Cheyenne River near Plainview, SD
River level and flood forecast · Ziebach County
Normal8.0 ftas of Mon 1:30 PM
The river is 9.0 ft below flood stage (17 ft).
Flow: 20 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 19 ft |
| Flood stage | 17 ft |
| Action stage | 15 ft |
| Record crest (May 23, 2019) | 22.99 ft |
What floods at each level
From the National Weather Service, highest first.
- 22.99 ftRecord flooding occurred in May 2019.
- 20 ftExtensive flooding along the Cheyenne River with extensive inundation of structures and roads possible.
- 19 ftSome inundation of structures and roads along the Cheyenne River are possible.
- 17 ftMinor flooding of agricultural land along the Cheyenne River.
- 15 ftFlooding of low lying areas along the Cheyenne River begins.
- 14.75 ftBoth sides of the river will flood with water spreading onto the floodplain.
- 13 ftThe river is bankfull.
Highest crests on record
- 22.99 ft — May 23, 2019
- 22.63 ft — June 7, 2008
- 22.1 ft — May 28, 1996
- 19.86 ft — May 26, 2011
- 19.72 ft — May 10, 1995
Recent crests: 13.87 ft (October 14, 2023) · 16.23 ft (May 14, 2023) · 13.78 ft (October 14, 2021) · 11.29 ft (May 25, 2021) · 12.08 ft (May 24, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PLNS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.