Missouri River at Yankton, SD
River level and flood forecast · Yankton County
Normal10.2 ftas of Mon 2:30 PM
The river is 9.8 ft below flood stage (20 ft).
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 | 23 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 20 ft |
| Action stage | 18 ft |
| Record crest (April 5, 1881) | 50.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 27 ftToe Rd near the recreation areas just downstream of Gavins Point on the South Dakota side of the river begins to flood.
- 25 ftThe walking trail along the river in Yankton begins flooding.
- 23.5 ftWater reaches the top of the boat ramp at Riverside Park in Yankton
- 22.5 ftHomes start flooding at Larsens Landing area.
- 21 ftWater begins to approach at least a couple of homes along the river and preventative measures will need to be considered.
- 20 ftCamping and other recreational areas near the river will have flood problems, and some pasture land along the river will also flood.
- 18 ftSome of the camping and other recreational areas along the river could start seeing some minor flood problems.
Highest crests on record
- 50.5 ft — April 5, 1881
- 35.5 ft — April 13, 1952
- 34.8 ft — March 22, 1932
- 33.6 ft — April 8, 1943
- 31.6 ft — April 24, 1950
Recent crests: 11.21 ft (May 22, 2025) · 13.08 ft (January 16, 2024) · 12.07 ft (September 26, 2023) · 12.79 ft (July 6, 2020) · 19.22 ft (March 15, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (YANS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.