What is coming up in Hannibal and Marion County. Dates confirmed with the organizers’ own listings; anything still unannounced is marked as such.

October

  • Warehouse of Nightmares — Fridays and Saturdays, Oct. 2–30. Hannibal Jaycees.
  • Fall Festival of Country Music — Oct. 9.
  • Autumn Folklife Festival, 50th annual — Saturday Oct. 17, 10 a.m.–5 p.m.; Sunday Oct. 18, 10 a.m.–4 p.m. Hannibal Arts Council, 573-221-6545.
  • Last dinner cruise of the season — Mark Twain Riverboat, Oct. 28.

November

  • Boyhood Home & Museum switches to winter hours — 10 a.m.–4 p.m. daily from Nov. 3.
  • Last sightseeing cruise of the season — Mark Twain Riverboat, Nov. 4.
  • Rockcliffe Mansion closes for the winter — Nov. 15, tours and bed and breakfast both.
  • Mark Twain Birthplace State Historic Site drops to weekend hours — Friday and Saturday only, 10 a.m.–4 p.m., from November.
  • Victorian Festival of Christmas opens — Nov. 28, then Saturdays through December.
  • Mark Twain’s birthday — Nov. 30. The museum has marked it with an event the Saturday before; the 2026 date has not been posted.

December

  • Victorian Festival of Christmas — Saturdays through the month: parade, living windows, home and church tours, carriage rides.

Already run this year

  • National Tom Sawyer Days, 71st annual — June 27 to July 5. Fence painting, frog jumping, mud volleyball, parade, fireworks. The 72nd returns around July 4, 2027; dates not announced.
  • Big River Steampunk Festival, 12th annual — Labor Day weekend, Sept. 4–7. Returns Labor Day weekend 2027; dates not announced.
  • Twain on Main Festival, 18th annual — Memorial Day weekend, May 23–24.
  • Budweiser Clydesdales parade — Sept. 26.

Sending an event? Email news@hanniballectern.com with the date, time, place and a contact. Public meetings, school events, church and nonprofit events and fundraisers all get listed at no charge.