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Hydrograph River at a Glance Download
South Canyon near Rapid City Pool (ft)Observed: 5905.34 ft at 11:00AM Jan 20, 2021Observed: 5905.34 ft at 11:15AM Jan 20, 2021Observed: 5905.33 ft at 11:30AM Jan 20, 2021Observed: 5905.33 ft at 11:45AM Jan 20, 2021Observed: 5905.33 ft at 12:00PM Jan 20, 2021Observed: 5905.33 ft at 12:15PM Jan 20, 2021Observed: 5905.34 ft at 12:30PM Jan 20, 2021Observed: 5905.34 ft at 12:45PM Jan 20, 2021Observed: 5905.33 ft at 1:00PM Jan 20, 2021Observed: 5905.34 ft at 1:15PM Jan 20, 2021Observed: 5905.33 ft at 1:30PM Jan 20, 2021Observed: 5905.34 ft at 1:45PM Jan 20, 2021Observed: 5905.34 ft at 2:00PM Jan 20, 2021Observed: 5905.33 ft at 2:15PM Jan 20, 2021Observed: 5905.33 ft at 2:30PM Jan 20, 2021Observed: 5905.34 ft at 2:45PM Jan 20, 2021Observed: 5905.33 ft at 3:00PM Jan 20, 2021Observed: 5905.33 ft at 3:15PM Jan 20, 2021Observed: 5905.33 ft at 3:30PM Jan 20, 2021Observed: 5905.33 ft at 3:45PM Jan 20, 2021Observed: 5905.33 ft at 4:00PM Jan 20, 2021Observed: 5905.34 ft at 4:15PM Jan 20, 2021Observed: 5905.34 ft at 4:30PM Jan 20, 2021Observed: 5905.34 ft at 4:45PM Jan 20, 2021Observed: 5905.34 ft at 5:00PM Jan 20, 2021Observed: 5905.34 ft at 5:15PM Jan 20, 2021Observed: 5905.34 ft at 5:30PM Jan 20, 2021Observed: 5905.33 ft at 5:45PM Jan 20, 2021Observed: 5905.34 ft at 6:00PM Jan 20, 2021Observed: 5905.34 ft at 6:15PM Jan 20, 2021Observed: 5905.33 ft at 6:30PM Jan 20, 2021Observed: 5905.34 ft at 6:45PM Jan 20, 2021Observed: 5905.33 ft at 7:00PM Jan 20, 2021Observed: 5905.34 ft at 7:15PM Jan 20, 2021Observed: 5905.34 ft at 7:30PM Jan 20, 2021Observed: 5905.34 ft at 7:45PM Jan 20, 2021Observed: 5905.33 ft at 8:00PM Jan 20, 2021Observed: 5905.33 ft at 8:15PM Jan 20, 2021Observed: 5905.33 ft at 8:30PM Jan 20, 2021Observed: 5905.33 ft at 8:45PM Jan 20, 2021Observed: 5905.34 ft at 9:00PM Jan 20, 2021Observed: 5905.34 ft at 9:15PM Jan 20, 2021Observed: 5905.34 ft at 9:30PM Jan 20, 2021Observed: 5905.33 ft at 9:45PM Jan 20, 2021Observed: 5905.33 ft at 10:00PM Jan 20, 2021Observed: 5905.34 ft at 10:15PM Jan 20, 2021Observed: 5905.33 ft at 10:30PM Jan 20, 2021Observed: 5905.34 ft at 10:45PM Jan 20, 2021Observed: 5905.34 ft at 11:00PM Jan 20, 2021Observed: 5905.33 ft at 11:15PM Jan 20, 2021Observed: 5905.33 ft at 11:30PM Jan 20, 2021Observed: 5905.34 ft at 11:45PM Jan 20, 2021Observed: 5905.33 ft at 12:00AM Jan 21, 2021Observed: 5905.34 ft at 12:15AM Jan 21, 2021Observed: 5905.33 ft at 12:30AM Jan 21, 2021Observed: 5905.34 ft at 12:45AM Jan 21, 2021Observed: 5905.34 ft at 1:00AM Jan 21, 2021Observed: 5905.34 ft at 1:15AM Jan 21, 2021Observed: 5905.33 ft at 1:30AM Jan 21, 2021Observed: 5905.34 ft at 1:45AM Jan 21, 2021Observed: 5905.34 ft at 2:00AM Jan 21, 2021Observed: 5905.33 ft at 2:15AM Jan 21, 2021Observed: 5905.33 ft at 2:30AM Jan 21, 2021Observed: 5905.33 ft at 2:45AM Jan 21, 2021Observed: 5905.33 ft at 3:00AM Jan 21, 2021Observed: 5905.33 ft at 3:15AM Jan 21, 2021Observed: 5905.33 ft at 3:30AM Jan 21, 2021Observed: 5905.33 ft at 3:45AM Jan 21, 2021Observed: 5905.33 ft at 4:00AM Jan 21, 2021Observed: 5905.34 ft at 4:15AM Jan 21, 2021Observed: 5905.34 ft at 4:30AM Jan 21, 2021Observed: 5905.33 ft at 4:45AM Jan 21, 2021Observed: 5905.33 ft at 5:00AM Jan 21, 2021Observed: 5905.33 ft at 5:15AM Jan 21, 2021Observed: 5905.33 ft at 5:30AM Jan 21, 2021Observed: 5905.34 ft at 5:45AM Jan 21, 2021Observed: 5905.34 ft at 6:00AM Jan 21, 2021Observed: 5905.33 ft at 6:15AM Jan 21, 2021Observed: 5905.34 ft at 6:30AM Jan 21, 2021Observed: 5905.34 ft at 6:45AM Jan 21, 2021Observed: 5905.34 ft at 7:00AM Jan 21, 2021Observed: 5905.33 ft at 7:15AM Jan 21, 2021Observed: 5905.34 ft at 7:30AM Jan 21, 2021Observed: 5905.33 ft at 7:45AM Jan 21, 2021Observed: 5905.33 ft at 8:00AM Jan 21, 2021Observed: 5905.33 ft at 8:15AM Jan 21, 2021Observed: 5905.32 ft at 8:30AM Jan 21, 2021Observed: 5905.33 ft at 8:45AM Jan 21, 2021Observed: 5905.33 ft at 9:00AM Jan 21, 2021Observed: 5905.33 ft at 9:15AM Jan 21, 2021Observed: 5905.33 ft at 9:30AM Jan 21, 2021Observed: 5905.34 ft at 9:45AM Jan 21, 2021Observed: 5905.33 ft at 10:00AM Jan 21, 2021Observed: 5905.33 ft at 10:15AM Jan 21, 2021Observed: 5905.34 ft at 10:30AM Jan 21, 2021Observed: 5905.33 ft at 10:45AM Jan 21, 2021Observed: 5905.34 ft at 11:00AM Jan 21, 2021Observed: 5905.33 ft at 11:15AM Jan 21, 2021Observed: 5905.33 ft at 11:30AM Jan 21, 2021Observed: 5905.34 ft at 11:45AM Jan 21, 2021Observed: 5905.34 ft at 12:00PM Jan 21, 2021Observed: 5905.34 ft at 12:15PM Jan 21, 2021Observed: 5905.34 ft at 12:30PM Jan 21, 2021Observed: 5905.34 ft at 12:45PM Jan 21, 2021Observed: 5905.35 ft at 1:00PM Jan 21, 2021Observed: 5905.34 ft at 1:15PM Jan 21, 2021Observed: 5905.34 ft at 1:30PM Jan 21, 2021Observed: 5905.35 ft at 1:45PM Jan 21, 2021Observed: 5905.34 ft at 2:00PM Jan 21, 2021Observed: 5905.34 ft at 2:15PM Jan 21, 2021Observed: 5905.35 ft at 2:30PM Jan 21, 2021Observed: 5905.34 ft at 2:45PM Jan 21, 2021Observed: 5905.35 ft at 3:00PM Jan 21, 2021Observed: 5905.35 ft at 3:15PM Jan 21, 2021Observed: 5905.34 ft at 3:30PM Jan 21, 2021Observed: 5905.35 ft at 3:45PM Jan 21, 2021Observed: 5905.34 ft at 4:00PM Jan 21, 2021Observed: 5905.35 ft at 4:15PM Jan 21, 2021Observed: 5905.35 ft at 4:30PM Jan 21, 2021Observed: 5905.34 ft at 4:45PM Jan 21, 2021Observed: 5905.35 ft at 5:00PM Jan 21, 2021Observed: 5905.35 ft at 5:15PM Jan 21, 2021Observed: 5905.35 ft at 5:30PM Jan 21, 2021Observed: 5905.35 ft at 5:45PM Jan 21, 2021Observed: 5905.35 ft at 6:00PM Jan 21, 2021Observed: 5905.35 ft at 6:15PM Jan 21, 2021Observed: 5905.35 ft at 6:30PM Jan 21, 2021Observed: 5905.35 ft at 6:45PM Jan 21, 2021Observed: 5905.35 ft at 7:00PM Jan 21, 2021Observed: 5905.35 ft at 7:15PM Jan 21, 2021Observed: 5905.35 ft at 7:30PM Jan 21, 2021Observed: 5905.35 ft at 7:45PM Jan 21, 2021Observed: 5905.35 ft at 8:00PM Jan 21, 2021Observed: 5905.35 ft at 8:15PM Jan 21, 2021Observed: 5905.35 ft at 8:30PM Jan 21, 2021Observed: 5905.35 ft at 8:45PM Jan 21, 2021Observed: 5905.35 ft at 9:00PM Jan 21, 2021Observed: 5905.35 ft at 9:15PM Jan 21, 2021Observed: 5905.35 ft at 9:30PM Jan 21, 2021Observed: 5905.35 ft at 9:45PM Jan 21, 2021Observed: 5905.35 ft at 10:00PM Jan 21, 2021Observed: 5905.35 ft at 10:15PM Jan 21, 2021Observed: 5905.35 ft at 10:30PM Jan 21, 2021Observed: 5905.35 ft at 10:45PM Jan 21, 2021Observed: 5905.35 ft at 11:00PM Jan 21, 2021Observed: 5905.35 ft at 11:15PM Jan 21, 2021Observed: 5905.35 ft at 11:30PM Jan 21, 2021Observed: 5905.35 ft at 11:45PM Jan 21, 2021Observed: 5905.35 ft at 12:00AM Jan 22, 2021Observed: 5905.35 ft at 12:15AM Jan 22, 2021Observed: 5905.35 ft at 12:30AM Jan 22, 2021Observed: 5905.35 ft at 12:45AM Jan 22, 2021Observed: 5905.35 ft at 1:00AM Jan 22, 2021Observed: 5905.35 ft at 1:15AM Jan 22, 2021Observed: 5905.36 ft at 1:30AM Jan 22, 2021Observed: 5905.35 ft at 1:45AM Jan 22, 2021Observed: 5905.35 ft at 2:00AM Jan 22, 2021Observed: 5905.36 ft at 2:15AM Jan 22, 2021Observed: 5905.36 ft at 2:30AM Jan 22, 2021Observed: 5905.35 ft at 2:45AM Jan 22, 2021Observed: 5905.36 ft at 3:00AM Jan 22, 2021Observed: 5905.35 ft at 3:15AM Jan 22, 2021Observed: 5905.36 ft at 3:30AM Jan 22, 2021Observed: 5905.36 ft at 3:45AM Jan 22, 2021Observed: 5905.35 ft at 4:00AM Jan 22, 2021Observed: 5905.36 ft at 4:15AM Jan 22, 2021Observed: 5905.36 ft at 4:30AM Jan 22, 2021Observed: 5905.35 ft at 4:45AM Jan 22, 2021Observed: 5905.36 ft at 5:00AM Jan 22, 2021Observed: 5905.35 ft at 5:15AM Jan 22, 2021Observed: 5905.36 ft at 5:30AM Jan 22, 2021Observed: 5905.36 ft at 5:45AM Jan 22, 2021Observed: 5905.35 ft at 6:00AM Jan 22, 2021Observed: 5905.36 ft at 6:15AM Jan 22, 2021Observed: 5905.35 ft at 6:30AM Jan 22, 2021Observed: 5905.35 ft at 6:45AM Jan 22, 2021Observed: 5905.36 ft at 7:00AM Jan 22, 2021Observed: 5905.35 ft at 7:15AM Jan 22, 2021Observed: 5905.36 ft at 7:30AM Jan 22, 2021Observed: 5905.35 ft at 7:45AM Jan 22, 2021Observed: 5905.36 ft at 8:00AM Jan 22, 2021Observed: 5905.36 ft at 8:15AM Jan 22, 2021Observed: 5905.35 ft at 8:30AM Jan 22, 2021Observed: 5905.36 ft at 8:45AM Jan 22, 2021Observed: 5905.36 ft at 9:00AM Jan 22, 2021Observed: 5905.35 ft at 9:15AM Jan 22, 2021Observed: 5905.36 ft at 9:30AM Jan 22, 2021Observed: 5905.36 ft at 9:45AM Jan 22, 2021Observed: 5905.36 ft at 10:00AM Jan 22, 2021Observed: 5905.36 ft at 10:15AM Jan 22, 2021Observed: 5905.35 ft at 10:30AM Jan 22, 2021Observed: 5905.36 ft at 10:45AM Jan 22, 2021Observed: 5905.36 ft at 11:00AM Jan 22, 2021Observed: 5905.36 ft at 11:15AM Jan 22, 2021Observed: 5905.36 ft at 11:30AM Jan 22, 2021Observed: 5905.36 ft at 11:45AM Jan 22, 2021Observed: 5905.35 ft at 12:00PM Jan 22, 2021Observed: 5905.36 ft at 12:15PM Jan 22, 2021Observed: 5905.35 ft at 12:30PM Jan 22, 2021Observed: 5905.36 ft at 12:45PM Jan 22, 2021Observed: 5905.36 ft at 1:00PM Jan 22, 2021Observed: 5905.36 ft at 1:15PM Jan 22, 2021Observed: 5905.36 ft at 1:30PM Jan 22, 2021Observed: 5905.36 ft at 1:45PM Jan 22, 2021Observed: 5905.36 ft at 2:00PM Jan 22, 2021Observed: 5905.36 ft at 2:15PM Jan 22, 2021Observed: 5905.36 ft at 2:30PM Jan 22, 2021Observed: 5905.36 ft at 2:45PM Jan 22, 2021Observed: 5905.36 ft at 3:00PM Jan 22, 2021Observed: 5905.36 ft at 3:15PM Jan 22, 2021Observed: 5905.36 ft at 3:30PM Jan 22, 2021Observed: 5905.36 ft at 3:45PM Jan 22, 2021Observed: 5905.36 ft at 4:00PM Jan 22, 2021Observed: 5905.36 ft at 4:15PM Jan 22, 2021Observed: 5905.36 ft at 4:30PM Jan 22, 2021Observed: 5905.36 ft at 4:45PM Jan 22, 2021Observed: 5905.36 ft at 5:00PM Jan 22, 2021Observed: 5905.36 ft at 5:15PM Jan 22, 2021Observed: 5905.36 ft at 5:30PM Jan 22, 2021Observed: 5905.36 ft at 5:45PM Jan 22, 2021Observed: 5905.36 ft at 6:00PM Jan 22, 2021Observed: 5905.36 ft at 6:15PM Jan 22, 2021Observed: 5905.36 ft at 6:30PM Jan 22, 2021Highest Observation: 5905.37 ft at 6:45PM Jan 22, 2021Observed: 5905.36 ft at 7:00PM Jan 22, 2021Highest Observation: 5905.37 ft at 7:15PM Jan 22, 2021Highest Observation: 5905.37 ft at 7:30PM Jan 22, 2021Observed: 5905.36 ft at 7:45PM Jan 22, 2021Observed: 5905.36 ft at 8:00PM Jan 22, 2021Observed: 5905.36 ft at 8:15PM Jan 22, 2021Observed: 5905.36 ft at 8:30PM Jan 22, 2021Observed: 5905.36 ft at 8:45PM Jan 22, 2021Observed: 5905.36 ft at 9:00PM Jan 22, 2021Observed: 5905.36 ft at 9:15PM Jan 22, 2021Observed: 5905.36 ft at 9:30PM Jan 22, 2021Observed: 5905.36 ft at 9:45PM Jan 22, 2021Observed: 5905.36 ft at 10:00PM Jan 22, 2021Observed: 5905.36 ft at 10:15PM Jan 22, 2021Observed: 5905.36 ft at 10:30PM Jan 22, 2021Observed: 5905.36 ft at 10:45PM Jan 22, 2021Observed: 5905.36 ft at 11:00PM Jan 22, 2021Observed: 5905.36 ft at 11:15PM Jan 22, 2021Observed: 5905.36 ft at 11:30PM Jan 22, 2021Observed: 5905.36 ft at 11:45PM Jan 22, 2021Observed: 5905.36 ft at 12:00AM Jan 23, 2021Observed: 5905.36 ft at 12:15AM Jan 23, 2021Observed: 5905.36 ft at 12:30AM Jan 23, 2021Observed: 5905.36 ft at 12:45AM Jan 23, 2021Observed: 5905.36 ft at 1:00AM Jan 23, 2021Observed: 5905.36 ft at 1:15AM Jan 23, 2021Observed: 5905.36 ft at 1:30AM Jan 23, 2021Observed: 5905.36 ft at 1:45AM Jan 23, 2021Observed: 5905.36 ft at 2:00AM Jan 23, 2021Observed: 5905.36 ft at 2:15AM Jan 23, 2021Observed: 5905.36 ft at 2:30AM Jan 23, 2021Observed: 5905.36 ft at 2:45AM Jan 23, 2021Observed: 5905.36 ft at 3:00AM Jan 23, 2021Observed: 5905.36 ft at 3:15AM Jan 23, 2021Observed: 5905.36 ft at 3:30AM Jan 23, 2021Observed: 5905.36 ft at 3:45AM Jan 23, 2021Observed: 5905.36 ft at 4:00AM Jan 23, 2021Observed: 5905.36 ft at 4:15AM Jan 23, 2021Observed: 5905.36 ft at 4:30AM Jan 23, 2021Observed: 5905.36 ft at 4:45AM Jan 23, 2021Observed: 5905.36 ft at 5:00AM Jan 23, 2021Observed: 5905.36 ft at 5:15AM Jan 23, 2021Observed: 5905.36 ft at 5:30AM Jan 23, 2021Observed: 5905.36 ft at 5:45AM Jan 23, 2021Observed: 5905.36 ft at 6:00AM Jan 23, 2021Observed: 5905.36 ft at 6:15AM Jan 23, 2021Observed: 5905.36 ft at 6:30AM Jan 23, 2021Observed: 5905.36 ft at 6:45AM Jan 23, 2021Observed: 5905.36 ft at 7:00AM Jan 23, 2021Observed: 5905.36 ft at 7:15AM Jan 23, 2021Observed: 5905.36 ft at 7:30AM Jan 23, 2021Observed: 5905.36 ft at 7:45AM Jan 23, 2021Observed: 5905.36 ft at 8:00AM Jan 23, 2021Observed: 5905.36 ft at 8:15AM Jan 23, 2021Observed: 5905.36 ft at 8:30AM Jan 23, 2021Observed: 5905.36 ft at 8:45AM Jan 23, 2021Observed: 5905.36 ft at 9:00AM Jan 23, 2021Observed: 5905.36 ft at 9:15AM Jan 23, 2021Observed: 5905.36 ft at 9:30AM Jan 23, 2021Observed: 5905.36 ft at 9:45AM Jan 23, 2021Observed: 5905.36 ft at 10:00AM Jan 23, 2021Bureau of ReclamationDRFS2(plotting HPIRG) Graph Created (10:53AM Jan 23, 2021)ObservedLatest observed value: 5905.36 ft at 10:00 AM MST 23-Jan-2021.
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: USGS operates this gage on a seasonal basis. No data are available during winter months.

NOTE: Forecasts are not available for the South Canyon near Rapid City. Only observed stages are available for this point.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 7
Moderate Flood Stage: 6.5
Flood Stage: 6
Action Stage: 4.5
Low Stage (in feet): -9999

Historic Crests
(1) 5.12 ft on 07/21/2018
(2) 4.96 ft on 05/28/2019
(3) 4.70 ft on 08/17/2007
(4) 4.64 ft on 07/15/2001
(5) 4.49 ft on 06/18/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.96 ft on 05/28/2019
(2) 5.12 ft on 07/21/2018
(3) 4.20 ft on 08/14/2017
(4) 4.21 ft on 07/18/2016
(5) 4.12 ft on 06/01/2015
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
7 Major flood stage. Extensive flooding along Nemo Road and Echo Drive.
6.5 Moderate flood stage. Some innundation of structures are possible. Flooding on Nemo Road and Echo Drive.
6 Minor flood stage. Culverts above the gage along Nemo Road are filled with water and water runs over Echo Drive and Nemo Road.
5.5 Water runs through yards and driveways.
4.5 Action stage. Low lying areas along the creek and road begin to flood.
Photos
(1) Gage site
About This Location Collapse

Latitude: 44.092778° N, Longitude: 103.326944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 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 3704.29 3710.29 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
Rapid City Weather Forecast Office
300 East Signal Drive
Rapid City, SD 57701-3800
(605) 341-7531
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