Rivers in Iowa

West Fork Ditch near Hornick

Woodbury County, IowaNWS HOKI4USGS 06602020Sioux Falls office

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood26.50 ft
Moderate flood22.00 ft
Minor flood20.00 ft
Action18.00 ft
  1. 26.50 ftGrundy Avenue and 300th Street will be flooded near Holly Springs, and 310th Street near Grundy Avenue will be flooded. The water reaches the bottom of the bridge at Holly Springs and the bridge 1 mile southeast of Hornick. The levees along the West Fork Ditch will be overtopped resulting in flooding in Hornick and Holly Springs.
  2. 22.00 ftall agricultural land immediately adjacent to the ditch will be flooded and the communities of Hornick and Holly Springs will have flood problems if the levees fail.
  3. 20.00 ftlarge areas of agricultural land will flood if the levees fail.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 24, 2024.

Crest history

77 crests on NOAA’s list since 1939.

#DateStage
1March 14, 201926.52 ft
2June 22, 199625.87 ft
3March 30, 196025.20 ft
4August 18, 201523.70 ft
5June 17, 201423.59 ft
6June 20, 195422.91 ft
7June 19, 198422.80 ft
8March 28, 196222.46 ft
9August 6, 194522.40 ft
10March 28, 195122.28 ft
11March 18, 198622.23 ft
12June 19, 195022.20 ft
13June 18, 201621.84 ft
14May 28, 201321.77 ft
15February 19, 199421.28 ft
16May 19, 199020.47 ft
17March 20, 197920.05 ft
18March 13, 200720.03 ft
19June 4, 194019.80 ft
20April 22, 198519.78 ft
21July 8, 194419.70 ft
22March 28, 199319.47 ft
23February 19, 199719.32 ft
24September 15, 194119.00 ft
25May 23, 200418.97 ft

Most recent crests

  • February 27, 2023: 18.74 ft
  • March 25, 2021: 7.82 ft
  • December 29, 2019: 13.77 ft
  • March 14, 2019: 26.52 ft
  • June 18, 2016: 21.84 ft
  • August 18, 2015: 23.70 ft
  • June 17, 2014: 23.59 ft
  • May 28, 2013: 21.77 ft
  • May 26, 2012: 11.70 ft
  • June 28, 2011: 18.80 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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. Streamflow and the daily record from the U.S. Geological Survey.