Major Flood
21 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
19 ft
Minor Flood
17 ft
Action Stage
15 ft
What Floods at Each Level
21 ft
Several feet of water is surrounding several homes and cottages in the area along the river.
20 ft
Several feet of water is surrounding a home on the Wisconsin side of the river.
18 ft
Floodwaters approach a home on the Wisconsin side of the river.
17 ft
Water 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 ft
There is minor flooding to wooded lowland.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 9, 1960 | 19.6 ft | 33,000 cfs |
| May 11, 1965 | 18.3 ft | 26,600 cfs |
| Apr 16, 2026 | 18.09 ft | 27,312 cfs |
About This Gauge
USGS Site
NWS LID
KOSM4
River
Menominee River
County
Menominee, MI
Coordinates
45.3872°N, 87.7019°W
Get Flood Alerts for Menominee River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Menominee River at Koss?
The Menominee River at Koss gauge is maintained by USGS (site 04066800) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Menominee River at Koss?
The NWS-defined flood stage for Menominee River at Koss is 17 feet. Action stage begins at 15 feet. Moderate flooding starts at 19 feet, and major flooding at 21 feet.
How do I get alerts when Menominee River rises?
Download StormCast free on Google Play, go to River Gauges, and add Menominee River at Koss to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Menominee River at Koss gauge located?
The gauge is located in Menominee County, Michigan at coordinates 45.3872°N, 87.7019°W. USGS site number: 04066800. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Gauge reading affected by power generation.
- Stage may be affected by ice.