Rivers in Iowa

Little Floyd River near Sanborn

OBrien County, IowaNWS LFSI4USGS 06600030Sioux Falls office

Below flood stage
83.53ftStage

Observed Mon, Sep 28, 3:15 AM CDT

Flood stage
87.00 ft
Record crest
90.56 ft2024

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood96.00 ft
Moderate flood93.00 ft
Minor flood87.00 ft
Action85.00 ft
  1. 95.00 ftHighway 18 will begin to flood to the west of the bridge.
  2. 94.00 ftPierce Ave just north of Hwy 18 may begin to flood.
  3. 93.00 ftWater reaches the bottom of the bridge on Monroe Ave and the lowest portions of Monroe Ave near 340th may begin to flood.
  4. 91.50 ftThe lowest portions of Pierce Ave south of Hwy 18 begin to flood.
  5. 87.00 ftMinor flooding of crop and pasture land begins.
  6. 85.00 ftThe lower banks and ditches near the gage location on Hwy 18 begin to overflow

Crest history

32 crests on NOAA’s list since 1969.

#DateStage
1June 22, 202490.56 ft
2June 14, 201889.82 ft
3July 22, 201089.78 ft
4June 12, 199489.38 ft
5May 26, 201389.21 ft
6March 2, 197089.04 ft
7June 20, 198388.28 ft
8June 14, 198188.27 ft
9June 12, 198488.22 ft
10July 14, 199388.19 ft
11June 16, 201488.18 ft
12June 4, 197588.00 ft
13August 8, 199588.00 ft
14March 13, 201987.84 ft
15October 23, 201087.69 ft
16March 15, 200787.50 ft
17March 11, 197287.42 ft
18March 22, 197987.19 ft
19March 20, 199787.07 ft
20August 21, 197486.97 ft
21May 25, 202086.79 ft
22April 4, 196986.66 ft
23June 6, 200886.64 ft
24June 6, 198086.50 ft
25June 16, 199086.41 ft

Most recent crests

  • July 30, 2025: 84.97 ft
  • June 22, 2024: 90.56 ft
  • May 31, 2023: 84.53 ft
  • May 25, 2020: 86.79 ft
  • March 13, 2019: 87.84 ft
  • June 14, 2018: 89.82 ft
  • February 12, 2017: 84.53 ft
  • August 17, 2015: 83.79 ft
  • June 16, 2014: 88.18 ft
  • May 26, 2013: 89.21 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. Streamflow and the daily record from the U.S. Geological Survey.