CDATA[Beekeeping with David]]> Beekeeping with David]]> <![CDATA[City of O'Fallon - Land Use Code Update Open House ]]> City of O'Fallon - Land Use Code Update Open House ]]> <![CDATA[O’Fallon Illuminated Holiday Parade]]> O’Fallon Illuminated Holiday Parade]]> <![CDATA[REALTOR After Hours]]> REALTOR After Hours]]> <![CDATA[The Power of One Small Brave Decision - O'Fallon]]> The Power of One Small Brave Decision - O'Fallon]]> <![CDATA[Vegan Day @ Randy's Rescue Ranch]]> Vegan Day @ Randy's Rescue Ranch]]> <![CDATA[Family Fall Festival]]> Family Fall Festival]]> <![CDATA[Joe Metzka at August the Mansion ]]> Joe Metzka at August the Mansion ]]> <![CDATA[Fun and Games show ]]> Fun and Games show ]]> <![CDATA[45th Annual O'Fallon Panthers Band Boosters "Art and Craft Fair" || Quirks and Giggles // Day 2]]> 45th Annual O'Fallon Panthers Band Boosters ]]> <![CDATA[Become a Foster Parent with LCFS - O'Fallon, Illinois (In-Person)]]> Become a Foster Parent with LCFS - O'Fallon, Illinois (In-Person)]]> <![CDATA[October PTO Meeting]]> October PTO Meeting]]> <![CDATA[ðŸŽÆ’Pumpkin DropðŸŽÆ’]]> ðŸŽÆ’Pumpkin DropðŸŽÆ’]]> <![CDATA[Briarstone Halloween Spooktacular Schooling Show]]> Briarstone Halloween Spooktacular Schooling Show]]> <![CDATA[La Casa Dine to Donate]]> La Casa Dine to Donate]]> <![CDATA[âœï¸Smencils, Smelly Gellies & MOREðŸ–Âï¸]]> âœï¸Smencils, Smelly Gellies & MOREðŸ–Âï¸]]> <![CDATA[Doug's Private P.I.L. Party - For The People I Like]]> Doug's Private P.I.L. Party - For The People I Like]]> <![CDATA[Fall Book Fair]]> Fall Book Fair]]> <![CDATA[SOLD OUT! Left It In The River Tour with Jamie MacDonald - O'Fallon, IL]]> SOLD OUT! Left It In The River Tour with Jamie MacDonald - O'Fallon, IL]]> <![CDATA[World of Authors Poetry Jam and Spoken Word Open-Mic Night]]> World of Authors Poetry Jam and Spoken Word Open-Mic Night]]> <![CDATA[Stuffy Sleepover]]> Stuffy Sleepover]]> <![CDATA[Quarterly PTO Meeting]]> Quarterly PTO Meeting]]> <![CDATA[Marshall Goodman Band album release party!]]> Marshall Goodman Band album release party!]]> <![CDATA[Annual Congregational Meeting]]> Annual Congregational Meeting]]> <![CDATA[Santa's Kottage]]> Santa's Kottage]]> <![CDATA[Family Reading Night]]> Family Reading Night]]> <![CDATA[Cafe Freedom Healing and Empowerment Summit]]> Cafe Freedom Healing and Empowerment Summit]]> <![CDATA[Youth "Day of the Dead"/Family History Activity]]> Youth ]]> <![CDATA[Horse Show (Rain date)]]> Horse Show (Rain date)]]> <![CDATA[Christmas with Gracelands Ultimate Elvis Champion Bill Cherry! ]]> Christmas with Gracelands Ultimate Elvis Champion Bill Cherry! ]]> <![CDATA[PTO Meeting ]]> PTO Meeting ]]> <![CDATA[45th Annual O'Fallon Panthers Band Boosters "Art and Craft Fair" // Quirks and Giggles // Day 1]]> 45th Annual O'Fallon Panthers Band Boosters ]]> <![CDATA[Annual Rotary Halloween Parade ]]> Annual Rotary Halloween Parade ]]> <![CDATA[Peel Dine and Donate Dinner]]> Peel Dine and Donate Dinner]]>