Ocheyedan River near May City

1. 1440.0 ftThe bridges on Tyler Avenue and 240th Street are overtopped.
2. 1439.0 ftThe bridge on 200th Street is overtopped.
3. 1438.0 ftTyler Avenue begins to flood, and water reaches the bottom of the bridges on Tyler Avenue, and 240th Street. The bridge on White Avenue is overtopped.
4. 1437.0 ftWater reaches the bottom of the bridge on 200th Street. County Road L58, 200th Street, and 240th Street begin to flood.
5. 1436.0 ftWhite Avenue begins to flood, and the bridges on 220th Street and County Road M12 are overtopped. Water reaches the bottom of the bridge on White Avenue.
6. 1435.0 ftThe bridge on Tanager Avenue is overtopped. Van Buren Avenue, 220th Street, Vine Avenue, 250th Street and 260th Street begin to flood.
7. 1433.0 ftWater reaches the bottom of the bridges on Tanager Avenue and on County Road M12. Portions of Tanager Avenue and County Road M12 can begin to flood.
8. 1432.0 ftMajor agricultural flooding begins and water may begin to approach the lowest portions of 220th St.
9. 1430.0 ftSignificant agricultural flooding begins.
10. 1428.0 ftThe lowest banks start to overflow with minor lowland flooding. The lowest portions of Vine Ave south of 220th may begin to flood.
11. 1427.5 ftThe low water crossing on 240th begins to flood

Most recent crests

• July 29, 2025: 1423.4 ft
• June 22, 2024: 1429.3 ft
• April 3, 2023: 1424.2 ft
• July 6, 2020: 1422.9 ft

• DownstreamOcheyedan River at Everly
• West Fork Little Sioux River at Lake Park
• Little Sioux River at Milford
• Little Sioux River at Spencer
• Little Floyd River at Sanborn
• Little Sioux River at Montgomery
• West Okoboji Lake at Milford
• Little Sioux River at Spencer / Highway 18

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.

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