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Hydrograph River at a Glance Download
Keyapaha River near Keyapaha Stage (ft)Flow (kcfs)Highest Observation: 5.18 ft at 8:15PM Sep 17, 2019Highest Observation: 5.18 ft at 8:30PM Sep 17, 2019Highest Observation: 5.18 ft at 8:45PM Sep 17, 2019Highest Observation: 5.18 ft at 9:00PM Sep 17, 2019Highest Observation: 5.18 ft at 9:15PM Sep 17, 2019Highest Observation: 5.18 ft at 9:30PM Sep 17, 2019Highest Observation: 5.18 ft at 9:45PM Sep 17, 2019Observed: 5.17 ft at 10:00PM Sep 17, 2019Observed: 5.16 ft at 10:15PM Sep 17, 2019Observed: 5.16 ft at 10:30PM Sep 17, 2019Observed: 5.16 ft at 10:45PM Sep 17, 2019Observed: 5.16 ft at 11:00PM Sep 17, 2019Observed: 5.16 ft at 11:15PM Sep 17, 2019Observed: 5.16 ft at 11:16PM Sep 17, 2019Observed: 5.15 ft at 11:30PM Sep 17, 2019Observed: 5.15 ft at 11:31PM Sep 17, 2019Observed: 5.15 ft at 11:45PM Sep 17, 2019Observed: 5.15 ft at 11:46PM Sep 17, 2019Observed: 5.15 ft at 12:00AM Sep 18, 2019Observed: 5.15 ft at 12:01AM Sep 18, 2019Observed: 5.15 ft at 12:15AM Sep 18, 2019Observed: 5.15 ft at 12:30AM Sep 18, 2019Observed: 5.15 ft at 12:45AM Sep 18, 2019Observed: 5.14 ft at 1:00AM Sep 18, 2019Observed: 5.14 ft at 1:15AM Sep 18, 2019Observed: 5.14 ft at 1:30AM Sep 18, 2019Observed: 5.14 ft at 1:45AM Sep 18, 2019Observed: 5.13 ft at 2:00AM Sep 18, 2019Observed: 5.13 ft at 2:15AM Sep 18, 2019Observed: 5.13 ft at 3:30AM Sep 18, 2019Observed: 5.12 ft at 3:45AM Sep 18, 2019Observed: 5.12 ft at 4:00AM Sep 18, 2019Observed: 5.12 ft at 4:15AM Sep 18, 2019Observed: 5.11 ft at 4:30AM Sep 18, 2019Observed: 5.11 ft at 4:45AM Sep 18, 2019Observed: 5.11 ft at 5:00AM Sep 18, 2019Observed: 5.1 ft at 5:15AM Sep 18, 2019Observed: 5.1 ft at 5:30AM Sep 18, 2019Observed: 5.1 ft at 5:45AM Sep 18, 2019Observed: 5.1 ft at 6:00AM Sep 18, 2019Observed: 5.1 ft at 6:15AM Sep 18, 2019Observed: 5.1 ft at 6:30AM Sep 18, 2019Observed: 5.1 ft at 6:45AM Sep 18, 2019Observed: 5.09 ft at 7:00AM Sep 18, 2019Observed: 5.09 ft at 7:15AM Sep 18, 2019Observed: 5.09 ft at 7:16AM Sep 18, 2019Observed: 5.09 ft at 7:30AM Sep 18, 2019Observed: 5.09 ft at 7:31AM Sep 18, 2019Observed: 5.08 ft at 7:45AM Sep 18, 2019Observed: 5.08 ft at 7:46AM Sep 18, 2019Observed: 5.08 ft at 8:00AM Sep 18, 2019Observed: 5.08 ft at 8:01AM Sep 18, 2019Observed: 5.08 ft at 8:15AM Sep 18, 2019Observed: 5.08 ft at 8:30AM Sep 18, 2019Observed: 5.09 ft at 8:45AM Sep 18, 2019Observed: 5.08 ft at 9:00AM Sep 18, 2019Observed: 5.08 ft at 9:15AM Sep 18, 2019Observed: 5.08 ft at 9:30AM Sep 18, 2019Observed: 5.08 ft at 9:45AM Sep 18, 2019Observed: 5.07 ft at 10:00AM Sep 18, 2019Observed: 5.08 ft at 10:15AM Sep 18, 2019Observed: 5.07 ft at 10:30AM Sep 18, 2019Observed: 5.07 ft at 10:45AM Sep 18, 2019Observed: 5.07 ft at 11:00AM Sep 18, 2019Observed: 5.06 ft at 11:15AM Sep 18, 2019Observed: 5.06 ft at 11:30AM Sep 18, 2019Observed: 5.06 ft at 11:45AM Sep 18, 2019Observed: 5.05 ft at 12:00PM Sep 18, 2019Observed: 5.05 ft at 12:15PM Sep 18, 2019Observed: 5.05 ft at 12:30PM Sep 18, 2019Observed: 5.05 ft at 12:45PM Sep 18, 2019Observed: 5.05 ft at 1:00PM Sep 18, 2019Observed: 5.04 ft at 1:15PM Sep 18, 2019Observed: 5.03 ft at 1:30PM Sep 18, 2019Observed: 5.03 ft at 1:45PM Sep 18, 2019Observed: 5.03 ft at 2:00PM Sep 18, 2019Observed: 5.03 ft at 2:15PM Sep 18, 2019Observed: 5.03 ft at 2:30PM Sep 18, 2019Observed: 5.03 ft at 2:45PM Sep 18, 2019Observed: 5.03 ft at 3:00PM Sep 18, 2019Observed: 5.02 ft at 3:15PM Sep 18, 2019Observed: 5.05 ft at 3:30PM Sep 18, 2019Observed: 5.05 ft at 3:31PM Sep 18, 2019Observed: 5.04 ft at 3:45PM Sep 18, 2019Observed: 5.04 ft at 3:46PM Sep 18, 2019Observed: 5.02 ft at 4:00PM Sep 18, 2019Observed: 5.02 ft at 4:01PM Sep 18, 2019Observed: 5.01 ft at 4:15PM Sep 18, 2019Observed: 5.01 ft at 4:16PM Sep 18, 2019Observed: 5.01 ft at 4:30PM Sep 18, 2019Observed: 5.01 ft at 4:45PM Sep 18, 2019Observed: 5.01 ft at 5:00PM Sep 18, 2019Observed: 5.01 ft at 5:15PM Sep 18, 2019Observed: 5.01 ft at 5:30PM Sep 18, 2019Observed: 5.01 ft at 5:45PM Sep 18, 2019Observed: 5 ft at 6:00PM Sep 18, 2019Observed: 5 ft at 6:15PM Sep 18, 2019Observed: 5 ft at 6:30PM Sep 18, 2019Observed: 5 ft at 6:45PM Sep 18, 2019Observed: 5 ft at 7:00PM Sep 18, 2019Observed: 4.99 ft at 7:15PM Sep 18, 2019Observed: 4.99 ft at 7:30PM Sep 18, 2019Observed: 4.98 ft at 7:45PM Sep 18, 2019Observed: 4.99 ft at 8:00PM Sep 18, 2019Observed: 4.99 ft at 8:15PM Sep 18, 2019Observed: 4.99 ft at 8:30PM Sep 18, 2019Observed: 4.98 ft at 8:45PM Sep 18, 2019Observed: 4.98 ft at 9:00PM Sep 18, 2019Observed: 4.98 ft at 9:15PM Sep 18, 2019Observed: 4.98 ft at 9:30PM Sep 18, 2019Observed: 4.98 ft at 9:45PM Sep 18, 2019Observed: 4.97 ft at 10:00PM Sep 18, 2019Observed: 4.97 ft at 10:15PM Sep 18, 2019Observed: 4.97 ft at 10:30PM Sep 18, 2019Observed: 4.97 ft at 10:45PM Sep 18, 2019Observed: 4.97 ft at 11:00PM Sep 18, 2019Observed: 4.97 ft at 11:15PM Sep 18, 2019Observed: 4.97 ft at 11:30PM Sep 18, 2019Observed: 4.97 ft at 11:31PM Sep 18, 2019Observed: 4.97 ft at 11:45PM Sep 18, 2019Observed: 4.97 ft at 11:46PM Sep 18, 2019Observed: 4.97 ft at 12:00AM Sep 19, 2019Observed: 4.97 ft at 12:01AM Sep 19, 2019Observed: 4.96 ft at 12:15AM Sep 19, 2019Observed: 4.96 ft at 12:16AM Sep 19, 2019Observed: 4.96 ft at 12:30AM Sep 19, 2019Observed: 4.96 ft at 12:45AM Sep 19, 2019Observed: 4.96 ft at 1:00AM Sep 19, 2019Observed: 4.96 ft at 1:15AM Sep 19, 2019Observed: 4.95 ft at 1:30AM Sep 19, 2019Observed: 4.95 ft at 1:45AM Sep 19, 2019Observed: 4.96 ft at 2:00AM Sep 19, 2019Observed: 4.96 ft at 2:15AM Sep 19, 2019Observed: 4.95 ft at 2:30AM Sep 19, 2019Observed: 4.95 ft at 2:45AM Sep 19, 2019Observed: 4.95 ft at 3:00AM Sep 19, 2019Observed: 4.95 ft at 3:15AM Sep 19, 2019Observed: 4.94 ft at 3:30AM Sep 19, 2019Observed: 4.94 ft at 3:45AM Sep 19, 2019Observed: 4.94 ft at 4:00AM Sep 19, 2019Observed: 4.94 ft at 4:15AM Sep 19, 2019Observed: 4.94 ft at 4:30AM Sep 19, 2019Observed: 4.94 ft at 4:45AM Sep 19, 2019Observed: 4.94 ft at 5:00AM Sep 19, 2019Observed: 4.94 ft at 5:15AM Sep 19, 2019Observed: 4.93 ft at 5:30AM Sep 19, 2019Observed: 4.93 ft at 5:45AM Sep 19, 2019Observed: 4.93 ft at 6:00AM Sep 19, 2019Observed: 4.93 ft at 6:15AM Sep 19, 2019Observed: 4.92 ft at 6:30AM Sep 19, 2019Observed: 4.93 ft at 6:45AM Sep 19, 2019Observed: 4.92 ft at 7:00AM Sep 19, 2019Observed: 4.92 ft at 7:15AM Sep 19, 2019Observed: 4.91 ft at 7:30AM Sep 19, 2019Observed: 4.91 ft at 7:31AM Sep 19, 2019Observed: 4.92 ft at 7:45AM Sep 19, 2019Observed: 4.92 ft at 7:46AM Sep 19, 2019Observed: 4.92 ft at 8:00AM Sep 19, 2019Observed: 4.92 ft at 8:01AM Sep 19, 2019Observed: 4.91 ft at 8:15AM Sep 19, 2019Observed: 4.91 ft at 8:16AM Sep 19, 2019Observed: 4.92 ft at 8:30AM Sep 19, 2019Observed: 4.92 ft at 8:45AM Sep 19, 2019Observed: 4.91 ft at 9:00AM Sep 19, 2019Observed: 4.91 ft at 9:15AM Sep 19, 2019Observed: 4.91 ft at 9:30AM Sep 19, 2019Observed: 4.91 ft at 9:45AM Sep 19, 2019Observed: 4.91 ft at 10:00AM Sep 19, 2019Observed: 4.91 ft at 10:15AM Sep 19, 2019Observed: 4.91 ft at 10:30AM Sep 19, 2019Observed: 4.91 ft at 10:45AM Sep 19, 2019Observed: 4.9 ft at 11:00AM Sep 19, 2019Observed: 4.9 ft at 11:15AM Sep 19, 2019Observed: 4.9 ft at 11:30AM Sep 19, 2019Observed: 4.91 ft at 11:45AM Sep 19, 2019Observed: 4.9 ft at 12:00PM Sep 19, 2019Observed: 4.9 ft at 12:15PM Sep 19, 2019Observed: 4.9 ft at 12:30PM Sep 19, 2019Observed: 4.89 ft at 12:45PM Sep 19, 2019Observed: 4.89 ft at 1:00PM Sep 19, 2019Observed: 4.89 ft at 1:15PM Sep 19, 2019Observed: 4.89 ft at 1:30PM Sep 19, 2019Observed: 4.89 ft at 1:45PM Sep 19, 2019Observed: 4.88 ft at 2:00PM Sep 19, 2019Observed: 4.88 ft at 2:15PM Sep 19, 2019Observed: 4.88 ft at 2:30PM Sep 19, 2019Observed: 4.88 ft at 2:45PM Sep 19, 2019Observed: 4.87 ft at 3:00PM Sep 19, 2019Observed: 4.87 ft at 3:15PM Sep 19, 2019Observed: 4.88 ft at 3:30PM Sep 19, 2019Observed: 4.88 ft at 3:31PM Sep 19, 2019Observed: 4.87 ft at 3:45PM Sep 19, 2019Observed: 4.87 ft at 3:46PM Sep 19, 2019Observed: 4.87 ft at 4:00PM Sep 19, 2019Observed: 4.87 ft at 4:01PM Sep 19, 2019Observed: 4.87 ft at 4:15PM Sep 19, 2019Observed: 4.87 ft at 4:16PM Sep 19, 2019Observed: 4.87 ft at 4:30PM Sep 19, 2019Observed: 4.87 ft at 4:45PM Sep 19, 2019Observed: 4.87 ft at 5:00PM Sep 19, 2019Observed: 4.86 ft at 5:15PM Sep 19, 2019Observed: 4.86 ft at 5:30PM Sep 19, 2019Observed: 4.86 ft at 5:45PM Sep 19, 2019Observed: 4.86 ft at 6:00PM Sep 19, 2019Observed: 4.86 ft at 6:15PM Sep 19, 2019Observed: 4.85 ft at 6:30PM Sep 19, 2019Observed: 4.85 ft at 6:45PM Sep 19, 2019Observed: 4.85 ft at 7:00PM Sep 19, 2019Observed: 4.86 ft at 7:15PM Sep 19, 2019Observed: 4.85 ft at 7:30PM Sep 19, 2019Observed: 4.85 ft at 7:45PM Sep 19, 2019Observed: 4.85 ft at 8:00PM Sep 19, 2019Observed: 4.85 ft at 8:15PM Sep 19, 2019Observed: 4.85 ft at 8:30PM Sep 19, 2019Observed: 4.84 ft at 8:45PM Sep 19, 2019Observed: 4.85 ft at 9:00PM Sep 19, 2019Observed: 4.84 ft at 9:15PM Sep 19, 2019Observed: 4.84 ft at 9:30PM Sep 19, 2019Observed: 4.84 ft at 9:45PM Sep 19, 2019Observed: 4.84 ft at 10:00PM Sep 19, 2019Observed: 4.84 ft at 10:15PM Sep 19, 2019Observed: 4.84 ft at 10:30PM Sep 19, 2019Observed: 4.84 ft at 10:45PM Sep 19, 2019Observed: 4.84 ft at 11:00PM Sep 19, 2019Observed: 4.84 ft at 11:15PM Sep 19, 2019Observed: 4.84 ft at 11:30PM Sep 19, 2019Observed: 4.84 ft at 11:31PM Sep 19, 2019Observed: 4.83 ft at 11:45PM Sep 19, 2019Observed: 4.83 ft at 11:46PM Sep 19, 2019Observed: 4.83 ft at 12:00AM Sep 20, 2019Observed: 4.83 ft at 12:01AM Sep 20, 2019Observed: 4.83 ft at 12:15AM Sep 20, 2019Observed: 4.83 ft at 12:16AM Sep 20, 2019Observed: 4.83 ft at 12:30AM Sep 20, 2019Observed: 4.83 ft at 12:45AM Sep 20, 2019Observed: 4.84 ft at 1:00AM Sep 20, 2019Observed: 4.84 ft at 1:15AM Sep 20, 2019Observed: 4.83 ft at 1:30AM Sep 20, 2019Observed: 4.83 ft at 1:45AM Sep 20, 2019Observed: 4.83 ft at 2:00AM Sep 20, 2019Observed: 4.83 ft at 2:15AM Sep 20, 2019Observed: 4.82 ft at 2:30AM Sep 20, 2019Observed: 4.82 ft at 2:45AM Sep 20, 2019Observed: 4.82 ft at 3:00AM Sep 20, 2019Observed: 4.82 ft at 3:15AM Sep 20, 2019Observed: 4.82 ft at 3:30AM Sep 20, 2019Observed: 4.81 ft at 3:45AM Sep 20, 2019Observed: 4.81 ft at 4:00AM Sep 20, 2019Observed: 4.82 ft at 4:15AM Sep 20, 2019Observed: 4.81 ft at 4:30AM Sep 20, 2019Observed: 4.81 ft at 4:45AM Sep 20, 2019Observed: 4.81 ft at 5:00AM Sep 20, 2019Observed: 4.8 ft at 5:15AM Sep 20, 2019Observed: 4.8 ft at 5:30AM Sep 20, 2019Observed: 4.81 ft at 5:45AM Sep 20, 2019Observed: 4.81 ft at 6:00AM Sep 20, 2019Observed: 4.81 ft at 6:15AM Sep 20, 2019Observed: 4.81 ft at 6:30AM Sep 20, 2019Observed: 4.81 ft at 6:45AM Sep 20, 2019Observed: 4.8 ft at 7:00AM Sep 20, 2019Observed: 4.81 ft at 7:15AM Sep 20, 2019Observed: 4.81 ft at 7:30AM Sep 20, 2019Observed: 4.81 ft at 7:31AM Sep 20, 2019Observed: 4.81 ft at 7:45AM Sep 20, 2019Observed: 4.81 ft at 7:46AM Sep 20, 2019Observed: 4.8 ft at 8:00AM Sep 20, 2019Observed: 4.8 ft at 8:01AM Sep 20, 2019Observed: 4.8 ft at 8:15AM Sep 20, 2019Observed: 4.8 ft at 8:16AM Sep 20, 2019Observed: 4.8 ft at 8:30AM Sep 20, 2019Observed: 4.79 ft at 8:45AM Sep 20, 2019Observed: 4.79 ft at 9:00AM Sep 20, 2019Observed: 4.79 ft at 9:15AM Sep 20, 2019Observed: 4.79 ft at 9:30AM Sep 20, 2019Observed: 4.79 ft at 9:45AM Sep 20, 2019Observed: 4.79 ft at 10:00AM Sep 20, 2019Observed: 4.79 ft at 10:15AM Sep 20, 2019Observed: 4.79 ft at 10:30AM Sep 20, 2019Observed: 4.78 ft at 10:45AM Sep 20, 2019Observed: 4.79 ft at 11:00AM Sep 20, 2019Observed: 4.79 ft at 11:15AM Sep 20, 2019Observed: 4.79 ft at 11:30AM Sep 20, 2019Observed: 4.79 ft at 11:45AM Sep 20, 2019Observed: 4.78 ft at 12:00PM Sep 20, 2019Observed: 4.78 ft at 12:15PM Sep 20, 2019Observed: 4.78 ft at 12:30PM Sep 20, 2019Observed: 4.78 ft at 12:45PM Sep 20, 2019Observed: 4.78 ft at 1:00PM Sep 20, 2019Observed: 4.78 ft at 1:15PM Sep 20, 2019Observed: 4.77 ft at 1:30PM Sep 20, 2019Observed: 4.77 ft at 1:45PM Sep 20, 2019Observed: 4.77 ft at 2:00PM Sep 20, 2019Observed: 4.77 ft at 2:15PM Sep 20, 2019Observed: 4.76 ft at 2:30PM Sep 20, 2019Observed: 4.77 ft at 2:45PM Sep 20, 2019Observed: 4.77 ft at 3:00PM Sep 20, 2019Observed: 4.78 ft at 3:15PM Sep 20, 2019Observed: 4.77 ft at 3:30PM Sep 20, 2019Observed: 4.76 ft at 3:45PM Sep 20, 2019Observed: 4.76 ft at 4:00PM Sep 20, 2019Observed: 4.76 ft at 4:15PM Sep 20, 2019Observed: 4.76 ft at 4:30PM Sep 20, 2019Observed: 4.75 ft at 4:45PM Sep 20, 2019Observed: 4.76 ft at 5:00PM Sep 20, 2019Observed: 4.75 ft at 5:15PM Sep 20, 2019Observed: 4.75 ft at 5:30PM Sep 20, 2019Observed: 4.75 ft at 5:45PM Sep 20, 2019Observed: 4.75 ft at 6:00PM Sep 20, 2019Observed: 4.75 ft at 6:15PM Sep 20, 2019Observed: 4.75 ft at 6:30PM Sep 20, 2019Observed: 4.75 ft at 6:45PM Sep 20, 2019Observed: 4.75 ft at 7:00PM Sep 20, 2019Observed: 4.74 ft at 7:15PM Sep 20, 2019USGS--Water Resources of the United StatesPAHS2(plotting HGIRG) Graph Created (8:07PM Sep 20, 2019)ObservedLatest observed value: 4.74 ft at 7:15 PM CDT 20-Sep-2019. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Keyapaha River near Keyapaha. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Wewala
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 11
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 13.70 ft on 04/01/1952
(2) 11.29 ft on 02/18/1997
(3) 9.73 ft on 03/12/2011
(4) 9.48 ft on 05/11/1999
(5) 9.48 ft on 02/20/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.98 ft on 02/14/2017
(2) 7.27 ft on 05/02/2016
(3) 7.79 ft on 09/24/2015
(4) 8.29 ft on 06/05/2014
(5) 7.58 ft on 05/20/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.70 ft on 09/12/2000
Show More Low Water Records

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
10 Flood stage. Flooding of yards and agricultural land along the river.
About This Location Collapse

Latitude: 43.129167° N, Longitude: 100.106667° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 2230 ft 2240 ft 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
Rapid City Weather Forecast Office
300 East Signal Drive
Rapid City, SD 57701-3800
(605) 341-7531
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