Major Flood
1062 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: NWMS2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
1060 ft
Minor Flood
1056 ft
Action Stage
1054 ft
What Floods at Each Level
1064 ft
The bridges are overtopped on 145th Street and 480th Avenue.
1063 ft
The intersection of 145th Street and 480th Avenue begins to flood, and 144th Street begins to flood.
1062 ft
Water reaches the top of the bridge on 144th Street.
1060 ft
Water reaches the bottom of the bridges on 145th Street and 480th Avenue.
1056 ft
Significant agricultural flooding begins.
1054 ft
The low water crossing on 479th Avenue begins 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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About This Gauge
NWS LID
NWMS2
River
North Fork Whetstone River
County
Grant, SD
Coordinates
45.2837°N, 96.5964°W
Get Flood Alerts for North Fork Whetstone 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 North Fork Whetstone River near Milbank?
The North Fork Whetstone River near Milbank gauge is maintained by USGS 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 North Fork Whetstone River near Milbank?
The NWS-defined flood stage for North Fork Whetstone River near Milbank is 1056 feet. Action stage begins at 1054 feet. Moderate flooding starts at 1060 feet, and major flooding at 1062 feet.
How do I get alerts when North Fork Whetstone River rises?
Download StormCast free on Google Play, go to River Gauges, and add North Fork Whetstone River near Milbank 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 North Fork Whetstone River near Milbank gauge located?
The gauge is located in Grant County, South Dakota at coordinates 45.2837°N, 96.5964°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations courtesy of South Dakota DANR