Major Flood
10 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
9 ft
Minor Flood
8 ft
Action Stage
7 ft
What Floods at Each Level
10 ft
A major flood is in progress. Expect extensive inundation and damage. Many primary roads and bridges will be closed and many people evacuated.
9 ft
Moderate flooding of businesses and residences will occur in the village of Constantine.
8 ft
Minor flooding of farmland and secondary roads will occur in low lying areas adjacent to the river.
6 ft
Minor flooding of lowland adjacent to the river can be expected.
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 |
|---|---|---|
| Apr 26, 1950 | 10.76 ft | 10,700 cfs |
| Jun 3, 1989 | 10.41 ft | 11,400 cfs |
| Feb 24, 2018 | 10.17 ft | 10,900 cfs |
About This Gauge
USGS Site
NWS LID
MOTM4
River
St. Joseph River (MI/IN)
County
St. Joseph, MI
Coordinates
41.8009°N, 85.7561°W
Get Flood Alerts for St. Joseph River (MI/IN)
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 St. Joseph River (MI/IN) at Mottville?
The St. Joseph River (MI/IN) at Mottville gauge is maintained by USGS (site 04099000) 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 St. Joseph River (MI/IN) at Mottville?
The NWS-defined flood stage for St. Joseph River (MI/IN) at Mottville is 8 feet. Action stage begins at 7 feet. Moderate flooding starts at 9 feet, and major flooding at 10 feet.
How do I get alerts when St. Joseph River (MI/IN) rises?
Download StormCast free on Google Play, go to River Gauges, and add St. Joseph River (MI/IN) at Mottville 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 St. Joseph River (MI/IN) at Mottville gauge located?
The gauge is located in St. Joseph County, Michigan at coordinates 41.8009°N, 85.7561°W. USGS site number: 04099000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on St. Joseph River (MI/IN)
On This River
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Source & Notes
Data provided by: the USGS (04099000), Observations courtesy of U.S. Geological Survey
- 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.