Free things to do this weekend in and around St. Louis

St. Louis's Top Picks for FREE family-friendly fun Friday, April 17, 2026 to Sunday, April 19, 2026.

(Scroll down for full, detailed list of free weekend activities.)

• Free spring mini photo session with Shoott! - St. Louis - Shoott, Broadway, New York, NY, USA, 04/18/2026 - See link for times
• 2026 Missouri Book Festival - Washington Public Library, Lafayette St, Washington, MO, USA, 04/18/2026, 9am - 2pm
• Songs and Stories - Babies & Toddlers - Maplewood Public Library, 7550 Lohmeyer Ave, Maplewood, MO 63143, United States, 04/17/2026, 10-10:30 am
• Free Family Nights -The Magic House - The Magic House, St. Louis Children’s Museum, 516 S Kirkwood Rd, St. Louis, MO 63122, United States, 04/17/2026, 5-8 pm
• April Family Night Out - Goldfish Swim School - Warson Woods, Manchester Road, Warson Woods, MO, USA, 04/17/2026, 5-6:30 pm
• Lego Club - Ferguson Municipal Public Library, North Florissant Road, Ferguson, MO, USA, 04/18/2026, 3-4 pm
• Kids Time: Egg Science - Jefferson County Library - Arnold Branch, 1701 Missouri State Rd, Arnold, MO 63010, United States, 04/18/2026, 3 pm
• Chesterfield Earth Day - Central Park Chesterfield, Lydia Hill Drive, Chesterfield, MO, USA, 04/18/2026, 9-11 am
• Earth Day at the Watershed - The Watershed Nature Center, Tower Avenue, Edwardsville, IL, USA, 04/18/2026, 9:30 am- 1 pm
• Spring Fling - Longmeadow Rescue Ranch, Saint Josephs Road, Union, MO 63084, United States, 04/18/2026, 11 am - 3 pm
• Family Sunday—Visions of Antiquity - Saint Louis Art Museum, Fine Arts Drive, St. Louis, MO, USA, 04/19/2026, 1 PM
• PLANETARIUM: Monthly Solar Sunday Telescope Viewing - James S. McDonnell Planetarium, Clayton Avenue, St. Louis, MO, USA, 04/19/2026, 11 am- 3 pm