Middle River near Indianola, IA
River level and flood forecast · Warren County
Normal9.2 ftas of Mon 2:15 PM
The river is 13.8 ft below flood stage (23 ft).
Flow: 549 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sat, Oct 3, 1:30 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 26 ft |
| Flood stage | 23 ft |
| Action stage | 19 ft |
| Record crest (June 6, 2008) | 25.55 ft |
What floods at each level
From the National Weather Service, highest first.
- 27 ftWater threatens multiple county bridges. Widespread agricultural flooding occurs.
- 26 ftWater approaches the underside of the US 65/69 overpass.
- 25 ftWater affects parts of Hwy G24.
- 24 ftWater reaches the south shoulder of Hwy G24 and affects numerous county gravel roads in the area.
- 22 ftWidespread agricultural flooding occurs.
- 20 ftWater affects several rural county roads. Rd closures are possible near creeks adjoining the river.
- 19 ftWater affects agricultural land.
Highest crests on record
- 25.55 ft — June 6, 2008
- 25.33 ft — June 9, 1974
- 25.19 ft — March 13, 2019
- 24.9 ft — July 29, 2015
- 24.6 ft — September 10, 2014
Recent crests: 20.54 ft (August 7, 2025) · 18.8 ft (May 22, 2024) · 12.09 ft (April 21, 2023) · 16.54 ft (June 6, 2022) · 15.86 ft (July 10, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (IDNI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.