Turkey River at Spillville, IA
River level and flood forecast · Winneshiek County
Normal2.8 ftas of Mon 2:30 PM
The river is 6.2 ft below flood stage (9 ft).
Flow: 222 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Sep 21, 8:23 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 13 ft |
| Moderate flood stage | 11 ft |
| Flood stage | 9 ft |
| Action stage | 7 ft |
| Record crest (August 24, 2016) | 20.25 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftWater is over the roadway at County Road B16 or the Dvorak Memorial Highway.
- 16.5 ftWater may begin to reach the shoulders of County Road B16 or the Dvorak Memorial Highway.
- 15 ftWater begins to flow over N Main Street between the bridge and Mill Street. All of Riverside Park is flooded.
- 14 ftMuch of the campground at Riverside Park is underwater. Water nearly reaches the ballroom in Riverside Park and the baseball field is completely submerged. Much of the Big Stone Mills Park is underwater.
- 11 ftWater begins to impact lower portions of campsites at Riverside Park Campground. Additional water begins to wrap around portions of Riverside Park, reaching the baseball field bleachers.
- 10 ftRiver begins to wrap around Riverside Park between the campground and baseball fields. Flooding in yards between N Main Street and river north of Bridge Street.
Highest crests on record
- 20.25 ft — August 24, 2016
- 18.4 ft — June 1, 1947
- 16.76 ft — August 25, 1990
- 16.73 ft — July 12, 1972
- 16.11 ft — March 1, 1965
Recent crests: 11.23 ft (August 18, 2025) · 9.48 ft (May 15, 2023) · 8.22 ft (July 24, 2022) · 15.1 ft (August 28, 2021) · 11.4 ft (June 10, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SPLI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.