Major Flood
30 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
25 ft
Minor Flood
17 ft
Action Stage
14 ft
What Floods at Each Level
30 ft
Levees along the river may be overtopped resulting in widespread flooding of rural areas and roads within the floodplain.
25 ft
Rural areas unprotected by levees flood.
24.5 ft
The Missouri-Pacific Railroad tracks are overtopped.
17 ft
Low-lying areas unprotected by levees begin to flood.
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 |
|---|---|---|
| Jun 2, 2019 | 29.73 ft | — |
| May 8, 2007 | 28.86 ft | 330,768 cfs |
| Mar 25, 2019 | 28.12 ft | 284,000 cfs |
About This Gauge
USGS Site
NWS LID
NAPM7
River
Missouri River
County
Lafayette, MO
Coordinates
39.1332°N, 94.0642°W
Get Flood Alerts for Missouri 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 Missouri River at Napoleon?
The Missouri River at Napoleon gauge is maintained by USGS (site 06894650) 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 Missouri River at Napoleon?
The NWS-defined flood stage for Missouri River at Napoleon is 17 feet. Action stage begins at 14 feet. Moderate flooding starts at 25 feet, and major flooding at 30 feet.
How do I get alerts when Missouri River rises?
Download StormCast free on Google Play, go to River Gauges, and add Missouri River at Napoleon 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 Missouri River at Napoleon gauge located?
The gauge is located in Lafayette County, Missouri at coordinates 39.1332°N, 94.0642°W. USGS site number: 06894650. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Missouri River
On This River
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.