River stage
Sioux City, Missouri River
- River level
- 10.62 ft
- Status
- Below flood stage
- 7-day change
- -0.20 ft
- Recent high
- 12.14 ft
- Recent low
- 10.34 ft
Last reported 2026-10-13 | NWS SSCN1
- 30-day change
- -0.92 ft
- Average
- 11.07 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 35.25 ft
In brief
The Missouri River at Sioux City, NE read 10.62 ft on Oct 13, 2026, 14.38 ft below action stage. That is 0.92 ft lower than 30 days earlier.
Source: National Weather Service gauge SSCN1
At this level: The power and industrial plants around Sioux City may begin to encounter challenges as the water levels fall below what is needed for the cooling intake valves.
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 35.25 ft | 2011-07-21 |
| 2 | 32.23 ft | 2024-06-24 |
| 3 | 30.77 ft | 1984-06-25 |
| 4 | 30.65 ft | 1971-02-19 |
| 5 | 30.52 ft | 1960-04-03 |
| 6 | 30.27 ft | 2019-06-01 |
| 7 | 29.78 ft | 2019-03-17 |
| 8 | 29.19 ft | 1953-06-25 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 4.00 ft
The power and industrial plants around Sioux City may begin to encounter challenges as the water levels fall below what is needed for the cooling intake valves.
- 25.00 ft
Lower Scenic Park campground in South Sioux City may begin to be affected by flooding.
- 29.00 ft
The parking lots of baseball fields at Scenic Park begin to flood on the Nebraska side of the river. The lowest portions near the Lewis and Clark Interpretive Center and Flight 232 Memorial begin to flood.
- 30.00 ft
Some of the boat docks and marinas along the river begin to flood. The levee at the Scenic Park campground is overtopped and flooding may impact the parking lot at the Lewis and Clark Interpretive Center if the levee is breached.
- 31.00 ft
The baseball fields at Scenic Park are flooded.
- 32.00 ft
Hamilton Blvd under I-29 is flooded.
- 33.00 ft
Additional recreational areas and some pasture land along the river begin to flood.
- 35.00 ft
The levee protecting various structures in parks and memorials on the Iowa side of the river is overtopped.
- 36.00 ft
Extensive urban flooding in lower lying portions of Sioux City begins.
- 39.00 ft
Water reaches portions of 4th St in South Sioux City near the gauge location under the Hwy 20 bridge.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Missouri River flooding at Sioux City?
No. The Missouri River at Sioux City is at 10.62 ft, 14.38 ft below action stage.
What is the flood stage at Sioux City?
The National Weather Service sets action stage 25 ft, minor flooding 30 ft, moderate flooding 33 ft and major flooding 36 ft.
What is the highest the Missouri River has been at Sioux City?
The highest crest on record is 35.25 ft, on 2011-07-21.
Is the Missouri River high or low right now at Sioux City?
At 10.62 ft it is higher than 18% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge SSCN1); daily history from the U.S. Geological Survey (site 06486000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.