Events & Happenings in O Fallon | #OFallon https://stayhappening.com/o+fallon 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 <![CDATA[Threshing Day Midnight Release Party]]> Threshing Day Midnight Release Party]]> <![CDATA[Assumption Fall Festival ]]> Assumption Fall Festival ]]> <![CDATA[Duckfest 2026]]> Duckfest 2026]]> <![CDATA[ST. CHARLES COUNTY POLICE TRUNK OR TREAT]]> ST. CHARLES COUNTY POLICE TRUNK OR TREAT]]> <![CDATA[Portraits in the Park]]> Portraits in the Park]]> <![CDATA[Fall Fest!ðŸ§Â¡]]> Fall Fest!ðŸ§Â¡]]> <![CDATA[Whiskey Bent @ Assumption Fall Festival]]> Whiskey Bent @ Assumption Fall Festival]]> <![CDATA[Sacred Tea Ceremony + Sound Bath]]> Sacred Tea Ceremony + Sound Bath]]> <![CDATA[Kinsmen: Blues + Bonfires]]> Kinsmen: Blues + Bonfires]]> <![CDATA[Paint Night at The Penalty Box]]> Paint Night at The Penalty Box]]> <![CDATA[Festival Familiar Hispano en San Juan Diego]]> Festival Familiar Hispano en San Juan Diego]]> <![CDATA[POW/MIA Remembrance Day Ceremony]]> POW/MIA Remembrance Day Ceremony]]> <![CDATA[ðŸŽÂ¶ Jr. Jags Decades Showdown Trivia Night ðŸ•Âº]]> ðŸŽÂ¶ Jr. Jags Decades Showdown Trivia Night ðŸ•Âº]]> <![CDATA[Trunk or Treat - O'Fallon]]> Trunk or Treat - O'Fallon]]> <![CDATA[Pittie Palooza]]> Pittie Palooza]]> <![CDATA[Customer Appreciation BBQ hosted by Allied Painting Contractors]]> Customer Appreciation BBQ hosted by Allied Painting Contractors]]> <![CDATA[Fall thrift and makers market]]> Fall thrift and makers market]]> <![CDATA[Ladies Retreat 26’ {Save the Date}]]> Ladies Retreat 26’ {Save the Date}]]> <![CDATA[The Fire Can't Stand Still Revival]]> The Fire Can't Stand Still Revival]]> <![CDATA[Sip & Connect O'Fallon: Where Conversations Turn Into Connections]]> Sip & Connect O'Fallon: Where Conversations Turn Into Connections]]> <![CDATA[HAPPY FALL CRAFT & VENDOR EVENT]]> HAPPY FALL CRAFT & VENDOR EVENT]]> <![CDATA[The Ghostly Garland Gathering- A Craft Event ]]> The Ghostly Garland Gathering- A Craft Event ]]> <![CDATA[Tuesday Brewsday]]> Tuesday Brewsday]]> <![CDATA[2026 Tosstoberfest Cornhole Tournament]]> 2026 Tosstoberfest Cornhole Tournament]]> <![CDATA[Cousins Maine Lobster: Lowe's - St. Peters, MOðŸšÅ¡ðŸ¦Å¾]]> Cousins Maine Lobster: Lowe's - St. Peters, MOðŸšÅ¡ðŸ¦Å¾]]> <![CDATA[Historic Homestead Days at Fort Zumwalt Park]]> Historic Homestead Days at Fort Zumwalt Park]]> <![CDATA[Everyone Has a Story - O'Fallon, MO]]> Everyone Has a Story - O'Fallon, MO]]> <![CDATA[A Trivia Night at Gatsby's]]> A Trivia Night at Gatsby's]]> <![CDATA[Dog Prairie Tavern - 'nuff said]]> Dog Prairie Tavern - 'nuff said]]> <![CDATA[6th Annual Country Christmas Craft and Vendor Event]]> 6th Annual Country Christmas Craft and Vendor Event]]> <![CDATA[Rock n Roll Bingo benefitting K9 on the Frontline]]> Rock n Roll Bingo benefitting K9 on the Frontline]]> <![CDATA[Trunk N Treat ]]> Trunk N Treat ]]> <![CDATA[2 Pedros @ Rosalitas (Ofallon, Mo)]]> 2 Pedros @ Rosalitas (Ofallon, Mo)]]> <![CDATA[212 Club Picnic]]> 212 Club Picnic]]> <![CDATA[Chapter 4-13 Charity Poker Event]]> Chapter 4-13 Charity Poker Event]]> <![CDATA[Gold Star Family Coffee Connections]]> Gold Star Family Coffee Connections]]> <![CDATA[2 Pedros @ Rosalitas (Ofallon, Mo)]]> 2 Pedros @ Rosalitas (Ofallon, Mo)]]> <![CDATA[Veteran Coffee Talk]]> Veteran Coffee Talk]]> <![CDATA[Monthly Ministry Dinner]]> Monthly Ministry Dinner]]> <![CDATA[The Story Behind the Microphone - O'Fallon, MO]]> The Story Behind the Microphone - O'Fallon, MO]]> <![CDATA[DJ Trivia Tuesdays @ Barrels Taphouse and Grill]]> DJ Trivia Tuesdays @ Barrels Taphouse and Grill]]> <![CDATA[First Friday Coffee]]> First Friday Coffee]]> <![CDATA[Dinner with New Friends: O’Fallon | Make Connections!]]> Dinner with New Friends: O’Fallon | Make Connections!]]> <![CDATA[Women's 600 Tournament]]> Women's 600 Tournament]]> <![CDATA[Foodies + New Friends: O'Fallon | 1-on-1 EDITION]]> Foodies + New Friends: O'Fallon | 1-on-1 EDITION]]> <![CDATA[Bringing Out the Leader in Me - O'Fallon, MO]]> Bringing Out the Leader in Me - O'Fallon, MO]]> <![CDATA[The Discharge Dilemma: What You Need to Know About Discharge Planning.]]> The Discharge Dilemma: What You Need to Know About Discharge Planning.]]> <![CDATA[Dog Prairie Tavern]]> Dog Prairie Tavern]]> <![CDATA[2026 Conference: Man, Woman, and Family]]> 2026 Conference: Man, Woman, and Family]]> <![CDATA[Jessica Uzzetta's Celebration Of Life]]> Jessica Uzzetta's Celebration Of Life]]> <![CDATA[139 Blue Water Drive Open House 1-3 ]]> 139 Blue Water Drive Open House 1-3 ]]>