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Flood — Ontonagon, MI

Apr 13, 2023

Rapid melting of much above normal snowpack caused widespread, and at times, extensive flooding over portions of west and central Upper Michigan from the 12th into the 25th. Extensive impacts from the flooding caused Governor Whitmer to declare a state of emergency declaration for eight counties in west and central Upper Michigan on the 21st.

Source: NOAA National Weather Service Storm Events Database (event 1093558). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Ontonagon, MI

This event is one of many recorded floods in Ontonagon County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Ontonagon County flood data →

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