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Hydrograph River at a Glance Download
Whetstone River above Whetstone River near Big Stone City Stage (ft)Flow (cfs)Highest Observation: 3.17 ft at 5:30AM Apr 11, 2021Observed: 3.16 ft at 5:45AM Apr 11, 2021Observed: 3.15 ft at 6:00AM Apr 11, 2021Observed: 3.14 ft at 6:15AM Apr 11, 2021Observed: 3.13 ft at 6:30AM Apr 11, 2021Observed: 3.12 ft at 6:45AM Apr 11, 2021Observed: 3.11 ft at 7:00AM Apr 11, 2021Observed: 3.11 ft at 7:15AM Apr 11, 2021Observed: 3.1 ft at 7:30AM Apr 11, 2021Observed: 3.09 ft at 7:45AM Apr 11, 2021Observed: 3.09 ft at 8:00AM Apr 11, 2021Observed: 3.08 ft at 8:15AM Apr 11, 2021Observed: 3.07 ft at 8:30AM Apr 11, 2021Observed: 3.06 ft at 8:45AM Apr 11, 2021Observed: 3.06 ft at 9:00AM Apr 11, 2021Observed: 3.05 ft at 9:15AM Apr 11, 2021Observed: 3.04 ft at 9:30AM Apr 11, 2021Observed: 3.04 ft at 9:45AM Apr 11, 2021Observed: 3.03 ft at 10:00AM Apr 11, 2021Observed: 3.02 ft at 10:15AM Apr 11, 2021Observed: 3.01 ft at 10:30AM Apr 11, 2021Observed: 3.01 ft at 10:45AM Apr 11, 2021Observed: 3 ft at 11:00AM Apr 11, 2021Observed: 2.99 ft at 11:15AM Apr 11, 2021Observed: 2.98 ft at 11:30AM Apr 11, 2021Observed: 2.97 ft at 11:45AM Apr 11, 2021Observed: 2.97 ft at 12:00PM Apr 11, 2021Observed: 2.96 ft at 12:15PM Apr 11, 2021Observed: 2.95 ft at 12:30PM Apr 11, 2021Observed: 2.95 ft at 12:45PM Apr 11, 2021Observed: 2.94 ft at 1:00PM Apr 11, 2021Observed: 2.94 ft at 1:15PM Apr 11, 2021Observed: 2.93 ft at 1:30PM Apr 11, 2021Observed: 2.92 ft at 1:45PM Apr 11, 2021Observed: 2.91 ft at 2:00PM Apr 11, 2021Observed: 2.91 ft at 2:15PM Apr 11, 2021Observed: 2.91 ft at 2:30PM Apr 11, 2021Observed: 2.9 ft at 2:45PM Apr 11, 2021Observed: 2.89 ft at 3:00PM Apr 11, 2021Observed: 2.89 ft at 3:15PM Apr 11, 2021Observed: 2.88 ft at 3:30PM Apr 11, 2021Observed: 2.87 ft at 3:45PM Apr 11, 2021Observed: 2.87 ft at 4:00PM Apr 11, 2021Observed: 2.87 ft at 4:15PM Apr 11, 2021Observed: 2.86 ft at 4:30PM Apr 11, 2021Observed: 2.85 ft at 4:45PM Apr 11, 2021Observed: 2.84 ft at 5:00PM Apr 11, 2021Observed: 2.84 ft at 5:15PM Apr 11, 2021Observed: 2.84 ft at 5:30PM Apr 11, 2021Observed: 2.83 ft at 5:45PM Apr 11, 2021Observed: 2.83 ft at 6:00PM Apr 11, 2021Observed: 2.82 ft at 6:15PM Apr 11, 2021Observed: 2.82 ft at 6:30PM Apr 11, 2021Observed: 2.81 ft at 6:45PM Apr 11, 2021Observed: 2.81 ft at 7:00PM Apr 11, 2021Observed: 2.8 ft at 7:15PM Apr 11, 2021Observed: 2.8 ft at 7:30PM Apr 11, 2021Observed: 2.79 ft at 7:45PM Apr 11, 2021Observed: 2.79 ft at 8:00PM Apr 11, 2021Observed: 2.78 ft at 8:15PM Apr 11, 2021Observed: 2.78 ft at 8:30PM Apr 11, 2021Observed: 2.77 ft at 8:45PM Apr 11, 2021Observed: 2.77 ft at 9:00PM Apr 11, 2021Observed: 2.77 ft at 9:15PM Apr 11, 2021Observed: 2.76 ft at 9:30PM Apr 11, 2021Observed: 2.76 ft at 9:45PM Apr 11, 2021Observed: 2.76 ft at 10:00PM Apr 11, 2021Observed: 2.75 ft at 10:15PM Apr 11, 2021Observed: 2.75 ft at 10:30PM Apr 11, 2021Observed: 2.75 ft at 10:45PM Apr 11, 2021Observed: 2.75 ft at 11:00PM Apr 11, 2021Observed: 2.75 ft at 11:15PM Apr 11, 2021Observed: 2.74 ft at 11:30PM Apr 11, 2021Observed: 2.74 ft at 11:45PM Apr 11, 2021Observed: 2.73 ft at 12:00AM Apr 12, 2021Observed: 2.73 ft at 12:15AM Apr 12, 2021Observed: 2.72 ft at 12:30AM Apr 12, 2021Observed: 2.72 ft at 12:45AM Apr 12, 2021Observed: 2.72 ft at 1:00AM Apr 12, 2021Observed: 2.71 ft at 1:15AM Apr 12, 2021Observed: 2.71 ft at 1:30AM Apr 12, 2021Observed: 2.71 ft at 1:45AM Apr 12, 2021Observed: 2.71 ft at 2:00AM Apr 12, 2021Observed: 2.71 ft at 2:15AM Apr 12, 2021Observed: 2.71 ft at 2:30AM Apr 12, 2021Observed: 2.7 ft at 2:45AM Apr 12, 2021Observed: 2.7 ft at 3:00AM Apr 12, 2021Observed: 2.69 ft at 3:15AM Apr 12, 2021Observed: 2.69 ft at 3:30AM Apr 12, 2021Observed: 2.69 ft at 3:45AM Apr 12, 2021Observed: 2.68 ft at 4:00AM Apr 12, 2021Observed: 2.68 ft at 4:15AM Apr 12, 2021Observed: 2.67 ft at 4:30AM Apr 12, 2021Observed: 2.67 ft at 4:45AM Apr 12, 2021Observed: 2.67 ft at 5:00AM Apr 12, 2021Observed: 2.66 ft at 5:15AM Apr 12, 2021Observed: 2.66 ft at 5:30AM Apr 12, 2021Observed: 2.66 ft at 5:45AM Apr 12, 2021Observed: 2.65 ft at 6:00AM Apr 12, 2021Observed: 2.65 ft at 6:15AM Apr 12, 2021Observed: 2.65 ft at 6:30AM Apr 12, 2021Observed: 2.65 ft at 6:45AM Apr 12, 2021Observed: 2.65 ft at 7:00AM Apr 12, 2021Observed: 2.64 ft at 7:15AM Apr 12, 2021Observed: 2.64 ft at 7:30AM Apr 12, 2021Observed: 2.64 ft at 7:45AM Apr 12, 2021Observed: 2.63 ft at 8:00AM Apr 12, 2021Observed: 2.63 ft at 8:15AM Apr 12, 2021Observed: 2.62 ft at 8:30AM Apr 12, 2021Observed: 2.62 ft at 8:45AM Apr 12, 2021Observed: 2.62 ft at 9:00AM Apr 12, 2021Observed: 2.62 ft at 9:15AM Apr 12, 2021Observed: 2.62 ft at 9:30AM Apr 12, 2021Observed: 2.61 ft at 9:45AM Apr 12, 2021Observed: 2.61 ft at 10:00AM Apr 12, 2021Observed: 2.61 ft at 10:15AM Apr 12, 2021Observed: 2.61 ft at 10:30AM Apr 12, 2021Observed: 2.6 ft at 10:45AM Apr 12, 2021Observed: 2.6 ft at 11:00AM Apr 12, 2021Observed: 2.6 ft at 11:15AM Apr 12, 2021Observed: 2.6 ft at 11:30AM Apr 12, 2021Observed: 2.6 ft at 11:45AM Apr 12, 2021Observed: 2.59 ft at 12:00PM Apr 12, 2021Observed: 2.59 ft at 12:15PM Apr 12, 2021Observed: 2.59 ft at 12:30PM Apr 12, 2021Observed: 2.58 ft at 12:45PM Apr 12, 2021Observed: 2.58 ft at 1:00PM Apr 12, 2021Observed: 2.58 ft at 1:15PM Apr 12, 2021Observed: 2.57 ft at 1:30PM Apr 12, 2021Observed: 2.57 ft at 1:45PM Apr 12, 2021Observed: 2.57 ft at 2:00PM Apr 12, 2021Observed: 2.57 ft at 2:15PM Apr 12, 2021Observed: 2.56 ft at 2:30PM Apr 12, 2021Observed: 2.56 ft at 2:45PM Apr 12, 2021Observed: 2.56 ft at 3:00PM Apr 12, 2021Observed: 2.56 ft at 3:15PM Apr 12, 2021Observed: 2.55 ft at 3:30PM Apr 12, 2021Observed: 2.55 ft at 3:45PM Apr 12, 2021Observed: 2.55 ft at 4:00PM Apr 12, 2021Observed: 2.54 ft at 4:15PM Apr 12, 2021Observed: 2.54 ft at 4:30PM Apr 12, 2021Observed: 2.54 ft at 4:45PM Apr 12, 2021Observed: 2.54 ft at 5:00PM Apr 12, 2021Observed: 2.54 ft at 5:15PM Apr 12, 2021Observed: 2.54 ft at 5:30PM Apr 12, 2021Observed: 2.53 ft at 5:45PM Apr 12, 2021Observed: 2.53 ft at 6:00PM Apr 12, 2021Observed: 2.53 ft at 6:15PM Apr 12, 2021Observed: 2.53 ft at 6:30PM Apr 12, 2021Observed: 2.53 ft at 6:45PM Apr 12, 2021Observed: 2.52 ft at 7:00PM Apr 12, 2021Observed: 2.52 ft at 7:15PM Apr 12, 2021Observed: 2.52 ft at 7:30PM Apr 12, 2021Observed: 2.52 ft at 7:45PM Apr 12, 2021Observed: 2.51 ft at 8:00PM Apr 12, 2021Observed: 2.51 ft at 8:15PM Apr 12, 2021Observed: 2.51 ft at 8:30PM Apr 12, 2021Observed: 2.51 ft at 8:45PM Apr 12, 2021Observed: 2.51 ft at 9:00PM Apr 12, 2021Observed: 2.5 ft at 9:15PM Apr 12, 2021Observed: 2.5 ft at 9:30PM Apr 12, 2021Observed: 2.5 ft at 9:45PM Apr 12, 2021Observed: 2.5 ft at 10:00PM Apr 12, 2021Observed: 2.5 ft at 10:15PM Apr 12, 2021Observed: 2.49 ft at 10:30PM Apr 12, 2021Observed: 2.49 ft at 10:45PM Apr 12, 2021Observed: 2.49 ft at 11:00PM Apr 12, 2021Observed: 2.49 ft at 11:15PM Apr 12, 2021Observed: 2.49 ft at 11:30PM Apr 12, 2021Observed: 2.49 ft at 11:45PM Apr 12, 2021Observed: 2.48 ft at 12:00AM Apr 13, 2021Observed: 2.48 ft at 12:15AM Apr 13, 2021Observed: 2.48 ft at 12:30AM Apr 13, 2021Observed: 2.48 ft at 12:45AM Apr 13, 2021Observed: 2.48 ft at 1:00AM Apr 13, 2021Observed: 2.48 ft at 1:15AM Apr 13, 2021Observed: 2.47 ft at 1:30AM Apr 13, 2021Observed: 2.47 ft at 1:45AM Apr 13, 2021Observed: 2.47 ft at 2:00AM Apr 13, 2021Observed: 2.47 ft at 2:15AM Apr 13, 2021Observed: 2.47 ft at 2:30AM Apr 13, 2021Observed: 2.47 ft at 2:45AM Apr 13, 2021Observed: 2.47 ft at 3:00AM Apr 13, 2021Observed: 2.46 ft at 3:15AM Apr 13, 2021Observed: 2.46 ft at 3:30AM Apr 13, 2021Observed: 2.46 ft at 3:45AM Apr 13, 2021Observed: 2.46 ft at 4:00AM Apr 13, 2021Observed: 2.45 ft at 4:15AM Apr 13, 2021Observed: 2.45 ft at 4:30AM Apr 13, 2021Observed: 2.45 ft at 4:45AM Apr 13, 2021Observed: 2.45 ft at 5:00AM Apr 13, 2021Observed: 2.45 ft at 5:15AM Apr 13, 2021Observed: 2.45 ft at 5:30AM Apr 13, 2021Observed: 2.44 ft at 5:45AM Apr 13, 2021Observed: 2.44 ft at 6:00AM Apr 13, 2021Observed: 2.44 ft at 6:15AM Apr 13, 2021Observed: 2.44 ft at 6:30AM Apr 13, 2021Observed: 2.43 ft at 6:45AM Apr 13, 2021Observed: 2.43 ft at 7:00AM Apr 13, 2021Observed: 2.43 ft at 7:15AM Apr 13, 2021Observed: 2.43 ft at 7:30AM Apr 13, 2021Observed: 2.43 ft at 7:45AM Apr 13, 2021Observed: 2.42 ft at 8:00AM Apr 13, 2021Observed: 2.42 ft at 8:15AM Apr 13, 2021Observed: 2.42 ft at 8:30AM Apr 13, 2021Observed: 2.41 ft at 8:45AM Apr 13, 2021Observed: 2.41 ft at 9:00AM Apr 13, 2021Observed: 2.41 ft at 9:15AM Apr 13, 2021Observed: 2.41 ft at 9:30AM Apr 13, 2021Observed: 2.41 ft at 9:45AM Apr 13, 2021Observed: 2.41 ft at 10:00AM Apr 13, 2021Observed: 2.4 ft at 10:15AM Apr 13, 2021Observed: 2.4 ft at 10:30AM Apr 13, 2021Observed: 2.4 ft at 10:45AM Apr 13, 2021Observed: 2.4 ft at 11:00AM Apr 13, 2021Observed: 2.4 ft at 11:15AM Apr 13, 2021Observed: 2.4 ft at 11:30AM Apr 13, 2021Observed: 2.39 ft at 11:45AM Apr 13, 2021Observed: 2.39 ft at 12:00PM Apr 13, 2021Observed: 2.39 ft at 12:15PM Apr 13, 2021Observed: 2.39 ft at 12:30PM Apr 13, 2021Observed: 2.39 ft at 12:45PM Apr 13, 2021Observed: 2.38 ft at 1:00PM Apr 13, 2021Observed: 2.38 ft at 1:15PM Apr 13, 2021Observed: 2.38 ft at 1:30PM Apr 13, 2021Observed: 2.38 ft at 1:45PM Apr 13, 2021Observed: 2.38 ft at 2:00PM Apr 13, 2021Observed: 2.37 ft at 2:15PM Apr 13, 2021Observed: 2.37 ft at 2:30PM Apr 13, 2021Observed: 2.37 ft at 2:45PM Apr 13, 2021Observed: 2.37 ft at 3:00PM Apr 13, 2021Observed: 2.37 ft at 3:15PM Apr 13, 2021Observed: 2.37 ft at 3:30PM Apr 13, 2021Observed: 2.36 ft at 3:45PM Apr 13, 2021Observed: 2.36 ft at 4:00PM Apr 13, 2021Observed: 2.36 ft at 4:15PM Apr 13, 2021Observed: 2.36 ft at 4:30PM Apr 13, 2021Observed: 2.36 ft at 4:45PM Apr 13, 2021Observed: 2.36 ft at 5:00PM Apr 13, 2021Observed: 2.35 ft at 5:15PM Apr 13, 2021Observed: 2.35 ft at 5:30PM Apr 13, 2021Observed: 2.35 ft at 5:45PM Apr 13, 2021Observed: 2.35 ft at 6:00PM Apr 13, 2021Observed: 2.35 ft at 6:15PM Apr 13, 2021Observed: 2.35 ft at 6:30PM Apr 13, 2021Observed: 2.35 ft at 6:45PM Apr 13, 2021Observed: 2.34 ft at 7:00PM Apr 13, 2021Observed: 2.34 ft at 7:15PM Apr 13, 2021Observed: 2.34 ft at 7:30PM Apr 13, 2021Observed: 2.34 ft at 7:45PM Apr 13, 2021Observed: 2.34 ft at 8:00PM Apr 13, 2021Observed: 2.34 ft at 8:15PM Apr 13, 2021Observed: 2.34 ft at 8:30PM Apr 13, 2021Observed: 2.34 ft at 8:45PM Apr 13, 2021Observed: 2.33 ft at 9:00PM Apr 13, 2021Observed: 2.33 ft at 9:15PM Apr 13, 2021Observed: 2.33 ft at 9:30PM Apr 13, 2021Observed: 2.33 ft at 9:45PM Apr 13, 2021Observed: 2.33 ft at 10:00PM Apr 13, 2021Observed: 2.33 ft at 10:15PM Apr 13, 2021Observed: 2.33 ft at 10:30PM Apr 13, 2021Observed: 2.33 ft at 10:45PM Apr 13, 2021Observed: 2.32 ft at 11:00PM Apr 13, 2021Observed: 2.32 ft at 11:15PM Apr 13, 2021Observed: 2.32 ft at 11:30PM Apr 13, 2021Observed: 2.32 ft at 11:45PM Apr 13, 2021Observed: 2.31 ft at 12:00AM Apr 14, 2021Observed: 2.31 ft at 12:15AM Apr 14, 2021Observed: 2.31 ft at 12:30AM Apr 14, 2021Observed: 2.31 ft at 12:45AM Apr 14, 2021Observed: 2.31 ft at 1:00AM Apr 14, 2021Observed: 2.31 ft at 1:15AM Apr 14, 2021Observed: 2.31 ft at 1:30AM Apr 14, 2021Observed: 2.31 ft at 1:45AM Apr 14, 2021Observed: 2.3 ft at 2:00AM Apr 14, 2021Observed: 2.3 ft at 2:15AM Apr 14, 2021Observed: 2.3 ft at 2:30AM Apr 14, 2021Observed: 2.3 ft at 2:45AM Apr 14, 2021Observed: 2.3 ft at 3:00AM Apr 14, 2021Observed: 2.29 ft at 3:15AM Apr 14, 2021Observed: 2.29 ft at 3:30AM Apr 14, 2021Observed: 2.29 ft at 3:45AM Apr 14, 2021Observed: 2.29 ft at 4:00AM Apr 14, 2021Observed: 2.29 ft at 4:15AM Apr 14, 2021Observed: 2.29 ft at 4:30AM Apr 14, 2021Observed: 2.29 ft at 4:45AM Apr 14, 2021USGS--Water Resources of the United StatesBGCS2(plotting HGIRG) Graph Created (5:15AM Apr 14, 2021)ObservedLatest observed value: 2.29 ft at 4:45 AM CDT 14-Apr-2021. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage may be affected by ice.

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

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 26.00 ft on 06/01/1919
(2) 15.93 ft on 04/08/2001
(3) 15.08 ft on 03/13/2007
(4) 14.32 ft on 04/08/1969
(5) 14.21 ft on 04/06/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.97 ft on 03/22/2019
(2) 7.63 ft on 04/23/2018
(3) 11.25 ft on 09/25/2017
(4) 5.46 ft on 07/12/2016
(5) 3.18 ft on 07/07/2015
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:14
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
12 The road 2 miles west and 1 mile south of the gauge floods.
About This Location Collapse

Latitude: 45.291667° N, Longitude: 96.487222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 Not Available Not Available  

Current/Historical Observations:
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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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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