KDSN RADIO News

Thursday, January 29, 2026

Suspicious fire on the Monona County Fairgrounds Wed. evening being investigated as possible arson

(Onawa, IA) – A fire on the Monona County Fairgrounds is being called suspicious and a possible case of arson, according to the fire chief in Onawa.  The blaze at the grandstand was reported at around 6:15 p.m.., Wednesday. The more than 100-year-old structure made of old timber had a kitchen under the bleachers, aluminum stands, and an eating area. 

The Monona County Sheriff’s Office is asking anyone who saw anything suspicious or has cameras anywhere near the area or any area that leads to the fairgrounds, please review them if you are able, and to report what you find to the sheriff’s office.

Any information anyone may have of any activity you think is suspicious in the area, should also contact the Monona County Sheriff’s Office at 712-433-1414, or 712-423-2525. The State Fire Marshal was requested to help investigate the blaze, which destroyed the landmark fairgrounds.

Two other fires in Onawa on Monday night are being investigated as suspected cases of arson.

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