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Hydrograph River at a Glance Download
Keyapaha River near Keyapaha Stage (ft)Flow (kcfs)Observed: 5.36 ft at 4:15AM Jan 16, 2021Observed: 5.36 ft at 4:30AM Jan 16, 2021Observed: 5.35 ft at 4:45AM Jan 16, 2021Observed: 5.35 ft at 5:00AM Jan 16, 2021Observed: 5.34 ft at 5:15AM Jan 16, 2021Observed: 5.34 ft at 5:30AM Jan 16, 2021Observed: 5.33 ft at 5:45AM Jan 16, 2021Observed: 5.33 ft at 6:00AM Jan 16, 2021Observed: 5.32 ft at 6:15AM Jan 16, 2021Observed: 5.32 ft at 6:30AM Jan 16, 2021Observed: 5.31 ft at 6:45AM Jan 16, 2021Observed: 5.3 ft at 7:00AM Jan 16, 2021Observed: 5.29 ft at 7:15AM Jan 16, 2021Observed: 5.29 ft at 7:30AM Jan 16, 2021Observed: 5.29 ft at 7:45AM Jan 16, 2021Observed: 5.28 ft at 8:00AM Jan 16, 2021Observed: 5.27 ft at 8:15AM Jan 16, 2021Observed: 5.27 ft at 8:30AM Jan 16, 2021Observed: 5.26 ft at 8:45AM Jan 16, 2021Observed: 5.26 ft at 9:00AM Jan 16, 2021Observed: 5.25 ft at 9:15AM Jan 16, 2021Observed: 5.24 ft at 9:30AM Jan 16, 2021Observed: 5.24 ft at 9:45AM Jan 16, 2021Observed: 5.23 ft at 10:00AM Jan 16, 2021Observed: 5.23 ft at 10:15AM Jan 16, 2021Observed: 5.22 ft at 10:30AM Jan 16, 2021Observed: 5.22 ft at 10:45AM Jan 16, 2021Observed: 5.22 ft at 11:00AM Jan 16, 2021Observed: 5.21 ft at 11:15AM Jan 16, 2021Observed: 5.2 ft at 11:30AM Jan 16, 2021Observed: 5.2 ft at 11:45AM Jan 16, 2021Observed: 5.19 ft at 12:00PM Jan 16, 2021Observed: 5.18 ft at 12:15PM Jan 16, 2021Observed: 5.18 ft at 12:30PM Jan 16, 2021Observed: 5.17 ft at 12:45PM Jan 16, 2021Observed: 5.17 ft at 1:00PM Jan 16, 2021Observed: 5.16 ft at 1:15PM Jan 16, 2021Observed: 5.16 ft at 1:30PM Jan 16, 2021Observed: 5.15 ft at 1:45PM Jan 16, 2021Observed: 5.16 ft at 2:00PM Jan 16, 2021Observed: 5.15 ft at 2:15PM Jan 16, 2021Observed: 5.15 ft at 2:30PM Jan 16, 2021Observed: 5.14 ft at 2:45PM Jan 16, 2021Observed: 5.14 ft at 3:00PM Jan 16, 2021Observed: 5.14 ft at 3:15PM Jan 16, 2021Observed: 5.14 ft at 3:30PM Jan 16, 2021Observed: 5.13 ft at 3:45PM Jan 16, 2021Observed: 5.14 ft at 4:00PM Jan 16, 2021Observed: 5.13 ft at 4:15PM Jan 16, 2021Observed: 5.14 ft at 4:30PM Jan 16, 2021Observed: 5.13 ft at 4:45PM Jan 16, 2021Observed: 5.14 ft at 5:00PM Jan 16, 2021Observed: 5.14 ft at 5:01PM Jan 16, 2021Observed: 5.14 ft at 5:15PM Jan 16, 2021Observed: 5.14 ft at 5:16PM Jan 16, 2021Observed: 5.15 ft at 5:30PM Jan 16, 2021Observed: 5.15 ft at 5:31PM Jan 16, 2021Observed: 5.15 ft at 5:45PM Jan 16, 2021Observed: 5.15 ft at 5:46PM Jan 16, 2021Observed: 5.16 ft at 6:00PM Jan 16, 2021Observed: 5.17 ft at 6:15PM Jan 16, 2021Observed: 5.18 ft at 6:30PM Jan 16, 2021Observed: 5.19 ft at 6:45PM Jan 16, 2021Observed: 5.2 ft at 7:00PM Jan 16, 2021Observed: 5.22 ft at 7:15PM Jan 16, 2021Observed: 5.23 ft at 7:30PM Jan 16, 2021Observed: 5.25 ft at 7:45PM Jan 16, 2021Observed: 5.26 ft at 8:00PM Jan 16, 2021Observed: 5.27 ft at 8:15PM Jan 16, 2021Observed: 5.29 ft at 8:30PM Jan 16, 2021Observed: 5.29 ft at 8:45PM Jan 16, 2021Observed: 5.3 ft at 9:00PM Jan 16, 2021Observed: 5.31 ft at 9:15PM Jan 16, 2021Observed: 5.33 ft at 9:30PM Jan 16, 2021Observed: 5.32 ft at 9:45PM Jan 16, 2021Observed: 5.33 ft at 10:00PM Jan 16, 2021Observed: 5.33 ft at 10:15PM Jan 16, 2021Observed: 5.34 ft at 10:30PM Jan 16, 2021Observed: 5.34 ft at 10:45PM Jan 16, 2021Observed: 5.34 ft at 11:00PM Jan 16, 2021Observed: 5.34 ft at 11:15PM Jan 16, 2021Observed: 5.34 ft at 11:30PM Jan 16, 2021Observed: 5.34 ft at 11:45PM Jan 16, 2021Observed: 5.34 ft at 12:00AM Jan 17, 2021Observed: 5.33 ft at 12:15AM Jan 17, 2021Observed: 5.34 ft at 12:30AM Jan 17, 2021Observed: 5.34 ft at 12:45AM Jan 17, 2021Observed: 5.34 ft at 1:00AM Jan 17, 2021Observed: 5.34 ft at 1:01AM Jan 17, 2021Observed: 5.34 ft at 1:15AM Jan 17, 2021Observed: 5.34 ft at 1:16AM Jan 17, 2021Observed: 5.34 ft at 1:30AM Jan 17, 2021Observed: 5.34 ft at 1:31AM Jan 17, 2021Observed: 5.34 ft at 1:45AM Jan 17, 2021Observed: 5.34 ft at 1:46AM Jan 17, 2021Observed: 5.34 ft at 2:00AM Jan 17, 2021Observed: 5.34 ft at 2:15AM Jan 17, 2021Observed: 5.34 ft at 2:30AM Jan 17, 2021Observed: 5.34 ft at 2:45AM Jan 17, 2021Observed: 5.34 ft at 3:00AM Jan 17, 2021Observed: 5.34 ft at 3:15AM Jan 17, 2021Observed: 5.35 ft at 3:30AM Jan 17, 2021Observed: 5.35 ft at 3:45AM Jan 17, 2021Observed: 5.35 ft at 4:00AM Jan 17, 2021Observed: 5.35 ft at 4:15AM Jan 17, 2021Observed: 5.35 ft at 4:30AM Jan 17, 2021Observed: 5.35 ft at 4:45AM Jan 17, 2021Observed: 5.35 ft at 5:00AM Jan 17, 2021Observed: 5.35 ft at 5:15AM Jan 17, 2021Observed: 5.35 ft at 5:30AM Jan 17, 2021Observed: 5.35 ft at 5:45AM Jan 17, 2021Observed: 5.34 ft at 6:00AM Jan 17, 2021Observed: 5.35 ft at 6:15AM Jan 17, 2021Observed: 5.35 ft at 6:30AM Jan 17, 2021Observed: 5.34 ft at 6:45AM Jan 17, 2021Observed: 5.34 ft at 7:00AM Jan 17, 2021Observed: 5.34 ft at 7:15AM Jan 17, 2021Observed: 5.33 ft at 7:30AM Jan 17, 2021Observed: 5.33 ft at 7:45AM Jan 17, 2021Observed: 5.33 ft at 8:00AM Jan 17, 2021Observed: 5.33 ft at 8:15AM Jan 17, 2021Observed: 5.32 ft at 8:30AM Jan 17, 2021Observed: 5.32 ft at 8:45AM Jan 17, 2021Observed: 5.32 ft at 9:00AM Jan 17, 2021Observed: 5.32 ft at 9:15AM Jan 17, 2021Observed: 5.31 ft at 9:30AM Jan 17, 2021Observed: 5.31 ft at 9:45AM Jan 17, 2021Observed: 5.3 ft at 10:00AM Jan 17, 2021Observed: 5.31 ft at 10:15AM Jan 17, 2021Observed: 5.3 ft at 10:30AM Jan 17, 2021Observed: 5.3 ft at 10:45AM Jan 17, 2021Observed: 5.29 ft at 11:00AM Jan 17, 2021Observed: 5.28 ft at 11:15AM Jan 17, 2021Observed: 5.27 ft at 11:30AM Jan 17, 2021Observed: 5.26 ft at 11:45AM Jan 17, 2021Observed: 5.26 ft at 12:00PM Jan 17, 2021Observed: 5.25 ft at 12:15PM Jan 17, 2021Observed: 5.24 ft at 12:30PM Jan 17, 2021Observed: 5.24 ft at 12:45PM Jan 17, 2021Observed: 5.23 ft at 1:00PM Jan 17, 2021Observed: 5.22 ft at 1:15PM Jan 17, 2021Observed: 5.21 ft at 1:30PM Jan 17, 2021Observed: 5.21 ft at 1:45PM Jan 17, 2021Observed: 5.2 ft at 2:00PM Jan 17, 2021Observed: 5.19 ft at 2:15PM Jan 17, 2021Observed: 5.19 ft at 2:30PM Jan 17, 2021Observed: 5.18 ft at 2:45PM Jan 17, 2021Observed: 5.17 ft at 3:00PM Jan 17, 2021Observed: 5.17 ft at 3:15PM Jan 17, 2021Observed: 5.17 ft at 3:30PM Jan 17, 2021Observed: 5.16 ft at 3:45PM Jan 17, 2021Observed: 5.16 ft at 4:00PM Jan 17, 2021Observed: 5.15 ft at 4:15PM Jan 17, 2021Observed: 5.16 ft at 4:30PM Jan 17, 2021Observed: 5.15 ft at 4:45PM Jan 17, 2021Observed: 5.16 ft at 5:00PM Jan 17, 2021Observed: 5.16 ft at 5:01PM Jan 17, 2021Observed: 5.16 ft at 5:15PM Jan 17, 2021Observed: 5.16 ft at 5:16PM Jan 17, 2021Observed: 5.16 ft at 5:30PM Jan 17, 2021Observed: 5.16 ft at 5:31PM Jan 17, 2021Observed: 5.17 ft at 5:45PM Jan 17, 2021Observed: 5.17 ft at 5:46PM Jan 17, 2021Observed: 5.17 ft at 6:00PM Jan 17, 2021Observed: 5.18 ft at 6:15PM Jan 17, 2021Observed: 5.19 ft at 6:30PM Jan 17, 2021Observed: 5.21 ft at 6:45PM Jan 17, 2021Observed: 5.23 ft at 7:00PM Jan 17, 2021Observed: 5.25 ft at 7:15PM Jan 17, 2021Observed: 5.26 ft at 7:30PM Jan 17, 2021Observed: 5.28 ft at 7:45PM Jan 17, 2021Observed: 5.29 ft at 8:00PM Jan 17, 2021Observed: 5.3 ft at 8:15PM Jan 17, 2021Observed: 5.31 ft at 8:30PM Jan 17, 2021Observed: 5.32 ft at 8:45PM Jan 17, 2021Observed: 5.32 ft at 9:00PM Jan 17, 2021Observed: 5.33 ft at 9:15PM Jan 17, 2021Observed: 5.33 ft at 9:30PM Jan 17, 2021Observed: 5.34 ft at 9:45PM Jan 17, 2021Observed: 5.34 ft at 10:00PM Jan 17, 2021Observed: 5.34 ft at 10:15PM Jan 17, 2021Observed: 5.34 ft at 10:30PM Jan 17, 2021Observed: 5.35 ft at 10:45PM Jan 17, 2021Observed: 5.35 ft at 11:00PM Jan 17, 2021Observed: 5.35 ft at 11:15PM Jan 17, 2021Observed: 5.36 ft at 11:30PM Jan 17, 2021Observed: 5.36 ft at 11:45PM Jan 17, 2021Observed: 5.36 ft at 12:00AM Jan 18, 2021Observed: 5.37 ft at 12:15AM Jan 18, 2021Observed: 5.37 ft at 12:30AM Jan 18, 2021Observed: 5.38 ft at 12:45AM Jan 18, 2021Observed: 5.37 ft at 1:00AM Jan 18, 2021Observed: 5.37 ft at 1:01AM Jan 18, 2021Observed: 5.37 ft at 1:15AM Jan 18, 2021Observed: 5.37 ft at 1:16AM Jan 18, 2021Observed: 5.37 ft at 1:30AM Jan 18, 2021Observed: 5.37 ft at 1:31AM Jan 18, 2021Observed: 5.37 ft at 1:45AM Jan 18, 2021Observed: 5.37 ft at 1:46AM Jan 18, 2021Observed: 5.38 ft at 2:00AM Jan 18, 2021Observed: 5.38 ft at 2:15AM Jan 18, 2021Observed: 5.38 ft at 2:30AM Jan 18, 2021Observed: 5.37 ft at 2:45AM Jan 18, 2021Observed: 5.37 ft at 3:00AM Jan 18, 2021Observed: 5.37 ft at 3:15AM Jan 18, 2021Observed: 5.37 ft at 3:30AM Jan 18, 2021Observed: 5.36 ft at 3:45AM Jan 18, 2021Observed: 5.36 ft at 4:00AM Jan 18, 2021Observed: 5.36 ft at 4:15AM Jan 18, 2021Observed: 5.35 ft at 4:30AM Jan 18, 2021Observed: 5.36 ft at 4:45AM Jan 18, 2021Observed: 5.35 ft at 5:00AM Jan 18, 2021Observed: 5.35 ft at 5:15AM Jan 18, 2021Observed: 5.34 ft at 5:30AM Jan 18, 2021Observed: 5.34 ft at 5:45AM Jan 18, 2021Observed: 5.33 ft at 6:00AM Jan 18, 2021Observed: 5.33 ft at 6:15AM Jan 18, 2021Observed: 5.33 ft at 6:30AM Jan 18, 2021Observed: 5.33 ft at 6:45AM Jan 18, 2021Observed: 5.33 ft at 7:00AM Jan 18, 2021Observed: 5.32 ft at 7:15AM Jan 18, 2021Observed: 5.33 ft at 7:30AM Jan 18, 2021Observed: 5.32 ft at 7:45AM Jan 18, 2021Observed: 5.31 ft at 8:00AM Jan 18, 2021Observed: 5.31 ft at 8:15AM Jan 18, 2021Observed: 5.31 ft at 8:30AM Jan 18, 2021Observed: 5.3 ft at 8:45AM Jan 18, 2021Observed: 5.3 ft at 9:00AM Jan 18, 2021Observed: 5.3 ft at 9:01AM Jan 18, 2021Observed: 5.3 ft at 9:15AM Jan 18, 2021Observed: 5.3 ft at 9:16AM Jan 18, 2021Observed: 5.3 ft at 9:30AM Jan 18, 2021Observed: 5.3 ft at 9:31AM Jan 18, 2021Observed: 5.3 ft at 9:45AM Jan 18, 2021Observed: 5.3 ft at 9:46AM Jan 18, 2021Observed: 5.29 ft at 10:00AM Jan 18, 2021Observed: 5.29 ft at 10:15AM Jan 18, 2021Observed: 5.29 ft at 10:30AM Jan 18, 2021Observed: 5.29 ft at 10:45AM Jan 18, 2021Observed: 5.28 ft at 11:00AM Jan 18, 2021Observed: 5.28 ft at 11:15AM Jan 18, 2021Observed: 5.27 ft at 11:30AM Jan 18, 2021Observed: 5.27 ft at 11:45AM Jan 18, 2021Observed: 5.27 ft at 12:00PM Jan 18, 2021Observed: 5.26 ft at 12:15PM Jan 18, 2021Observed: 5.26 ft at 12:30PM Jan 18, 2021Observed: 5.25 ft at 12:45PM Jan 18, 2021Observed: 5.25 ft at 1:00PM Jan 18, 2021Observed: 5.24 ft at 1:15PM Jan 18, 2021Observed: 5.24 ft at 1:30PM Jan 18, 2021Observed: 5.23 ft at 1:45PM Jan 18, 2021Observed: 5.23 ft at 2:00PM Jan 18, 2021Observed: 5.23 ft at 2:15PM Jan 18, 2021Observed: 5.23 ft at 2:30PM Jan 18, 2021Observed: 5.24 ft at 2:45PM Jan 18, 2021Observed: 5.24 ft at 3:00PM Jan 18, 2021Observed: 5.24 ft at 3:15PM Jan 18, 2021Observed: 5.24 ft at 3:30PM Jan 18, 2021Observed: 5.24 ft at 3:45PM Jan 18, 2021Observed: 5.28 ft at 4:00PM Jan 18, 2021Observed: 5.29 ft at 4:15PM Jan 18, 2021Observed: 5.33 ft at 4:30PM Jan 18, 2021Observed: 5.34 ft at 4:45PM Jan 18, 2021Observed: 5.33 ft at 5:00PM Jan 18, 2021Observed: 5.31 ft at 5:15PM Jan 18, 2021Observed: 5.31 ft at 5:30PM Jan 18, 2021Observed: 5.42 ft at 5:45PM Jan 18, 2021Observed: 5.32 ft at 6:00PM Jan 18, 2021Observed: 5.36 ft at 6:15PM Jan 18, 2021Observed: 5.48 ft at 6:30PM Jan 18, 2021Observed: 5.37 ft at 6:45PM Jan 18, 2021Observed: 5.46 ft at 7:00PM Jan 18, 2021Observed: 5.46 ft at 7:15PM Jan 18, 2021Observed: 5.53 ft at 7:30PM Jan 18, 2021Observed: 5.34 ft at 7:45PM Jan 18, 2021Observed: 5.37 ft at 8:00PM Jan 18, 2021Observed: 5.49 ft at 8:15PM Jan 18, 2021Observed: 5.43 ft at 8:30PM Jan 18, 2021Observed: 5.46 ft at 8:45PM Jan 18, 2021Observed: 5.53 ft at 9:00PM Jan 18, 2021Observed: 5.48 ft at 9:15PM Jan 18, 2021Observed: 5.48 ft at 9:30PM Jan 18, 2021Observed: 5.38 ft at 9:45PM Jan 18, 2021Observed: 5.36 ft at 10:00PM Jan 18, 2021Highest Observation: 5.61 ft at 10:15PM Jan 18, 2021Observed: 5.47 ft at 10:30PM Jan 18, 2021Observed: 5.39 ft at 10:45PM Jan 18, 2021Observed: 5.37 ft at 11:00PM Jan 18, 2021Observed: 5.35 ft at 11:15PM Jan 18, 2021Observed: 5.37 ft at 11:30PM Jan 18, 2021Observed: 5.41 ft at 11:45PM Jan 18, 2021Observed: 5.45 ft at 12:00AM Jan 19, 2021Observed: 5.38 ft at 12:15AM Jan 19, 2021Observed: 5.42 ft at 12:30AM Jan 19, 2021Observed: 5.42 ft at 12:45AM Jan 19, 2021Observed: 5.43 ft at 1:00AM Jan 19, 2021Observed: 5.43 ft at 1:01AM Jan 19, 2021Observed: 5.4 ft at 1:15AM Jan 19, 2021Observed: 5.4 ft at 1:16AM Jan 19, 2021Observed: 5.34 ft at 1:30AM Jan 19, 2021Observed: 5.34 ft at 1:31AM Jan 19, 2021Observed: 5.29 ft at 1:45AM Jan 19, 2021Observed: 5.29 ft at 1:46AM Jan 19, 2021Observed: 5.28 ft at 2:00AM Jan 19, 2021Observed: 5.28 ft at 2:15AM Jan 19, 2021Observed: 5.29 ft at 2:30AM Jan 19, 2021Observed: 5.29 ft at 2:45AM Jan 19, 2021Observed: 5.29 ft at 3:00AM Jan 19, 2021Observed: 5.28 ft at 3:15AM Jan 19, 2021USGS--Water Resources of the United StatesPAHS2(plotting HGIRG) Graph Created (4:08AM Jan 19, 2021)ObservedLatest observed value: 5.28 ft at 3:15 AM CST 19-Jan-2021. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Gauge reading may be affected by ice.

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) 11.36 ft on 03/23/2019
(3) 11.29 ft on 02/18/1997
(4) 9.73 ft on 03/12/2011
(5) 9.48 ft on 02/20/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.36 ft on 03/23/2019
(2) 8.21 ft on 04/21/2018
(3) 8.65 ft on 03/04/2018
(4) 7.98 ft on 02/14/2017
(5) 7.27 ft on 05/02/2016
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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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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