Cheyenne River near Buffalo Gap
South Dakota — Water Level & Flood Stage
Located in Custer County, South Dakota on the Cheyenne River. Live water level data from USGS gauge 06402600, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
15 ft
Moderate Flood
14 ft
25,600 cfs
Minor Flood
13 ft
20,000 cfs
Action Stage
12 ft
13,500 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
15 ft
Major flood stage. Extensive flooding along the creek with inundation of structures and roads.
14 ft
Moderate flood stage. Some inundation of structures and road near the creek are possible.
13 ft
Flood stage. Out buildings along the river may be flooded.
12 ft
Action stage. Water begins to approach out buildings near the gage.
10.5 ft
Water covers the fence line along the river.
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 20, 1978 | 13.15 ft | 25,000 cfs |
| May 20, 1978 | 13.15 ft | 25,000 cfs |
| Jun 7, 2015 | 12.92 ft | 18,500 cfs |
| Jun 7, 2015 | 12.92 ft | 18,500 cfs |
| May 24, 1971 | 11.44 ft | 17,600 cfs |
About This Gauge
USGS Site
NWS LID
BFGS2
River
Cheyenne River
County
Custer, SD
Coordinates
43.5020°N, 103.0744°W
Get Flood Alerts for Cheyenne 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 Cheyenne River near Buffalo Gap?
The Cheyenne River near Buffalo Gap gauge is maintained by USGS (site 06402600) 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 Cheyenne River near Buffalo Gap?
The NWS-defined flood stage for Cheyenne River near Buffalo Gap is 13 feet. Action stage begins at 12 feet. Moderate flooding starts at 14 feet, and major flooding at 15 feet.
How do I get alerts when Cheyenne River rises?
Download StormCast free on Google Play, go to River Gauges, and add Cheyenne River near Buffalo Gap to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Cheyenne River near Buffalo Gap gauge located?
The gauge is located in Custer County, South Dakota at coordinates 43.5020°N, 103.0744°W. USGS site number: 06402600. 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 may be affected by ice.