Little Sioux River at Correctionville, IA
River level and flood forecast · Woodbury County
Normal5.5 ftas of Mon 3 PM
The river is 13.5 ft below flood stage (19 ft).
Flow: 681 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
| Major flood stage | 23 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 19 ft |
| Action stage | 17 ft |
| Record crest (June 24, 2024) | 30.92 ft |
What floods at each level
From the National Weather Service, highest first.
- 32 ftA more substantial risk to flooding of homes and businesses begins along the eastern edges of Anthon.
- 30 ftSeveral structures on the northwest side of Correctionville are flooded.
- 29 ftHwy 31 north of Anthon is flooded and the intersection of 220th and Mason Ave east of Anthon may also be flooded. Much of Stahls Park in Anthon is flooded.
- 28 ftThe lowest portions of Hwy 20 just west of Correctionville flood and may result in a closure.
- 26 ftThe bridge on County Road L36 northwest of Correctionville is overtopped.
- 23.5 ftThe water reaches the bottom of the bridge on County Road L36 northwest of Correctionville, the southern portions of Correctionville will be significantly affected by flooding, and many sewers, homes, and roads will be flooded.
- 23 ftIowa Highway 31 both north and south of Correctionville is flooded. More substantial overtopping of levees also begins. If Bacon Creek between Correctionville and Cushing is also running high, water will begin backing up Bacon Creek and flood the southern portions of Correctionville along and north of County Road D22. Water reaches to the top of the boat ramp at Stahls Park in Anthon and begins to flood the parking lot.
- 21 ftWater approaches Aspen St on the west side of Correctionville. Much of Copeland Park is underwater.
- 19 ftMore significant amounts of agricultural land are flooded. Copeland Park west of Correctionville floods.
- 17 ftThe lowest portions of Copeland Park in Correctionville may begin to flood.
- 16 ftMinor flooding of some of the low lying agricultural lands.
- 14 ftThe boat ramp parking lot at Little Sioux Park between Correctionville and Anthon floods.
Highest crests on record
- 30.92 ft — June 24, 2024
- 26.45 ft — March 15, 2019
- 25.86 ft — April 7, 1965
- 25.35 ft — May 28, 2013
- 24.39 ft — June 20, 2014
Recent crests: 14.59 ft (August 1, 2025) · 30.92 ft (June 24, 2024) · 12.91 ft (February 28, 2023) · 13.64 ft (May 28, 2020) · 26.45 ft (March 15, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CRRI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.