Menominee River at Koss, MI

River level and flood forecast · Menominee County

Normal9.6 ftas of Mon 10 PM

The river is 7.4 ft below flood stage (17 ft).

Flow: 1,230 cubic feet per second (USGS).

The last 7 days and the forecast

7.51012.51517.52022.5TueWedThuFriSatSunMonAction 15 ftFlood 17 ftModerate 19 ftMajor 21 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Major flood stage21 ft
Moderate flood stage19 ft
Flood stage17 ft
Action stage15 ft
Record crest (May 10, 1960)19.6 ft

What floods at each level

From the National Weather Service, highest first.

  • 21 ftSeveral feet of water is surrounding several homes and cottages in the area along the river.
  • 20 ftSeveral feet of water is surrounding a home on the Wisconsin side of the river.
  • 18 ftFloodwaters approach a home on the Wisconsin side of the river.
  • 17 ftWater begins to threaten three residences on Number 19 Road near Koss, a residence on Shoreline Drive, and a residence on River Road around a half mile south of Number 12 Road. Water floods a boat landing near the gauge.
  • 15 ftThere is minor flooding to wooded lowland.

Highest crests on record

  1. 19.6 ft — May 10, 1960
  2. 18.3 ft — May 12, 1965
  3. 18.09 ft — April 16, 2026
  4. 17.5 ft — April 27, 1979
  5. 17.46 ft — April 18, 2023

Recent crests: 18.09 ft (April 16, 2026) · 17.46 ft (April 18, 2023) · 15.3 ft (April 16, 2022) · 13.85 ft (March 13, 2021) · 14.94 ft (April 6, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (KOSM4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.