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Hydrograph River at a Glance Download
Grand River (SD) near Little Eagle Stage (ft)Flow (cfs)Observed: 3.02 ft at 5:30AM May 05, 2021Observed: 3.01 ft at 5:45AM May 05, 2021Observed: 3 ft at 6:00AM May 05, 2021Observed: 3.01 ft at 6:15AM May 05, 2021Observed: 3.01 ft at 6:30AM May 05, 2021Observed: 3.02 ft at 6:45AM May 05, 2021Observed: 3.02 ft at 7:00AM May 05, 2021Observed: 3.02 ft at 7:15AM May 05, 2021Observed: 3.02 ft at 7:30AM May 05, 2021Observed: 2.98 ft at 7:45AM May 05, 2021Observed: 3 ft at 8:00AM May 05, 2021Observed: 3.01 ft at 8:15AM May 05, 2021Highest Observation: 3.03 ft at 8:30AM May 05, 2021Observed: 3.02 ft at 8:45AM May 05, 2021Observed: 3 ft at 9:00AM May 05, 2021Observed: 3.01 ft at 9:15AM May 05, 2021Observed: 3.02 ft at 9:30AM May 05, 2021Observed: 3.02 ft at 9:31AM May 05, 2021Observed: 3.01 ft at 9:45AM May 05, 2021Observed: 3.01 ft at 9:46AM May 05, 2021Observed: 3.02 ft at 10:00AM May 05, 2021Observed: 3.02 ft at 10:01AM May 05, 2021Observed: 3.02 ft at 10:15AM May 05, 2021Observed: 3.02 ft at 10:30AM May 05, 2021Observed: 3.02 ft at 10:45AM May 05, 2021Observed: 3.02 ft at 11:00AM May 05, 2021Observed: 3.02 ft at 11:15AM May 05, 2021Highest Observation: 3.03 ft at 11:30AM May 05, 2021Highest Observation: 3.03 ft at 11:45AM May 05, 2021Highest Observation: 3.03 ft at 12:00PM May 05, 2021Observed: 3 ft at 12:15PM May 05, 2021Observed: 3.02 ft at 12:30PM May 05, 2021Observed: 3.02 ft at 12:45PM May 05, 2021Highest Observation: 3.03 ft at 1:00PM May 05, 2021Highest Observation: 3.03 ft at 1:15PM May 05, 2021Observed: 3.02 ft at 1:30PM May 05, 2021Highest Observation: 3.03 ft at 1:45PM May 05, 2021Observed: 3.02 ft at 2:00PM May 05, 2021Observed: 3.02 ft at 2:15PM May 05, 2021Observed: 3.02 ft at 2:30PM May 05, 2021Highest Observation: 3.03 ft at 2:45PM May 05, 2021Highest Observation: 3.03 ft at 3:00PM May 05, 2021Observed: 3.02 ft at 3:15PM May 05, 2021Observed: 3.02 ft at 3:30PM May 05, 2021Highest Observation: 3.03 ft at 3:45PM May 05, 2021Observed: 3.02 ft at 4:00PM May 05, 2021Highest Observation: 3.03 ft at 4:15PM May 05, 2021Highest Observation: 3.03 ft at 4:30PM May 05, 2021Observed: 3.02 ft at 4:45PM May 05, 2021Highest Observation: 3.03 ft at 5:00PM May 05, 2021Observed: 3.02 ft at 5:15PM May 05, 2021Observed: 3.02 ft at 5:30PM May 05, 2021Observed: 3.02 ft at 5:31PM May 05, 2021Observed: 3.02 ft at 5:45PM May 05, 2021Observed: 3.02 ft at 5:46PM May 05, 2021Highest Observation: 3.03 ft at 6:00PM May 05, 2021Highest Observation: 3.03 ft at 6:01PM May 05, 2021Highest Observation: 3.03 ft at 6:15PM May 05, 2021Observed: 3.02 ft at 6:30PM May 05, 2021Observed: 3.02 ft at 6:45PM May 05, 2021Observed: 3.02 ft at 7:00PM May 05, 2021Observed: 3.02 ft at 7:15PM May 05, 2021Observed: 3.02 ft at 7:30PM May 05, 2021Observed: 3.02 ft at 7:45PM May 05, 2021Observed: 3.02 ft at 8:00PM May 05, 2021Observed: 3.02 ft at 8:15PM May 05, 2021Observed: 3.02 ft at 8:30PM May 05, 2021Observed: 3.01 ft at 8:45PM May 05, 2021Observed: 3.01 ft at 9:00PM May 05, 2021Observed: 3.02 ft at 9:15PM May 05, 2021Observed: 3.02 ft at 9:30PM May 05, 2021Observed: 3.02 ft at 9:45PM May 05, 2021Observed: 3.01 ft at 10:00PM May 05, 2021Observed: 3.02 ft at 10:15PM May 05, 2021Observed: 3.02 ft at 10:30PM May 05, 2021Observed: 3.02 ft at 10:45PM May 05, 2021Observed: 3.02 ft at 11:00PM May 05, 2021Observed: 3.02 ft at 11:15PM May 05, 2021Observed: 3.02 ft at 11:30PM May 05, 2021Observed: 3.02 ft at 11:45PM May 05, 2021Observed: 3.02 ft at 12:00AM May 06, 2021Observed: 3.01 ft at 12:15AM May 06, 2021Observed: 3.02 ft at 12:30AM May 06, 2021Observed: 3.02 ft at 12:45AM May 06, 2021Observed: 3.02 ft at 1:00AM May 06, 2021Observed: 3.02 ft at 1:15AM May 06, 2021Observed: 3.02 ft at 1:30AM May 06, 2021Observed: 3.02 ft at 1:31AM May 06, 2021Observed: 3.01 ft at 1:45AM May 06, 2021Observed: 3.01 ft at 1:46AM May 06, 2021Observed: 3.01 ft at 2:00AM May 06, 2021Observed: 3.01 ft at 2:01AM May 06, 2021Observed: 3.02 ft at 2:15AM May 06, 2021Observed: 3.02 ft at 2:30AM May 06, 2021Observed: 3.02 ft at 2:45AM May 06, 2021Observed: 3.02 ft at 3:00AM May 06, 2021Observed: 3.02 ft at 3:15AM May 06, 2021Observed: 3.01 ft at 3:30AM May 06, 2021Observed: 3.02 ft at 3:45AM May 06, 2021Observed: 3.02 ft at 4:00AM May 06, 2021Observed: 3.02 ft at 4:15AM May 06, 2021Observed: 3.01 ft at 4:30AM May 06, 2021Observed: 3.02 ft at 4:45AM May 06, 2021Observed: 3.01 ft at 5:00AM May 06, 2021Observed: 3.01 ft at 5:15AM May 06, 2021Observed: 3.01 ft at 5:30AM May 06, 2021Observed: 3.01 ft at 5:45AM May 06, 2021Observed: 3.02 ft at 6:00AM May 06, 2021Observed: 3.02 ft at 6:15AM May 06, 2021Observed: 3.01 ft at 6:30AM May 06, 2021Observed: 3.01 ft at 6:45AM May 06, 2021Observed: 3.01 ft at 7:00AM May 06, 2021Observed: 3.01 ft at 7:15AM May 06, 2021Observed: 3.02 ft at 7:30AM May 06, 2021Observed: 3.02 ft at 7:45AM May 06, 2021Observed: 3.01 ft at 8:00AM May 06, 2021Observed: 3.01 ft at 8:15AM May 06, 2021Observed: 3.02 ft at 8:30AM May 06, 2021Observed: 3.02 ft at 8:45AM May 06, 2021Observed: 3.02 ft at 9:00AM May 06, 2021Observed: 3.01 ft at 9:15AM May 06, 2021Observed: 3.02 ft at 9:30AM May 06, 2021Observed: 3.02 ft at 9:45AM May 06, 2021Observed: 3.01 ft at 10:00AM May 06, 2021Observed: 3.02 ft at 10:15AM May 06, 2021Observed: 3.02 ft at 10:30AM May 06, 2021Observed: 3.01 ft at 10:45AM May 06, 2021Observed: 3.02 ft at 11:00AM May 06, 2021Observed: 3.02 ft at 11:15AM May 06, 2021Observed: 3.02 ft at 11:30AM May 06, 2021Observed: 3.02 ft at 11:45AM May 06, 2021Observed: 3.01 ft at 12:00PM May 06, 2021Observed: 3.01 ft at 12:15PM May 06, 2021Observed: 3.01 ft at 12:30PM May 06, 2021Observed: 3 ft at 12:45PM May 06, 2021Observed: 2.99 ft at 1:00PM May 06, 2021Observed: 3.01 ft at 1:15PM May 06, 2021Observed: 3.01 ft at 1:30PM May 06, 2021Observed: 3.01 ft at 1:45PM May 06, 2021Observed: 2.99 ft at 2:00PM May 06, 2021Observed: 3.01 ft at 2:15PM May 06, 2021Observed: 3.01 ft at 2:30PM May 06, 2021Observed: 3.02 ft at 2:45PM May 06, 2021Observed: 2.99 ft at 3:00PM May 06, 2021Observed: 3.02 ft at 3:15PM May 06, 2021Observed: 3.02 ft at 3:30PM May 06, 2021Observed: 3 ft at 3:45PM May 06, 2021Observed: 3 ft at 4:00PM May 06, 2021Observed: 3.01 ft at 4:15PM May 06, 2021Observed: 2.99 ft at 4:30PM May 06, 2021Observed: 3.01 ft at 4:45PM May 06, 2021Observed: 3 ft at 5:00PM May 06, 2021Observed: 2.99 ft at 5:15PM May 06, 2021Observed: 3 ft at 5:30PM May 06, 2021Observed: 3 ft at 5:31PM May 06, 2021Observed: 3.01 ft at 5:45PM May 06, 2021Observed: 3.01 ft at 5:46PM May 06, 2021Observed: 2.99 ft at 6:00PM May 06, 2021Observed: 2.99 ft at 6:01PM May 06, 2021Observed: 2.99 ft at 6:15PM May 06, 2021Observed: 3 ft at 6:30PM May 06, 2021Observed: 3 ft at 6:45PM May 06, 2021Observed: 3 ft at 7:00PM May 06, 2021Observed: 3.01 ft at 7:15PM May 06, 2021Observed: 3.01 ft at 7:30PM May 06, 2021Observed: 3.02 ft at 7:45PM May 06, 2021Observed: 3.01 ft at 8:00PM May 06, 2021Observed: 3.02 ft at 8:15PM May 06, 2021Observed: 3.02 ft at 8:30PM May 06, 2021Observed: 3.01 ft at 8:45PM May 06, 2021Observed: 3.01 ft at 9:00PM May 06, 2021Observed: 3.02 ft at 9:15PM May 06, 2021Observed: 3.02 ft at 9:30PM May 06, 2021Observed: 3.02 ft at 9:45PM May 06, 2021Observed: 3.01 ft at 10:00PM May 06, 2021Observed: 3.02 ft at 10:15PM May 06, 2021Observed: 3.02 ft at 10:30PM May 06, 2021Observed: 3.02 ft at 10:45PM May 06, 2021Observed: 3.01 ft at 11:00PM May 06, 2021Observed: 3.01 ft at 11:15PM May 06, 2021Observed: 3.02 ft at 11:30PM May 06, 2021Observed: 3.02 ft at 11:45PM May 06, 2021Observed: 3.02 ft at 12:00AM May 07, 2021Observed: 3.02 ft at 12:15AM May 07, 2021Observed: 3.01 ft at 12:30AM May 07, 2021Observed: 3.01 ft at 12:45AM May 07, 2021Observed: 3.01 ft at 1:00AM May 07, 2021Observed: 3.01 ft at 1:15AM May 07, 2021Observed: 3.01 ft at 1:30AM May 07, 2021Observed: 3.01 ft at 1:31AM May 07, 2021Observed: 3.01 ft at 1:45AM May 07, 2021Observed: 3.01 ft at 1:46AM May 07, 2021Observed: 3.01 ft at 2:00AM May 07, 2021Observed: 3.01 ft at 2:01AM May 07, 2021Observed: 3.01 ft at 2:15AM May 07, 2021Observed: 3.01 ft at 2:30AM May 07, 2021Observed: 3.02 ft at 2:45AM May 07, 2021Observed: 3.01 ft at 3:00AM May 07, 2021Observed: 3.01 ft at 3:15AM May 07, 2021Observed: 3.01 ft at 3:30AM May 07, 2021Observed: 3.01 ft at 3:45AM May 07, 2021Observed: 3.01 ft at 4:00AM May 07, 2021Observed: 3.01 ft at 4:15AM May 07, 2021Observed: 3.01 ft at 4:30AM May 07, 2021Observed: 3.01 ft at 4:45AM May 07, 2021Observed: 3.01 ft at 5:00AM May 07, 2021Observed: 3.01 ft at 5:15AM May 07, 2021Observed: 3 ft at 5:30AM May 07, 2021Observed: 3 ft at 5:45AM May 07, 2021Observed: 3 ft at 6:00AM May 07, 2021Observed: 3 ft at 6:15AM May 07, 2021Observed: 3 ft at 6:30AM May 07, 2021Observed: 3 ft at 6:45AM May 07, 2021Observed: 3 ft at 7:00AM May 07, 2021Observed: 2.99 ft at 7:15AM May 07, 2021Observed: 2.98 ft at 7:30AM May 07, 2021Observed: 2.98 ft at 7:45AM May 07, 2021Observed: 3 ft at 8:00AM May 07, 2021Observed: 2.98 ft at 8:15AM May 07, 2021Observed: 2.99 ft at 8:30AM May 07, 2021Observed: 2.98 ft at 8:45AM May 07, 2021Observed: 2.97 ft at 9:00AM May 07, 2021Observed: 2.99 ft at 9:15AM May 07, 2021Observed: 3 ft at 9:30AM May 07, 2021Observed: 2.98 ft at 9:31AM May 07, 2021Observed: 2.98 ft at 9:45AM May 07, 2021Observed: 2.99 ft at 9:46AM May 07, 2021Observed: 2.99 ft at 10:00AM May 07, 2021Observed: 3 ft at 10:15AM May 07, 2021Observed: 2.97 ft at 10:30AM May 07, 2021Observed: 2.98 ft at 10:45AM May 07, 2021Observed: 2.98 ft at 11:00AM May 07, 2021Observed: 2.99 ft at 11:15AM May 07, 2021Observed: 2.98 ft at 11:30AM May 07, 2021Observed: 2.99 ft at 11:45AM May 07, 2021Observed: 3 ft at 12:00PM May 07, 2021Observed: 2.96 ft at 12:15PM May 07, 2021Observed: 2.99 ft at 12:30PM May 07, 2021Observed: 2.97 ft at 12:45PM May 07, 2021Observed: 2.97 ft at 1:00PM May 07, 2021Observed: 3.01 ft at 1:15PM May 07, 2021Observed: 3 ft at 1:30PM May 07, 2021Observed: 2.96 ft at 1:45PM May 07, 2021Observed: 2.95 ft at 2:00PM May 07, 2021Observed: 2.99 ft at 2:15PM May 07, 2021Observed: 2.98 ft at 2:30PM May 07, 2021Observed: 2.97 ft at 2:45PM May 07, 2021Observed: 2.99 ft at 3:00PM May 07, 2021Observed: 2.95 ft at 3:15PM May 07, 2021Observed: 2.98 ft at 3:30PM May 07, 2021Observed: 2.99 ft at 3:45PM May 07, 2021Observed: 2.97 ft at 4:00PM May 07, 2021Observed: 2.96 ft at 4:15PM May 07, 2021Observed: 2.97 ft at 4:30PM May 07, 2021Observed: 2.97 ft at 4:45PM May 07, 2021Observed: 2.98 ft at 5:00PM May 07, 2021Observed: 2.95 ft at 5:15PM May 07, 2021Observed: 2.95 ft at 5:30PM May 07, 2021Observed: 2.97 ft at 5:45PM May 07, 2021Observed: 2.97 ft at 5:46PM May 07, 2021Observed: 2.99 ft at 6:00PM May 07, 2021Observed: 2.99 ft at 6:01PM May 07, 2021Observed: 2.96 ft at 6:15PM May 07, 2021Observed: 2.96 ft at 6:16PM May 07, 2021Observed: 2.94 ft at 6:30PM May 07, 2021Observed: 2.95 ft at 6:45PM May 07, 2021Observed: 2.97 ft at 7:00PM May 07, 2021Observed: 2.97 ft at 7:15PM May 07, 2021Observed: 2.98 ft at 7:30PM May 07, 2021Observed: 2.97 ft at 7:45PM May 07, 2021Observed: 2.96 ft at 8:00PM May 07, 2021Observed: 2.98 ft at 8:15PM May 07, 2021Observed: 2.95 ft at 8:30PM May 07, 2021Observed: 2.98 ft at 8:45PM May 07, 2021Observed: 2.95 ft at 9:00PM May 07, 2021Observed: 2.94 ft at 9:15PM May 07, 2021Observed: 2.96 ft at 9:30PM May 07, 2021Observed: 2.95 ft at 9:45PM May 07, 2021Observed: 2.97 ft at 10:00PM May 07, 2021Observed: 2.94 ft at 10:15PM May 07, 2021Observed: 2.94 ft at 10:30PM May 07, 2021Observed: 2.95 ft at 10:45PM May 07, 2021Observed: 2.93 ft at 11:00PM May 07, 2021Observed: 2.93 ft at 11:15PM May 07, 2021Observed: 2.92 ft at 11:30PM May 07, 2021Observed: 2.93 ft at 11:45PM May 07, 2021Observed: 2.95 ft at 12:00AM May 08, 2021Observed: 2.93 ft at 12:15AM May 08, 2021Observed: 2.93 ft at 12:30AM May 08, 2021Observed: 2.95 ft at 12:45AM May 08, 2021Observed: 2.95 ft at 1:00AM May 08, 2021Observed: 2.96 ft at 1:15AM May 08, 2021Observed: 2.94 ft at 1:30AM May 08, 2021Observed: 2.94 ft at 1:45AM May 08, 2021Observed: 2.94 ft at 1:46AM May 08, 2021Observed: 2.95 ft at 2:00AM May 08, 2021Observed: 2.95 ft at 2:01AM May 08, 2021Observed: 2.97 ft at 2:15AM May 08, 2021Observed: 2.97 ft at 2:16AM May 08, 2021Observed: 2.98 ft at 2:30AM May 08, 2021Observed: 2.95 ft at 2:45AM May 08, 2021Observed: 2.95 ft at 3:00AM May 08, 2021Observed: 2.97 ft at 3:15AM May 08, 2021Observed: 2.97 ft at 3:30AM May 08, 2021Observed: 2.91 ft at 3:45AM May 08, 2021Observed: 2.93 ft at 4:00AM May 08, 2021Observed: 2.93 ft at 4:15AM May 08, 2021USGS--Water Resources of the United StatesLIES2(plotting HGIRG) Graph Created (5:15AM May 8, 2021)ObservedLatest observed value: 2.93 ft at 4:15 AM MDT 8-May-2021. Flood Stage is 15 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Grand River (SD) near Little Eagle are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Shadehill Reservoir Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 24.60 ft on 03/22/2009
(2) 21.27 ft on 03/17/2011
(3) 21.01 ft on 03/12/1972
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.60 ft on 03/29/2019
(2) 7.68 ft on 05/19/2018
(3) 9.28 ft on 02/23/2017
Show More Recent Crests

(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
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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
22 Water levels will reach the low steel of the bridge on Highway 63
21 The community of Little Eagle begins to experience some flooding
17 Extensive flooding of pasture land begins as both banks of the river are overtopped
15 Low-lying pasture and hay land along the river begins to flood
Photos
(1) looking upstream
(2) looking downstream
About This Location Collapse

Latitude: 45.657778° N, Longitude: 100.817778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 Not Available Not Available 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 1624.63 ft 1639.63 ft  

Current/Historical Observations:

Additional Information Collapse
How low could the river get?
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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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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Page last modified: 2-Nov-2020 7:29 PM
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