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Hydrograph River at a Glance Download
Ocheyedan River near May City Stage (ft)Observed: 1421.61 ft at 6:00PM Nov 23, 2021Observed: 1421.62 ft at 7:00PM Nov 23, 2021Observed: 1421.64 ft at 8:00PM Nov 23, 2021Observed: 1421.62 ft at 9:00PM Nov 23, 2021Observed: 1421.63 ft at 10:00PM Nov 23, 2021Observed: 1421.64 ft at 11:00PM Nov 23, 2021Observed: 1421.64 ft at 12:00AM Nov 24, 2021Observed: 1421.66 ft at 1:00AM Nov 24, 2021Observed: 1421.64 ft at 2:00AM Nov 24, 2021Observed: 1421.62 ft at 3:00AM Nov 24, 2021Observed: 1421.64 ft at 4:00AM Nov 24, 2021Observed: 1421.63 ft at 5:00AM Nov 24, 2021Observed: 1421.64 ft at 6:00AM Nov 24, 2021Observed: 1421.64 ft at 7:00AM Nov 24, 2021Observed: 1421.63 ft at 8:00AM Nov 24, 2021Observed: 1421.62 ft at 9:00AM Nov 24, 2021Observed: 1421.6 ft at 10:00AM Nov 24, 2021Observed: 1421.55 ft at 11:00AM Nov 24, 2021Observed: 1421.54 ft at 12:00PM Nov 24, 2021Observed: 1421.59 ft at 1:00PM Nov 24, 2021Observed: 1421.56 ft at 2:00PM Nov 24, 2021Observed: 1421.57 ft at 2:30PM Nov 24, 2021Observed: 1421.58 ft at 3:00PM Nov 24, 2021Observed: 1421.59 ft at 4:00PM Nov 24, 2021Observed: 1421.6 ft at 5:00PM Nov 24, 2021Observed: 1421.58 ft at 6:00PM Nov 24, 2021Observed: 1421.58 ft at 7:00PM Nov 24, 2021Observed: 1421.57 ft at 8:00PM Nov 24, 2021Observed: 1421.59 ft at 9:00PM Nov 24, 2021Observed: 1421.57 ft at 10:00PM Nov 24, 2021Observed: 1421.6 ft at 11:00PM Nov 24, 2021Observed: 1421.56 ft at 12:00AM Nov 25, 2021Observed: 1421.58 ft at 1:00AM Nov 25, 2021Observed: 1421.64 ft at 2:00AM Nov 25, 2021Observed: 1421.68 ft at 3:00AM Nov 25, 2021Observed: 1421.64 ft at 4:00AM Nov 25, 2021Observed: 1421.56 ft at 5:00AM Nov 25, 2021Observed: 1421.53 ft at 6:00AM Nov 25, 2021Observed: 1421.5 ft at 7:00AM Nov 25, 2021Observed: 1421.51 ft at 8:00AM Nov 25, 2021Observed: 1421.55 ft at 9:00AM Nov 25, 2021Observed: 1421.62 ft at 10:00AM Nov 25, 2021Observed: 1421.64 ft at 12:00PM Nov 25, 2021Observed: 1421.48 ft at 1:00PM Nov 25, 2021Observed: 1421.61 ft at 3:00PM Nov 25, 2021Observed: 1421.42 ft at 4:00PM Nov 25, 2021Observed: 1421.37 ft at 5:00PM Nov 25, 2021Observed: 1421.47 ft at 6:00PM Nov 25, 2021Observed: 1421.56 ft at 7:00PM Nov 25, 2021Observed: 1421.58 ft at 8:00PM Nov 25, 2021Observed: 1421.6 ft at 9:00PM Nov 25, 2021Observed: 1421.66 ft at 10:00PM Nov 25, 2021Observed: 1421.69 ft at 11:00PM Nov 25, 2021Observed: 1421.76 ft at 12:00AM Nov 26, 2021Observed: 1421.77 ft at 1:00AM Nov 26, 2021Observed: 1421.78 ft at 2:00AM Nov 26, 2021Observed: 1421.76 ft at 3:00AM Nov 26, 2021Observed: 1421.79 ft at 4:00AM Nov 26, 2021Observed: 1421.83 ft at 5:00AM Nov 26, 2021Observed: 1421.86 ft at 6:00AM Nov 26, 2021Observed: 1421.89 ft at 7:00AM Nov 26, 2021Observed: 1421.93 ft at 8:00AM Nov 26, 2021Observed: 1421.99 ft at 9:00AM Nov 26, 2021Highest Observation: 1422 ft at 10:00AM Nov 26, 2021Observed: 1421.85 ft at 11:00AM Nov 26, 2021Observed: 1421.67 ft at 12:00PM Nov 26, 2021Observed: 1421.68 ft at 1:00PM Nov 26, 2021Observed: 1421.75 ft at 2:00PM Nov 26, 2021Observed: 1421.76 ft at 3:00PM Nov 26, 2021Observed: 1421.79 ft at 4:00PM Nov 26, 2021Observed: 1421.8 ft at 5:00PM Nov 26, 2021Observed: 1421.8 ft at 6:00PM Nov 26, 2021Observed: 1421.78 ft at 7:00PM Nov 26, 2021Observed: 1421.78 ft at 8:00PM Nov 26, 2021Observed: 1421.77 ft at 9:00PM Nov 26, 2021Observed: 1421.8 ft at 10:00PM Nov 26, 2021Observed: 1421.73 ft at 11:00PM Nov 26, 2021Observed: 1421.69 ft at 12:00AM Nov 27, 2021Observed: 1421.67 ft at 1:00AM Nov 27, 2021Observed: 1421.68 ft at 2:00AM Nov 27, 2021Observed: 1421.66 ft at 3:00AM Nov 27, 2021Observed: 1421.67 ft at 4:00AM Nov 27, 2021Observed: 1421.66 ft at 5:00AM Nov 27, 2021Observed: 1421.62 ft at 6:00AM Nov 27, 2021Observed: 1421.63 ft at 7:00AM Nov 27, 2021Observed: 1421.66 ft at 8:00AM Nov 27, 2021Observed: 1421.59 ft at 9:00AM Nov 27, 2021Observed: 1421.56 ft at 10:00AM Nov 27, 2021Observed: 1421.54 ft at 11:00AM Nov 27, 2021Observed: 1421.55 ft at 12:00PM Nov 27, 2021Observed: 1421.51 ft at 1:00PM Nov 27, 2021Observed: 1421.55 ft at 2:00PM Nov 27, 2021Observed: 1421.49 ft at 3:00PM Nov 27, 2021Observed: 1421.49 ft at 4:00PM Nov 27, 2021Observed: 1421.56 ft at 5:00PM Nov 27, 2021Observed: 1421.61 ft at 6:00PM Nov 27, 2021Observed: 1421.6 ft at 7:00PM Nov 27, 2021Observed: 1421.56 ft at 8:00PM Nov 27, 2021Observed: 1421.58 ft at 9:00PM Nov 27, 2021Observed: 1421.56 ft at 10:00PM Nov 27, 2021Observed: 1421.56 ft at 11:00PM Nov 27, 2021Observed: 1421.55 ft at 12:00AM Nov 28, 2021Observed: 1421.53 ft at 1:00AM Nov 28, 2021Observed: 1421.59 ft at 2:00AM Nov 28, 2021Observed: 1421.54 ft at 3:00AM Nov 28, 2021Observed: 1421.55 ft at 4:00AM Nov 28, 2021Observed: 1421.55 ft at 5:00AM Nov 28, 2021Observed: 1421.56 ft at 6:00AM Nov 28, 2021Observed: 1421.56 ft at 7:00AM Nov 28, 2021Observed: 1421.59 ft at 8:00AM Nov 28, 2021Observed: 1421.6 ft at 9:00AM Nov 28, 2021Observed: 1421.59 ft at 10:00AM Nov 28, 2021Observed: 1421.54 ft at 11:00AM Nov 28, 2021Observed: 1421.52 ft at 12:00PM Nov 28, 2021Observed: 1421.45 ft at 1:00PM Nov 28, 2021Observed: 1421.46 ft at 2:00PM Nov 28, 2021Observed: 1421.44 ft at 3:00PM Nov 28, 2021Observed: 1421.48 ft at 4:00PM Nov 28, 2021Observed: 1421.5 ft at 5:00PM Nov 28, 2021Observed: 1421.53 ft at 6:00PM Nov 28, 2021Observed: 1421.52 ft at 7:00PM Nov 28, 2021Observed: 1421.57 ft at 8:00PM Nov 28, 2021Observed: 1421.59 ft at 9:00PM Nov 28, 2021Observed: 1421.57 ft at 10:00PM Nov 28, 2021Observed: 1421.57 ft at 11:00PM Nov 28, 2021Observed: 1421.58 ft at 12:00AM Nov 29, 2021Observed: 1421.59 ft at 1:00AM Nov 29, 2021Observed: 1421.59 ft at 2:00AM Nov 29, 2021Observed: 1421.57 ft at 3:00AM Nov 29, 2021Observed: 1421.54 ft at 4:00AM Nov 29, 2021Observed: 1421.56 ft at 5:00AM Nov 29, 2021Observed: 1421.53 ft at 6:00AM Nov 29, 2021Observed: 1421.55 ft at 7:00AM Nov 29, 2021Observed: 1421.55 ft at 8:00AM Nov 29, 2021Observed: 1421.54 ft at 10:00AM Nov 29, 2021Observed: 1421.51 ft at 11:00AM Nov 29, 2021Observed: 1421.51 ft at 12:00PM Nov 29, 2021Observed: 1421.49 ft at 1:00PM Nov 29, 2021Observed: 1421.46 ft at 2:00PM Nov 29, 2021Observed: 1421.47 ft at 3:00PM Nov 29, 2021Observed: 1421.48 ft at 4:00PM Nov 29, 2021Observed: 1421.52 ft at 5:00PM Nov 29, 2021Observed: 1421.53 ft at 6:00PM Nov 29, 2021Observed: 1421.51 ft at 7:00PM Nov 29, 2021Observed: 1421.52 ft at 8:00PM Nov 29, 2021Observed: 1421.5 ft at 9:00PM Nov 29, 2021Observed: 1421.52 ft at 10:00PM Nov 29, 2021Observed: 1421.51 ft at 12:00AM Nov 30, 2021Observed: 1421.52 ft at 1:00AM Nov 30, 2021Observed: 1421.49 ft at 2:00AM Nov 30, 2021Observed: 1421.53 ft at 3:00AM Nov 30, 2021Observed: 1421.53 ft at 4:00AM Nov 30, 2021Observed: 1421.56 ft at 5:00AM Nov 30, 2021Observed: 1421.56 ft at 6:00AM Nov 30, 2021Observed: 1421.52 ft at 7:00AM Nov 30, 2021Observed: 1421.51 ft at 8:00AM Nov 30, 2021Observed: 1421.46 ft at 9:00AM Nov 30, 2021Observed: 1421.45 ft at 10:00AM Nov 30, 2021Observed: 1421.41 ft at 11:00AM Nov 30, 2021Observed: 1421.36 ft at 12:00PM Nov 30, 2021Observed: 1421.3 ft at 1:00PM Nov 30, 2021Observed: 1421.29 ft at 2:00PM Nov 30, 2021Observed: 1421.33 ft at 3:00PM Nov 30, 2021Observed: 1421.42 ft at 4:00PM Nov 30, 2021Observed: 1421.47 ft at 5:00PM Nov 30, 2021Observed: 1421.52 ft at 6:00PM Nov 30, 2021Observed: 1421.54 ft at 7:00PM Nov 30, 2021Observed: 1421.56 ft at 8:00PM Nov 30, 2021Observed: 1421.57 ft at 9:00PM Nov 30, 2021Observed: 1421.59 ft at 10:00PM Nov 30, 2021Observed: 1421.59 ft at 11:00PM Nov 30, 2021Observed: 1421.58 ft at 12:00AM Dec 01, 2021Observed: 1421.6 ft at 1:00AM Dec 01, 2021Observed: 1421.57 ft at 2:00AM Dec 01, 2021Observed: 1421.6 ft at 3:00AM Dec 01, 2021Observed: 1421.54 ft at 4:00AM Dec 01, 2021Observed: 1421.57 ft at 5:00AM Dec 01, 2021Observed: 1421.58 ft at 6:00AM Dec 01, 2021Observed: 1421.58 ft at 7:00AM Dec 01, 2021Observed: 1421.54 ft at 8:00AM Dec 01, 2021Observed: 1421.54 ft at 9:00AM Dec 01, 2021Observed: 1421.55 ft at 10:00AM Dec 01, 2021Observed: 1421.57 ft at 11:00AM Dec 01, 2021Observed: 1421.55 ft at 12:00PM Dec 01, 2021Observed: 1421.55 ft at 1:00PM Dec 01, 2021Observed: 1421.57 ft at 2:00PM Dec 01, 2021Observed: 1421.57 ft at 3:00PM Dec 01, 2021Observed: 1421.57 ft at 4:00PM Dec 01, 2021Observed: 1421.55 ft at 5:00PM Dec 01, 2021Observed: 1421.58 ft at 6:00PM Dec 01, 2021Observed: 1421.58 ft at 7:00PM Dec 01, 2021Observed: 1421.55 ft at 8:00PM Dec 01, 2021Observed: 1421.59 ft at 9:00PM Dec 01, 2021Observed: 1421.57 ft at 10:00PM Dec 01, 2021Observed: 1421.53 ft at 11:00PM Dec 01, 2021Observed: 1421.53 ft at 12:00AM Dec 02, 2021Observed: 1421.53 ft at 1:00AM Dec 02, 2021Observed: 1421.5 ft at 2:00AM Dec 02, 2021Observed: 1421.52 ft at 3:00AM Dec 02, 2021Observed: 1421.55 ft at 4:00AM Dec 02, 2021Observed: 1421.59 ft at 5:00AM Dec 02, 2021Observed: 1421.53 ft at 6:00AM Dec 02, 2021Observed: 1421.58 ft at 7:00AM Dec 02, 2021Observed: 1421.55 ft at 8:00AM Dec 02, 2021Observed: 1421.57 ft at 9:00AM Dec 02, 2021Observed: 1421.56 ft at 10:00AM Dec 02, 2021Observed: 1421.52 ft at 11:00AM Dec 02, 2021Observed: 1421.51 ft at 12:00PM Dec 02, 2021Observed: 1421.42 ft at 1:00PM Dec 02, 2021Observed: 1421.37 ft at 2:00PM Dec 02, 2021Observed: 1421.32 ft at 3:00PM Dec 02, 2021Observed: 1421.37 ft at 4:00PM Dec 02, 2021Observed: 1421.44 ft at 5:00PM Dec 02, 2021Observed: 1421.5 ft at 6:00PM Dec 02, 2021Observed: 1421.54 ft at 7:00PM Dec 02, 2021Observed: 1421.54 ft at 8:00PM Dec 02, 2021Observed: 1421.54 ft at 9:00PM Dec 02, 2021Observed: 1421.53 ft at 10:00PM Dec 02, 2021Observed: 1421.54 ft at 11:00PM Dec 02, 2021Observed: 1421.53 ft at 12:00AM Dec 03, 2021Observed: 1421.54 ft at 1:00AM Dec 03, 2021Observed: 1421.52 ft at 2:00AM Dec 03, 2021Observed: 1421.52 ft at 3:00AM Dec 03, 2021Observed: 1421.53 ft at 4:00AM Dec 03, 2021Observed: 1421.47 ft at 5:00AM Dec 03, 2021Observed: 1421.5 ft at 6:00AM Dec 03, 2021Observed: 1421.53 ft at 7:00AM Dec 03, 2021Observed: 1421.52 ft at 8:00AM Dec 03, 2021Observed: 1421.51 ft at 9:00AM Dec 03, 2021Observed: 1421.42 ft at 10:00AM Dec 03, 2021Observed: 1421.39 ft at 11:00AM Dec 03, 2021Observed: 1421.4 ft at 12:00PM Dec 03, 2021Observed: 1421.4 ft at 1:00PM Dec 03, 2021Observed: 1421.4 ft at 2:00PM Dec 03, 2021Observed: 1421.44 ft at 3:00PM Dec 03, 2021Observed: 1421.46 ft at 4:00PM Dec 03, 2021Observed: 1421.45 ft at 5:00PM Dec 03, 2021Iowa Flood CenterMAYI4(plotting HGIRP) Graph Created (5:34PM Dec 3, 2021)ObservedLatest observed value: 1421.45 ft at 5:00 PM CST 3-Dec-2021. Flood Stage is 1430 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: No forecasts are available for this location

NOTE: Graphical forecasts are not available for the Ocheyedan River near May City. During times of high water, forecast crest information can be found in the text products.

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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) 1,422.86 ft on 07/06/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 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 www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
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: NAD83/WGS84

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)
Elevation
(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  
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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
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Page last modified: 2-Nov-2020 7:29 PM
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