River Conditions
Illustrated map of Black Hawk Lake

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

4.86.27.79.210.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 10.00 ftHIGH 8.09LOW 5.426.08 ftLAST READING

Stage threshold profile

Action stage 10.00 ftMinor flooding 11.00 ft CURRENT 6.09 ft

Highest crests on record

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

RankCrestDate
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
RankCrestDate
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.