Iowa River at Oakville, IA
River level and flood forecast · Louisa County
Near flood stage8.1 ftas of Mon 4 PM
The river is 2.9 ft below flood stage (11 ft).
Forecast to fall to 6.1 ft by Mon, Oct 19, 7 AM.
Flow: 23,000 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:07 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 11 ft |
| Action stage | 8 ft |
| Record crest (June 14, 2008) | 23.22 ft |
What floods at each level
From the National Weather Service, highest first.
- 20 ftWater nears the top of the levee in Oakville.
- 15 ftWater affects the south approach to the Iowa Highway 99 bridge near Oakville.
- 12 ftFlooding of agricultural land is ongoing. Several county roads are under water and closed.
- 11.5 ftRiver Road is under water and the water is a few feet up onto the levee.
- 11 ftFlood waters begin to impact agricultural land.
- 10 ftLow lying areas begin taking on water.
Highest crests on record
- 23.22 ft — June 14, 2008
- 19.22 ft — July 4, 2014
- 17.57 ft — June 1, 2019
- 17.26 ft — May 31, 2019
- 17.26 ft — April 20, 2013
Recent crests: 12.35 ft (July 3, 2024) · 13.7 ft (June 29, 2020) · 17.57 ft (June 1, 2019) · 17.26 ft (May 31, 2019) · 15.13 ft (September 9, 2018)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (OKVI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.