RIVER GAUGE · CHEYENNE RIVER
Cheyenne River near Buffalo Gap
Custer County, South Dakota
Water level2.16 ft
Flow28 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action12 ft13,500 cfs
Minor flood13 ft20,000 cfs
Moderate flood14 ft25,600 cfs
Major flood15 ft
The past week
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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.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 20, 1978 | 13.15 ft | 25,000 cfs |
| Jun 7, 2015 | 12.92 ft | 18,500 cfs |
| May 24, 1971 | 11.44 ft | 17,600 cfs |
More on Cheyenne River
UpstreamAngostura Reservoir
DownstreamCheyenne River at Redshirt
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