Bad River (SD) near Fort Pierre, SD
River level and flood forecast · Stanley County
Normal1.0 ftas of Mon 2:30 PM
The river is 20.0 ft below flood stage (21 ft).
Flow: 3 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 27 ft |
| Moderate flood stage | 25 ft |
| Flood stage | 21 ft |
| Action stage | 19 ft |
| Record crest (July 3, 1905) | 32.9 ft |
What floods at each level
From the National Weather Service, highest first.
- 36 ftThe bridge on Bad River Rd at the gauge location is overtopped.
- 32 ftThe railroad tracks near the gauge are flooded.
- 30 ftSignificant flooding is ongoing near the gauge locations with numerous structures flooded.
- 27 ftThe unleveed portions of Fort Pierre begin flooding with some levees in danger of breaking. Ten mobile homes downstream of the gauge are in danger of flooding and some outbuildings are flooded.
- 25 ftBad River Road is flooded in several locations with some ranches surrounded by water
- 24 ftWater reaches mobile homes along Highway 83 south of Fort Pierre
- 21 ftBad River Road begins flooding about 7 miles upstream of the gauge
- 16 ftMinor flooding of the lowest pasture land begins
Highest crests on record
- 32.9 ft — July 3, 1905
- 30.89 ft — April 1, 1927
- 29.6 ft — August 1, 1915
- 29.55 ft — June 18, 1967
- 27.8 ft — May 1, 1942
Recent crests: 11.68 ft (June 13, 2022) · 2.06 ft (March 24, 2021) · 11.09 ft (May 26, 2020) · 23.42 ft (March 25, 2019) · 8.32 ft (June 18, 2018)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FTPS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.