River Conditions
Illustrated map of Wilson Lake

River stage

Yankton, Missouri River

River level
10.22 ft
Status
Below flood stage
7-day change
-0.04 ft
Recent high
10.87 ft
Recent low
10.05 ft

Last reported 2026-10-13 | NWS YANS2

30-day change
-0.44 ft
Average
10.39 ft
Readings
122
Data span
122 days
Record crest
50.50 ft

In brief

The Missouri River at Yankton, SD read 10.22 ft on Oct 13, 2026, 7.78 ft below action stage. That is 0.44 ft lower than 30 days earlier.

Source: National Weather Service gauge YANS2

River level timeline

9.710.010.410.711.0SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 10.66LOW 10.0510.18 ftLAST READING

Stage threshold profile

Action stage 18.00 ftMinor flooding 20.00 ftModerate flooding 21.00 ftMajor flooding 23.00 ft CURRENT 10.22 ft

Highest crests on record

RankCrestDate
1 50.50 ft 1881-04-05
2 35.50 ft 1952-04-13
3 34.80 ft 1932-03-22
4 33.60 ft 1943-04-08
5 31.60 ft 1950-04-24
6 31.00 ft 1947-04-03
7 30.82 ft 1944-04-09
8 30.55 ft 1949-04-10

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 18.00 ft

    Some of the camping and other recreational areas along the river could start seeing some minor flood problems.

  2. 20.00 ft

    Camping and other recreational areas near the river will have flood problems, and some pasture land along the river will also flood.

  3. 21.00 ft

    Water begins to approach at least a couple of homes along the river and preventative measures will need to be considered.

  4. 22.50 ft

    Homes start flooding at Larsens Landing area.

  5. 23.50 ft

    Water reaches the top of the boat ramp at Riverside Park in Yankton

  6. 25.00 ft

    The walking trail along the river in Yankton begins flooding.

  7. 27.00 ft

    Toe Rd near the recreation areas just downstream of Gavins Point on the South Dakota side of the river begins to flood.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Missouri River flooding at Yankton?

No. The Missouri River at Yankton is at 10.22 ft, 7.78 ft below action stage.

What is the flood stage at Yankton?

The National Weather Service sets action stage 18 ft, minor flooding 20 ft, moderate flooding 21 ft and major flooding 23 ft.

What is the highest the Missouri River has been at Yankton?

The highest crest on record is 50.5 ft, on 1881-04-05.

Is the Missouri River high or low right now at Yankton?

At 10.22 ft it is higher than 25% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge YANS2); daily history from the U.S. Geological Survey (site 06467500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.