Free events in Wentzville, MO

Complimentary outdoor concerts unfold beneath the evening sky at the Clocktower Plaza in The Meadows at Lake Saint Louis. Admission is free, and tips for the musicians are appreciated. Performances are subject to weather. Families and friends are welcome, and well behaved dogs on leashes can attend too. Bring a blanket or lawn chair and comfortable shoes for dancing. Arrive early to browse the shops or enjoy a meal at The Meadows. For parking, use the outer circle of shops and leave the spaces closest to storefronts for visitors with appointments. For updates and any weather related notices, check the event page. The lineup features Teddy McCready, The Garden Party Band, Dusty James & Abalone Pearl, Jeff Nations Solo, Mike Marciano, Mina Reya, Johnny Chase, Smokey and the Bandit, Party Hat Club, The Edge STL, The Machines, 2 Pedros, Decades Apart, AMF Duo, The Bright Side, Andrew Weber Full Band, Richie Callison, and Twenty Plus.

Fans of Sarah J. Maas can test their knowledge at an A Court of Thorns and Roses themed trivia night at Frankie Martin's Garden. The questions focus on the first book in the fantasy romance series. There is no cost to participate, prizes are available for winners, and the event is open to all ages. Arrive early to secure a table. Outside food and beverages are not permitted.

A relaxed evening of live music awaits as Of Monarchs performs a free show at Donatellis Bistro. Their set blends original songs with oldies, country favorites, 90s R&B, and contemporary hits, presented in the band’s own style. The bistro setting, along with food available, offers a comfortable place to unwind while the music plays.

Enjoy a lively night of DJ-hosted trivia at Burnt Barrel Brewery & Distillery in Lake Saint Louis, featuring mostly multiple-choice questions that span a wide range of topics so there is something for everyone. Participation is included with purchase for guests 21 and older. Pair the game with an Old Fashioned, a signature cocktail, or house spirits, along with beers and meads made on site. Thursday trivia exclusives include the Genius Juice cocktail and pulled pork tacos.

An open board gaming session with no cost to participate. Bring your favorite titles to the table or try new ones with other board game enthusiasts. Suitable for beginners and long-time players alike. The emphasis is on playing and learning games together.

Following a venue change, the Summer Pop-Up will take place at the South Entrance of Harvester Christian Church. Enjoy free coffee and sweet treats prepared by the Coffee Crew, young adults with disabilities who are building real world job skills, confidence, and experience. Shop new Black Cat Coffee Café merchandise, including keychains, summer themed T-shirts, and popular classics. Tips are cash only and Venmo will not be accepted. Every dollar supports the Coffee Crew’s continued growth and opportunities.

Swap the Playroom and Cottle Village come together for a family-friendly morning centered on play, connection, and access to community resources. Children can explore a large play area filled with toys from the Swap the Playroom rental collection, offering plenty of opportunities to climb, discover, and play. Parents can meet carefully selected local partners who provide essential services for families in St. Charles County, with vendors participating by invitation to keep the focus on high-quality resources. Each booth includes a kid-friendly activity to keep little ones engaged while adults gather information. The gathering takes place at Cottle Village in Cottleville and offers an easy way to connect with other local families. To support the hosts, outside food and drinks are not permitted. Expect a relaxed mix of play and discovery for families.

After a successful first year, this celebration returns even bigger, bringing the Down syndrome community and their supporters together at St. Gianna Fields. The festival is free to attend and filled with activities such as lawn games, face painting, balloon animals, snow cones, a kids home run derby, an adaptive equipment swap, raffles, and a silent auction. A Wiffle Ball Tournament, organized with @nwawiffleball, offers both recreational and competitive divisions for all ages. Proceeds support children with Down syndrome by funding access to equipment, treatment, therapy, and education.

Enjoy a free, open night of tabletop roleplaying with D&D 5E, Pathfinder 2E, and the Star Wars RPG currently running. All systems are welcome.

Open play for Zombicide 2nd edition welcomes players of every experience level. Newcomers and veterans can get into the action quickly and team up to battle hordes of zombies. Participation is free.

Syberg's in Chesterfield Valley features free balloon animals created by Premier Entertainment. When Silly Jilly is away for a balloon convention or on vacation, Brian Styles or a close colleague will fill in on select Tuesdays to keep the experience going. Thanks to Bryan Road Animal Hospital for the parrot photo.

Enjoy an open-play session of Warhammer 40k with no entry fee. Games may use armies anywhere from 500 to 2000 points, so plan for anything from quick skirmishes to larger battles.

Warcrow Open Play offers a relaxed, no-cost session that welcomes newcomers and seasoned participants alike. Enjoy an easygoing environment focused on open play, with space for every experience level.

Admission is free. Meet local hobbyists and spend time painting and assembling miniatures. Attendees may bring their own minis and tools to work on projects, share techniques and advice, and pick up new tricks from the community.

Millwoods Wentzville hosts DJ-led trivia every Wednesday. Participation is free for paying customers, and the top three teams each week receive prizes. Look for food and drink specials throughout the evening.