13 Playful Indoor Activities in St. Louis for Any Weather in 2026

A former shoe factory turned into a giant playground tells you a lot about St. Louis. Now known as City Museum, it shows how indoor activities in St. Louis can take familiar spaces and turn them into something far less predictable.

This is a city that does not always use its buildings the way you expect, and it rarely asks visitors to stand politely on the sidelines. Even when the setting looks traditional, there is often an invitation to touch, test or take part.

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• Best Indoor Activities for Adults
• Fun Indoor Games
• Romantic Indoor Activities for Couples
• Entertaining Indoor Activities for Toddlers & Kids

Best Indoor Activities for Adults

1. Sign Up for a Cooking Class

Whether you’re looking for indoor team-building activities, or something more intimate for a couple, or just yourself, look no further than chef-led cooking classes!

Signing up for cooking classes is a brilliant way to beat boredom while staying indoors. One of the best fun things to do in St. Louis for adults, cooking classes will allow you to learn new culinary skills and make everyday meals more flavorful. 

2. Explore a Museum

Embrace the thoughtful, cozy mood of a rainy day with a visit to the museum. The city has plenty of amazing museums, perfect for discovering indoor activities in St. Louis.

From the Missouri History Museum to the St. Louis Art Museum or the National Blues Museum, there is plenty of enjoyment to be had at one or more of these fun and educational spots. 

3. Try Indoor Rock Climbing

Looking for indoor activities in St. Louis that will get your body moving and boost your confidence? There are a few indoor rock climbing gyms located throughout the city, including Upper Limits in Chesterfield, another location in Maryland Heights and other establishments like Climb So iLL.

According to research published in Time Magazine, indoor rock climbing is excellent for cardiorespiratory health, mental health, self-esteem and more. 

4. Visit the Library

Did you know that St. Louis has over a dozen public libraries? One of the best free indoor activities in St. Louis, take a trip to your nearest library, pick up a few must-read books or ask your librarian for a good recommendation.

Then, cozy up in one of the library chairs, head to your favorite café or book it home so you can get lost in the pages and relax on a dreary St. Louis day. 

Fun Indoor Games

5. Play Laser Tag

Think laser tag parties are just for kids? Think again. Joining a laser tag game at Epic 6, Amp Up Action Park, 18 North Central or another fun location can be one of the best indoor activities in St. Louis for adults — especially if you love to team up, eat pizza and get competitive with your friends. 

6. Beat an Escape Room

If you need indoor activities in St. Louis that will challenge your group and transport you to another world, check out escape rooms near you.

An escape room is easily one of the most exciting team building activities, perfect for entertaining a group of friends, family or coworkers. Put your heads together to find clues, solve challenging puzzles and discover thrilling mysteries before the time is up!

6. Try Indoor Mini Golf

Putt your troubles away with a round of mini golf, one of the best indoor activities in St. Louis for killing time and entertaining a small group with a little friendly competition.

There are a handful of locations where you can play indoor mini-golf in St. Louis, such as Puttshack near Grand Center or Magic Mini Gold near Skinker DeBaliviere. For an extra touch, come up with a prize, like the person in last place must treat the winner to coffee.

Romantic Indoor Activities for Couples

8. See a Live Performance

Dinner and a movie may always be one of the most classic date ideas in St. Louis, but why not shake it up a little and support local performers instead?

The Fabulous Fox Theater is an excellent place to catch a show with your date. Even if soliloquies, musicals and dances don’t excite you, you’ll love admiring the gorgeous architecture of this 1920s landmark.  

9. Relax at a Restaurant

When it comes to romantic indoor activities in St. Louis for couples, it’s hard to beat a classy and intimate dinner. A few of the great romantic restaurants in St. Louis include Polite Society, Hamilton’s Urban Steakhouse and Basso. Be sure to treat your sweetheart to a decadent dessert or tempting cocktail!

10. Wander Through IKEA

Next time you’re looking for fun things to do in St. Louis for adults, take a hint from 500 Days of Summer and plan a trip to IKEA.

Whether you need any new home furnishings or not, visiting IKEA is a great excuse to play house in the many display rooms and even pick something out to build together.

Plus, meandering through IKEA can easily be one of the best free indoor activities in St. Louis — if you can resist the Swedish meatballs, that is.  

Entertaining Indoor Activities for Toddlers & Kids

11. Bounce Off Some Energy

When the kids are literally bouncing off the walls, sometimes a trip to Sky Zone, Rockin’ Jump, or Urban Air is all you need to help them burn off some rainy day energy.

Sit back and relax with a soda while the kids bounce, climb and explore or dive in yourself to impress them with your grown-up anti-gravity skills. 

12. Explore a Children’s Museum

There are plenty of children’s museums to explore in St. Louis, some of the most popular of which include the City Museum, Myseum, Magic House and the Saint Louis Science Center.

The Toddler Town inside City Museum provides a safe play space for very little ones, but all of these museums offer plenty of interactive thrills and indoor activities for toddlers, kids and adults too. 

13. Admire the Aquarium 

The St. Louis Aquarium is a great place for families to enjoy indoor time together while learning about oceans, rivers and aquatic animals.

With touch tanks, animal encounters and other interactive experiences, the aquarium offers a wealth of indoor activities for toddlers and kids of all ages. With or without kiddos, visiting the aquarium is one of the best indoor date ideas. 

St. Louis gives adults just as many reasons to play as it gives the kids. Whether the day turns competitive, creative or a little romantic, staying indoors does not mean taking the fun out of it.

For even more fun things to do in St. Louis, check out other experiences happening on Classpop!