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Hydrograph River at a Glance Download
Ocheyedan River near Everly Stage (ft)Iowa Flood CenterOREI4(plotting HGIRP) Graph Created (10:04PM Apr 12, 2024)Flood Stage is 1364 ft
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Datum: NAVD88
NOTE: No forecasts are available for this location

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

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Upstream Gauge - near May City Upstream Gauge Downstream Gauge Downstream Gauge - near Spencer
Flood Categories (in feet)
Major Flood Stage: 1370
Moderate Flood Stage: 1366
Flood Stage: 1364
Action Stage: 1362
Low Stage (in feet): -9999

Historic Crests
(1) 1,366.88 ft on 03/14/2019
(2) 1,366.47 ft on 06/22/2018
(3) 1,360.68 ft on 05/18/2020
(4) 1,359.90 ft on 04/03/2023

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,359.90 ft on 04/03/2023
(2) 1,360.68 ft on 05/18/2020
(3) 1,366.88 ft on 03/14/2019
(4) 1,366.47 ft on 06/22/2018

(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
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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.
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If you notice any errors in the below information, please contact our Webmaster
1370 Highway 18 will begin to flood.
1366 significant flooding of crop and pasture land begins.
1364 ditches fill, the lowest banks overflow, and minor flooding of agricultural land begins.
About This Location Collapse

Latitude: 43.183955° N, Longitude: 95.374806° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1364 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 1364.00 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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