Flash Flood — Ontonagon, Michigan

2025-07-23 · near Firesteel, Ontonagon, Michigan

$1.6M

Property damage

Event narrative

Several roads were washed out in the Misery Bay area, including Misery Bay Road, Lots Road, Kemppa Road, and Wolf Creek Road. Some residents were stranded for hours due to the washouts. Newer culverts were blown out due to the flooding.

Wider weather episode

A series of training thunderstorms brought flash flooding to portions of Houghton and Ontonagon Counties between 0300 and 0730EST on July 23. Four-hour rainfall totals ranged from two to four inches in the area. The Governor of Michigan declared a state of emergency as a result of the flooding.

View location on OpenStreetMap → (46.9948, -88.9880)

Source: NOAA Storm Events Database, event_id 1287132. Narrative written by the NWS forecast office that issued the report.