On September 20, 2025, at approximately 6:42 a.m., the Grant County Sheriff’s Office took a report of a motorcycle crash that occurred on
County Highway U, near the intersection with South Boice Creek Road, in Potosi Township. Upon receipt of the report, Potosi Fire and EMS
were dispatched to the scene, along with deputies from the Grant County Sheriff’s Office.
When the deputies arrived on scene, it was determined Ronald Walsh, 64, of Horicon Wisconsin, was traveling west on CTH U on his 2004
Harley Davidson. The weather conditions at the time were rainy with fog. For unknown reasons Walsh’s motorcyle drove off the north side of
the roadway, causing the Harley Davidson to crash into the ditch and become airborne. Walsh was ejected from the motorcycle. Walsh was
not wearing a helmet and due to injuries sustained in the crash was pronounced deceased at the scene by the Grant County Coroner.
The Grant County Sheriff’s Office was assisted at the scene by the Grant County Coroner’s Office, Potosi Fire Department, Potosi EMS,
Bennett’s Towing of Lancaster.
This was Grant County’s seventh motor vehicle fatality of 2025.