Rivers in Iowa

Turkey River at Spillville

Winneshiek County, IowaNWS SPLI4USGS 05411600La Crosse office

Below flood stage
4.40ftStage

Observed Wed, Sep 23, 5:30 AM CDT

Flood stage
9.00 ft
Record crest
20.25 ft2016

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood13.00 ft
Moderate flood11.00 ft
Minor flood9.00 ft
Action7.00 ft
  1. 18.00 ftWater is over the roadway at County Road B16 or the Dvorak Memorial Highway.
  2. 16.50 ftWater may begin to reach the shoulders of County Road B16 or the Dvorak Memorial Highway.
  3. 15.00 ftWater begins to flow over N Main Street between the bridge and Mill Street. All of Riverside Park is flooded.
  4. 14.00 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.
  5. 11.00 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.
  6. 10.00 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.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding12%
Moderate flooding11%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

48 crests on NOAA’s list since 1947.

#DateStage
1August 24, 201620.25 ft
2June 1, 194718.40 ft
3August 25, 199016.76 ft
4July 12, 197216.73 ft
5March 1, 196516.11 ft
6June 26, 196915.59 ft
7March 29, 196215.32 ft
8August 28, 202115.10 ft
9May 4, 201814.42 ft
10March 27, 196114.37 ft
11September 10, 201613.99 ft
12May 11, 197813.77 ft
13March 19, 198612.87 ft
14May 2, 197312.64 ft
15March 16, 198012.55 ft
16February 24, 198512.43 ft
17February 9, 196612.24 ft
18October 10, 197012.20 ft
19March 15, 201912.10 ft
20November 12, 198211.88 ft
21March 19, 197911.55 ft
22June 10, 202011.40 ft
23August 18, 202511.23 ft
24May 30, 201311.17 ft
25April 29, 199110.85 ft

Most recent crests

  • August 18, 2025: 11.23 ft
  • May 15, 2023: 9.48 ft
  • July 24, 2022: 8.22 ft
  • August 28, 2021: 15.10 ft
  • June 10, 2020: 11.40 ft
  • June 29, 2019: 10.80 ft
  • May 19, 2019: 9.13 ft
  • March 15, 2019: 12.10 ft
  • May 4, 2018: 14.42 ft
  • February 21, 2017: 8.82 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.