
River stage
Steamboat Rock, Iowa River
- River level
- 6.09 ft
- Status
- Below flood stage
- 7-day change
- -0.42 ft
- Recent high
- 8.09 ft
- Recent low
- 5.42 ft
Last reported 2026-10-13 | NWS STBI4
- 30-day change
- +0.67 ft
- Average
- 6.00 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 17.86 ft
In brief
The Iowa River at Steamboat Rock, IA read 6.09 ft on Oct 13, 2026, 3.91 ft below action stage. That is 0.67 ft higher than 30 days earlier.
Source: National Weather Service gauge STBI4
River level timeline
Stage threshold profile
Highest crests on record
Flood crests recorded at this gauge by the National Weather Service.
| Rank | Crest | Date |
|---|---|---|
| 1 | 17.86 ft | 2008-06-08 |
| 2 | 16.42 ft | 1965-03-08 |
| 3 | 16.22 ft | 1996-03-07 |
| 4 | 16.09 ft | 2016-01-02 |
| Rank | Crest | Date |
|---|---|---|
| 5 | 15.79 ft | 1996-12-18 |
| 6 | 15.20 ft | 2016-12-18 |
| 7 | 13.94 ft | 2013-05-30 |
| 8 | 13.75 ft | 2010-06-26 |
Frequently asked questions
Is the Iowa River flooding at Steamboat Rock?
No. The Iowa River at Steamboat Rock is at 6.09 ft, 3.91 ft below action stage.
What is the flood stage at Steamboat Rock?
The National Weather Service sets action stage 10 ft and minor flooding 11 ft.
What is the highest the Iowa River has been at Steamboat Rock?
The highest crest on record is 17.86 ft, on 2008-06-08.
Is the Iowa River high or low right now at Steamboat Rock?
At 6.09 ft it is higher than 73% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge STBI4); daily history from the U.S. Geological Survey (site 05450400). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.