43 North Iowa Annual Block Party Returns Friday in Mason City with Free Food, Foam Party, and Celebrity Dunk Tank

MASON CITY, Iowa — One of North Iowa’s biggest free community celebrations is back. The 43 North Iowa Annual Block Party 2026 takes place this Friday, June 19, from 4 to 7 p.m. at 408 1st St NW (at 1st and Monroe) in Mason City — the site of the old RCF building — and admission is completely free.

Organized by 43 North Iowa, the event is packed with activities for all ages and is open to the entire community.

Celebrity Dunk Tank Schedule

One of the most anticipated attractions this year is a celebrity dunk tank, with local figures taking the plunge throughout the evening. The full schedule, provided by Joy Supply Co. Party Rentals:

• 4:00 p.m. — Jen Arends
• 4:30 p.m. — John Lee
• 5:00 p.m. — Jon Morgan
• 5:30 p.m. — John Derryberry
• 6:00 p.m. — J. Brooks
• 6:30 p.m. — Amanda Kaufman

Foam Party and Inflatables

New this year, Joy Supply Co. is also bringing a foam party — sure to be a hit with kids and adults alike. Jump 4 Fun will have an inflatable obstacle course and giant slide on site as well.

Food, Fun, and Entertainment

Everything at the block party is free, including hot dogs, chips, pop, and water. The Olde Creamery Ice Cream Truck will be on hand with free frozen treats, and Bakery Lane will be serving cookies. Healthy Harvest and the North Iowa Impact Team will also offer fresh fruit.

Live music will be provided by The Mercury 3. The Iowa National Guard is bringing archery. Kids can enjoy face painting, spin art, balloon animals, and hair tinseling, plus a henna artist from Psychedelic Stains & Crystals. Live action hero character appearances from Team of Legends round out the lineup.

Sponsors supporting the 2026 block party include Curries, ASSA ABLOY, Cargill, Kraft Heinz, Pritchard Family Auto Stores, Clear Lake Bank & Trust, Henkel Construction Company, and Furniture/Mattress Outlet.

The event is free and open to the public. No tickets or registration are required — just show up ready to have fun.