Rivers in Iowa

Little Rock River near George

Lyon County, IowaNWS LRGI4Sioux Falls office

Below flood stage
1303.8ftStage

Observed Wed, Sep 30, 6:45 AM CDT

Flood stage
1311.5 ft
Record crest
1318.7 ft2024

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood1315.5 ft
Moderate flood1313.5 ft
Minor flood1311.5 ft
Action1309.5 ft
  1. 1321.5 ftThe bridge on 230th Street is overtopped.
  2. 1320.5 ftThe bridges on Indian Ave and Ibex Ave are overtopped, and water reaches the bottom of the bridge on 230th Street.
  3. 1319.5 ftThe bridge on Hickory Ave is overtopped.
  4. 1318.5 ftThe bridge on Jackson Ave is overtopped, and water reaches the bottom of the bridge on Indian Ave.
  5. 1317.5 ftWater reaches the bottom of the bridge on Hickory Ave, and Hickory Ave begins to flood south of the bridge.
  6. 1316.5 ftWater reaches the bottom of the bridge on Jackson Ave.
  7. 1315.5 ftCounty Road L14, 230th St, 240th St, and Indian Ave begin to flood, and water overtops the bridges on 250th St and County Road L14.
  8. 1314.5 ftWater reaches the bottom of the bridge on County Road L14 south of George.
  9. 1313.5 ftMajor agricultural flooding begins. Water reaches the bottom of the bridge on 250th Street, and 250th Street begins to flood east of the bridge.
  10. 1311.5 ftSignificant agricultural flooding begins.
  11. 1309.5 ftMinor agricultural flooding begins.
  12. 1307.5 ftThe lowest banks near County Road L14 south of George overtop.

Crest history

4 crests on NOAA’s list since 2020.

#DateStage
1June 22, 20241318.7 ft
2March 25, 20231306.7 ft
3July 8, 20201304.1 ft
4August 19, 20251303.7 ft

Most recent crests

  • August 19, 2025: 1303.7 ft
  • June 22, 2024: 1318.7 ft
  • March 25, 2023: 1306.7 ft
  • July 8, 2020: 1304.1 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.