Menominee River at Koss, MI

Menominee County, Michigan · USGS gauge 04066800 · NWS KOSM4 · Menominee River flood status · Michigan river levels

Is Menominee River at Koss, MI flooding right now?

Menominee River at Koss, MI measured 9.89 ft on 2026-09-11 01:00:00 UTC. That observation was 7.1 ft below its 17 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
9.89 ft
as of 65 min ago
Streamflow
1,360 cfs
data refreshed 2 min ago

Minor flooding here begins at 17 ft, with major flooding at 21 ft. The highest crest on record was 19.6 ft on Tue, May 10, 1960.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action15 ft5.1 ft below
Minor flood17 ft7.1 ft below
Moderate flood19 ft9.1 ft below
Major flood21 ft11.1 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
19.6 ft1960-05-10
18.3 ft1965-05-12
18.09 ft2026-04-16
17.5 ft1979-04-27
17.46 ft2023-04-18

Last 7 days

Past 7 days · 9.65–10.09 ft

Nearby gauges

GaugeDistanceCounty
Menominee River near Mc Allister, WI4.6 miMarinette County
Menominee River at White Rapids Dam near Banat, MI8.1 miMenominee County
Menominee River below Pemene Creek near Pembine, WI13.9 miMarinette County
Menominee River near Pembine, WI15.0 miMarinette County
Pike River at Amberg, WI16.4 miMarinette County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast