Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap


Web Portal Changes:

Please visit for more information.

Hydrograph River at a Glance Download
Ocheyedan River near May City Stage (ft)Iowa Flood CenterMAYI4(plotting HGIRP) Graph Created (10:34PM Apr 18, 2024)Flood Stage is 1430 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
NOTE: No forecasts are available for this location

NOTE: Forecasts are not available for the Ocheyedan River near May City. Only observed stages are available for this point.

Return to Area Map
Downstream Gauge Downstream Gauge - near Everly
Flood Categories (in feet)
Major Flood Stage: 1435
Moderate Flood Stage: 1432
Flood Stage: 1430
Action Stage: 1428
Low Stage (in feet): -9999

Historic Crests
(1) 1,424.21 ft on 04/03/2023
(2) 1,422.86 ft on 07/06/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,424.21 ft on 04/03/2023
(2) 1,422.86 ft on 07/06/2020

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
1440 the bridges on Tyler Avenue and 240th Street are overtopped.
1439 the bridge on 200th Street is overtopped.
1438 Tyler 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.
1437 water reaches the bottom of the bridge on 200th Street. County Road L58, 200th Street, and 240th Street begin to flood.
1436 White 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.
1435 the bridge on Tanager Avenue is overtopped. Van Buren Avenue, 220th Street, Vine Avenue, 250th Street and 260th Street begin to flood.
1433 water 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.
1432 major agricultural flooding begins.
1430 significant agricultural flooding begins.
1428 the lowest banks start to overflow with minor lowland flooding.
About This Location Collapse

Latitude: 43.328000° N, Longitude: 95.486100° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1430 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 0.00 1430.00 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities