Rivers in Iowa

West Fork Little Sioux River near Lake Park

Dickinson County, IowaNWS LPRI4Sioux Falls office

Below flood stage
1391.4ftStage

Observed Mon, Sep 28, 2:00 PM CDT

Flood stage
1396.0 ft
Record crest
1400.0 ft2024

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood1404.0 ft
Moderate flood1398.0 ft
Minor flood1396.0 ft
Action1395.0 ft
  1. 1413.5 ftThe Highway 9 bridge is overtopped.
  2. 1411.0 ftWater reaches the bottom of the Highway 9 bridge.
  3. 1408.5 ftThe bridge on 140th St is overtopped.
  4. 1406.5 ftWater reaches the bottom of the bridge on 140th St.
  5. 1404.0 ftThe bridge on 160th Avenue south of Highway 9 is overtopped.
  6. 1402.0 ftWater reaches the bottom of the bridge on 160th Ave
  7. 1400.0 ft160th Avenue begins to flood south of Highway 9.
  8. 1398.0 ftSignificant amounts of crop and pasture land are flooded north of Highway 9, and 125th Street just east of the river northeast of Lake Park begins flooding.
  9. 1396.0 ftCrop and pasture land begins to flood between Lake Park and Montgomery.

Crest history

7 crests on NOAA’s list since 2018.

#DateStage
1June 22, 20241400.0 ft
2June 24, 20181399.4 ft
3March 16, 20191398.8 ft
4March 16, 20181395.9 ft
5May 19, 20201394.7 ft
6April 4, 20231394.7 ft
7August 18, 20251393.0 ft

Most recent crests

  • August 18, 2025: 1393.0 ft
  • June 22, 2024: 1400.0 ft
  • April 4, 2023: 1394.7 ft
  • May 19, 2020: 1394.7 ft
  • March 16, 2019: 1398.8 ft
  • June 24, 2018: 1399.4 ft
  • March 16, 2018: 1395.9 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are not available. Only observed stages are available for this point. No forecasts are available for this location Gauge reading may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.