Iowa River at Steamboat Rock, IA
River level and flood forecast · Hardin County
Normal6.1 ftas of Mon 3 PM
The river is 4.9 ft below flood stage (11 ft).
Flow: 530 cubic feet per second (USGS).
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
| Flood stage | 11 ft |
| Action stage | 10 ft |
| Record crest (June 8, 2008) | 17.86 ft |
Highest crests on record
- 17.86 ft — June 8, 2008
- 16.42 ft — March 8, 1965
- 16.22 ft — March 7, 1996
- 16.09 ft — January 2, 2016
- 15.79 ft — December 18, 1996
Recent crests: 9.34 ft (July 24, 2025) · 10.73 ft (May 21, 2024) · 10.39 ft (October 13, 2019) · 10.89 ft (March 20, 2019) · 12.24 ft (September 26, 2018)
Up and down the river, and nearby
- DownstreamIowa River at Marshalltown, IA
- South Fork Iowa River near New Providence, IA
- Beaver Creek at New Hartford, IA
- South Fork Iowa River near Blairsburg, IA
- Mud Lake Drainage Ditch 71 at Jewell, IA
- Timber Creek near Marshalltown, IA
- West Fork Cedar River at Finchford, IA
- Black Hawk Creek at Hudson, IA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STBI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.