Flash Flood in Ontonagon County, Michigan

Flash Flood July 23, 2025 · Ontonagon County, Michigan

$1.6M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

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.

The wider storm

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.

Began near Firesteel (46.9948, -88.9880).

Source: NOAA Storm Events Database, event 1287132. Narratives are written by the National Weather Service forecast office that issued the report.

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