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Hydrograph River at a Glance Download
Rapid Creek at Founders Park Stage (ft)Highest Observation: 3.7 ft at 1:30AM Oct 21, 2021Highest Observation: 3.7 ft at 1:45AM Oct 21, 2021Highest Observation: 3.7 ft at 2:00AM Oct 21, 2021Highest Observation: 3.7 ft at 2:15AM Oct 21, 2021Highest Observation: 3.7 ft at 2:30AM Oct 21, 2021Highest Observation: 3.7 ft at 2:45AM Oct 21, 2021Highest Observation: 3.7 ft at 3:00AM Oct 21, 2021Observed: 3.69 ft at 3:15AM Oct 21, 2021Highest Observation: 3.7 ft at 3:30AM Oct 21, 2021Highest Observation: 3.7 ft at 3:45AM Oct 21, 2021Observed: 3.69 ft at 4:00AM Oct 21, 2021Observed: 3.69 ft at 4:15AM Oct 21, 2021Observed: 3.69 ft at 4:30AM Oct 21, 2021Highest Observation: 3.7 ft at 4:45AM Oct 21, 2021Observed: 3.69 ft at 5:00AM Oct 21, 2021Observed: 3.69 ft at 5:15AM Oct 21, 2021Highest Observation: 3.7 ft at 5:30AM Oct 21, 2021Observed: 3.69 ft at 5:45AM Oct 21, 2021Observed: 3.69 ft at 6:00AM Oct 21, 2021Highest Observation: 3.7 ft at 6:15AM Oct 21, 2021Observed: 3.69 ft at 6:30AM Oct 21, 2021Observed: 3.69 ft at 6:45AM Oct 21, 2021Observed: 3.69 ft at 7:00AM Oct 21, 2021Observed: 3.69 ft at 7:15AM Oct 21, 2021Observed: 3.69 ft at 7:30AM Oct 21, 2021Observed: 3.69 ft at 7:45AM Oct 21, 2021Observed: 3.68 ft at 8:00AM Oct 21, 2021Observed: 3.69 ft at 8:15AM Oct 21, 2021Observed: 3.69 ft at 8:30AM Oct 21, 2021Observed: 3.69 ft at 8:45AM Oct 21, 2021Observed: 3.69 ft at 9:00AM Oct 21, 2021Observed: 3.69 ft at 9:15AM Oct 21, 2021Observed: 3.68 ft at 9:30AM Oct 21, 2021Observed: 3.69 ft at 9:45AM Oct 21, 2021Observed: 3.68 ft at 10:00AM Oct 21, 2021Observed: 3.68 ft at 10:15AM Oct 21, 2021Observed: 3.69 ft at 10:30AM Oct 21, 2021Observed: 3.69 ft at 10:45AM Oct 21, 2021Observed: 3.69 ft at 11:00AM Oct 21, 2021Observed: 3.69 ft at 11:15AM Oct 21, 2021Observed: 3.69 ft at 11:30AM Oct 21, 2021Observed: 3.69 ft at 11:45AM Oct 21, 2021Observed: 3.69 ft at 12:00PM Oct 21, 2021Observed: 3.69 ft at 12:01PM Oct 21, 2021Observed: 3.69 ft at 12:15PM Oct 21, 2021Observed: 3.69 ft at 12:16PM Oct 21, 2021Observed: 3.69 ft at 12:30PM Oct 21, 2021Observed: 3.69 ft at 12:31PM Oct 21, 2021Observed: 3.69 ft at 12:45PM Oct 21, 2021Observed: 3.69 ft at 1:00PM Oct 21, 2021Observed: 3.69 ft at 1:15PM Oct 21, 2021Observed: 3.69 ft at 1:30PM Oct 21, 2021Highest Observation: 3.7 ft at 1:45PM Oct 21, 2021Highest Observation: 3.7 ft at 2:00PM Oct 21, 2021Highest Observation: 3.7 ft at 2:15PM Oct 21, 2021Highest Observation: 3.7 ft at 2:30PM Oct 21, 2021Highest Observation: 3.7 ft at 2:45PM Oct 21, 2021Highest Observation: 3.7 ft at 3:00PM Oct 21, 2021Observed: 3.69 ft at 3:15PM Oct 21, 2021Observed: 3.69 ft at 3:30PM Oct 21, 2021Observed: 3.69 ft at 3:45PM Oct 21, 2021Observed: 3.69 ft at 4:00PM Oct 21, 2021Observed: 3.69 ft at 4:15PM Oct 21, 2021Highest Observation: 3.7 ft at 4:30PM Oct 21, 2021Observed: 3.69 ft at 4:45PM Oct 21, 2021Observed: 3.69 ft at 5:00PM Oct 21, 2021Observed: 3.69 ft at 5:15PM Oct 21, 2021Observed: 3.69 ft at 5:30PM Oct 21, 2021Observed: 3.69 ft at 5:45PM Oct 21, 2021Observed: 3.69 ft at 6:00PM Oct 21, 2021Observed: 3.69 ft at 6:15PM Oct 21, 2021Observed: 3.69 ft at 6:30PM Oct 21, 2021Observed: 3.69 ft at 6:45PM Oct 21, 2021Observed: 3.68 ft at 7:00PM Oct 21, 2021Observed: 3.69 ft at 7:15PM Oct 21, 2021Observed: 3.68 ft at 7:30PM Oct 21, 2021Observed: 3.68 ft at 7:45PM Oct 21, 2021Observed: 3.68 ft at 8:00PM Oct 21, 2021Observed: 3.68 ft at 8:15PM Oct 21, 2021Observed: 3.68 ft at 8:30PM Oct 21, 2021Observed: 3.68 ft at 8:45PM Oct 21, 2021Observed: 3.68 ft at 9:00PM Oct 21, 2021Observed: 3.68 ft at 9:15PM Oct 21, 2021Observed: 3.68 ft at 9:30PM Oct 21, 2021Observed: 3.68 ft at 9:45PM Oct 21, 2021Observed: 3.67 ft at 10:00PM Oct 21, 2021Observed: 3.68 ft at 10:15PM Oct 21, 2021Observed: 3.68 ft at 10:30PM Oct 21, 2021Observed: 3.68 ft at 10:45PM Oct 21, 2021Observed: 3.68 ft at 11:00PM Oct 21, 2021Observed: 3.67 ft at 11:15PM Oct 21, 2021Observed: 3.68 ft at 11:30PM Oct 21, 2021Observed: 3.67 ft at 11:45PM Oct 21, 2021Observed: 3.68 ft at 12:00AM Oct 22, 2021Observed: 3.67 ft at 12:15AM Oct 22, 2021Observed: 3.67 ft at 12:30AM Oct 22, 2021Observed: 3.67 ft at 12:45AM Oct 22, 2021Observed: 3.67 ft at 1:00AM Oct 22, 2021Observed: 3.67 ft at 1:15AM Oct 22, 2021Observed: 3.67 ft at 1:30AM Oct 22, 2021Observed: 3.67 ft at 1:45AM Oct 22, 2021Observed: 3.67 ft at 2:00AM Oct 22, 2021Observed: 3.67 ft at 2:15AM Oct 22, 2021Observed: 3.67 ft at 2:30AM Oct 22, 2021Observed: 3.67 ft at 2:45AM Oct 22, 2021Observed: 3.67 ft at 3:00AM Oct 22, 2021Observed: 3.68 ft at 3:15AM Oct 22, 2021Observed: 3.67 ft at 3:30AM Oct 22, 2021Observed: 3.67 ft at 3:45AM Oct 22, 2021Observed: 3.67 ft at 4:00AM Oct 22, 2021Observed: 3.67 ft at 4:01AM Oct 22, 2021Observed: 3.67 ft at 4:15AM Oct 22, 2021Observed: 3.67 ft at 4:16AM Oct 22, 2021Observed: 3.67 ft at 4:30AM Oct 22, 2021Observed: 3.67 ft at 4:31AM Oct 22, 2021Observed: 3.67 ft at 4:45AM Oct 22, 2021Observed: 3.67 ft at 5:00AM Oct 22, 2021Observed: 3.67 ft at 5:15AM Oct 22, 2021Observed: 3.67 ft at 5:30AM Oct 22, 2021Observed: 3.67 ft at 5:45AM Oct 22, 2021Observed: 3.67 ft at 6:00AM Oct 22, 2021Observed: 3.67 ft at 6:15AM Oct 22, 2021Observed: 3.67 ft at 6:30AM Oct 22, 2021Observed: 3.67 ft at 6:45AM Oct 22, 2021Observed: 3.67 ft at 7:00AM Oct 22, 2021Observed: 3.67 ft at 7:15AM Oct 22, 2021Observed: 3.67 ft at 7:30AM Oct 22, 2021Observed: 3.67 ft at 7:45AM Oct 22, 2021Observed: 3.67 ft at 8:00AM Oct 22, 2021Observed: 3.67 ft at 8:15AM Oct 22, 2021Observed: 3.67 ft at 8:30AM Oct 22, 2021Observed: 3.67 ft at 8:45AM Oct 22, 2021Observed: 3.67 ft at 9:00AM Oct 22, 2021Observed: 3.67 ft at 9:15AM Oct 22, 2021Observed: 3.67 ft at 9:30AM Oct 22, 2021Observed: 3.67 ft at 9:45AM Oct 22, 2021Observed: 3.67 ft at 10:00AM Oct 22, 2021Observed: 3.68 ft at 10:15AM Oct 22, 2021Observed: 3.67 ft at 10:30AM Oct 22, 2021Observed: 3.67 ft at 10:45AM Oct 22, 2021Observed: 3.68 ft at 11:00AM Oct 22, 2021Observed: 3.67 ft at 11:15AM Oct 22, 2021Observed: 3.67 ft at 11:30AM Oct 22, 2021Observed: 3.67 ft at 11:45AM Oct 22, 2021Observed: 3.67 ft at 12:00PM Oct 22, 2021Observed: 3.67 ft at 12:15PM Oct 22, 2021Observed: 3.67 ft at 12:30PM Oct 22, 2021Observed: 3.67 ft at 12:45PM Oct 22, 2021Observed: 3.68 ft at 1:00PM Oct 22, 2021Observed: 3.67 ft at 1:15PM Oct 22, 2021Observed: 3.68 ft at 1:30PM Oct 22, 2021Observed: 3.67 ft at 1:45PM Oct 22, 2021Observed: 3.68 ft at 2:00PM Oct 22, 2021Observed: 3.68 ft at 2:15PM Oct 22, 2021Observed: 3.67 ft at 2:30PM Oct 22, 2021Observed: 3.68 ft at 2:45PM Oct 22, 2021Observed: 3.68 ft at 3:00PM Oct 22, 2021Observed: 3.68 ft at 3:15PM Oct 22, 2021Observed: 3.68 ft at 3:30PM Oct 22, 2021Observed: 3.67 ft at 3:45PM Oct 22, 2021Observed: 3.68 ft at 4:00PM Oct 22, 2021Observed: 3.68 ft at 4:15PM Oct 22, 2021Observed: 3.68 ft at 4:30PM Oct 22, 2021Observed: 3.68 ft at 4:45PM Oct 22, 2021Observed: 3.68 ft at 5:00PM Oct 22, 2021Observed: 3.68 ft at 5:15PM Oct 22, 2021Observed: 3.67 ft at 5:30PM Oct 22, 2021Observed: 3.68 ft at 5:45PM Oct 22, 2021Observed: 3.67 ft at 6:00PM Oct 22, 2021Observed: 3.67 ft at 6:15PM Oct 22, 2021Observed: 3.67 ft at 6:30PM Oct 22, 2021Observed: 3.67 ft at 6:45PM Oct 22, 2021Observed: 3.67 ft at 7:00PM Oct 22, 2021Observed: 3.67 ft at 7:15PM Oct 22, 2021Observed: 3.67 ft at 7:30PM Oct 22, 2021Observed: 3.67 ft at 7:45PM Oct 22, 2021Observed: 3.68 ft at 8:00PM Oct 22, 2021Observed: 3.68 ft at 8:01PM Oct 22, 2021Observed: 3.67 ft at 8:15PM Oct 22, 2021Observed: 3.67 ft at 8:16PM Oct 22, 2021Observed: 3.67 ft at 8:30PM Oct 22, 2021Observed: 3.67 ft at 8:31PM Oct 22, 2021Observed: 3.67 ft at 8:45PM Oct 22, 2021Observed: 3.67 ft at 9:00PM Oct 22, 2021Observed: 3.67 ft at 9:15PM Oct 22, 2021Observed: 3.67 ft at 9:30PM Oct 22, 2021Observed: 3.67 ft at 9:45PM Oct 22, 2021Observed: 3.67 ft at 10:00PM Oct 22, 2021Observed: 3.67 ft at 10:15PM Oct 22, 2021Observed: 3.67 ft at 10:30PM Oct 22, 2021Observed: 3.67 ft at 10:45PM Oct 22, 2021Observed: 3.66 ft at 11:00PM Oct 22, 2021Observed: 3.66 ft at 11:15PM Oct 22, 2021Observed: 3.66 ft at 11:30PM Oct 22, 2021Observed: 3.66 ft at 11:45PM Oct 22, 2021Observed: 3.67 ft at 12:00AM Oct 23, 2021Observed: 3.66 ft at 12:15AM Oct 23, 2021Observed: 3.66 ft at 12:30AM Oct 23, 2021Observed: 3.66 ft at 12:45AM Oct 23, 2021Observed: 3.66 ft at 1:00AM Oct 23, 2021Observed: 3.66 ft at 1:15AM Oct 23, 2021Observed: 3.66 ft at 1:30AM Oct 23, 2021Observed: 3.65 ft at 1:45AM Oct 23, 2021Observed: 3.66 ft at 2:00AM Oct 23, 2021Observed: 3.66 ft at 2:15AM Oct 23, 2021Observed: 3.66 ft at 2:30AM Oct 23, 2021Observed: 3.66 ft at 2:45AM Oct 23, 2021Observed: 3.66 ft at 3:00AM Oct 23, 2021Observed: 3.66 ft at 3:15AM Oct 23, 2021Observed: 3.66 ft at 3:30AM Oct 23, 2021Observed: 3.66 ft at 3:45AM Oct 23, 2021Observed: 3.66 ft at 4:00AM Oct 23, 2021Observed: 3.66 ft at 4:15AM Oct 23, 2021Observed: 3.66 ft at 4:30AM Oct 23, 2021Observed: 3.66 ft at 4:45AM Oct 23, 2021Observed: 3.66 ft at 5:00AM Oct 23, 2021Observed: 3.66 ft at 5:15AM Oct 23, 2021Observed: 3.66 ft at 5:30AM Oct 23, 2021Observed: 3.66 ft at 5:45AM Oct 23, 2021Observed: 3.66 ft at 6:00AM Oct 23, 2021Observed: 3.66 ft at 6:15AM Oct 23, 2021Observed: 3.66 ft at 6:30AM Oct 23, 2021Observed: 3.66 ft at 6:45AM Oct 23, 2021Observed: 3.66 ft at 7:00AM Oct 23, 2021Observed: 3.66 ft at 7:15AM Oct 23, 2021Observed: 3.66 ft at 7:30AM Oct 23, 2021Observed: 3.66 ft at 7:45AM Oct 23, 2021Observed: 3.66 ft at 8:00AM Oct 23, 2021Observed: 3.66 ft at 8:15AM Oct 23, 2021Observed: 3.66 ft at 8:30AM Oct 23, 2021Observed: 3.66 ft at 8:45AM Oct 23, 2021Observed: 3.66 ft at 9:00AM Oct 23, 2021Observed: 3.66 ft at 9:15AM Oct 23, 2021Observed: 3.66 ft at 9:30AM Oct 23, 2021Observed: 3.66 ft at 9:45AM Oct 23, 2021Observed: 3.66 ft at 10:00AM Oct 23, 2021Observed: 3.66 ft at 10:15AM Oct 23, 2021Observed: 3.66 ft at 10:30AM Oct 23, 2021Observed: 3.66 ft at 10:45AM Oct 23, 2021Observed: 3.66 ft at 11:00AM Oct 23, 2021Observed: 3.66 ft at 11:15AM Oct 23, 2021Observed: 3.66 ft at 11:30AM Oct 23, 2021Observed: 3.66 ft at 11:45AM Oct 23, 2021Observed: 3.66 ft at 12:00PM Oct 23, 2021Observed: 3.66 ft at 12:15PM Oct 23, 2021Observed: 3.66 ft at 12:16PM Oct 23, 2021Observed: 3.66 ft at 12:30PM Oct 23, 2021Observed: 3.66 ft at 12:31PM Oct 23, 2021Observed: 3.66 ft at 12:45PM Oct 23, 2021Observed: 3.66 ft at 12:46PM Oct 23, 2021Observed: 3.66 ft at 1:00PM Oct 23, 2021Observed: 3.66 ft at 1:15PM Oct 23, 2021Observed: 3.66 ft at 1:30PM Oct 23, 2021Observed: 3.66 ft at 1:45PM Oct 23, 2021Observed: 3.66 ft at 2:00PM Oct 23, 2021Observed: 3.66 ft at 2:15PM Oct 23, 2021Observed: 3.66 ft at 2:30PM Oct 23, 2021Observed: 3.66 ft at 2:45PM Oct 23, 2021Observed: 3.66 ft at 3:00PM Oct 23, 2021Observed: 3.67 ft at 3:15PM Oct 23, 2021Observed: 3.67 ft at 3:30PM Oct 23, 2021Observed: 3.67 ft at 3:45PM Oct 23, 2021Observed: 3.66 ft at 4:00PM Oct 23, 2021Observed: 3.66 ft at 4:15PM Oct 23, 2021Observed: 3.66 ft at 4:30PM Oct 23, 2021Observed: 3.66 ft at 4:45PM Oct 23, 2021Observed: 3.66 ft at 5:00PM Oct 23, 2021Observed: 3.67 ft at 5:15PM Oct 23, 2021Observed: 3.66 ft at 5:30PM Oct 23, 2021Observed: 3.66 ft at 5:45PM Oct 23, 2021Observed: 3.66 ft at 6:00PM Oct 23, 2021Observed: 3.66 ft at 6:15PM Oct 23, 2021Observed: 3.66 ft at 6:30PM Oct 23, 2021Observed: 3.66 ft at 6:45PM Oct 23, 2021Observed: 3.66 ft at 7:00PM Oct 23, 2021Observed: 3.66 ft at 7:15PM Oct 23, 2021Observed: 3.66 ft at 7:30PM Oct 23, 2021Observed: 3.66 ft at 7:45PM Oct 23, 2021Observed: 3.66 ft at 8:00PM Oct 23, 2021Observed: 3.66 ft at 8:15PM Oct 23, 2021Observed: 3.66 ft at 8:16PM Oct 23, 2021Observed: 3.67 ft at 8:30PM Oct 23, 2021Observed: 3.67 ft at 8:31PM Oct 23, 2021Observed: 3.66 ft at 8:45PM Oct 23, 2021Observed: 3.66 ft at 8:46PM Oct 23, 2021Observed: 3.67 ft at 9:00PM Oct 23, 2021Observed: 3.66 ft at 9:15PM Oct 23, 2021Observed: 3.66 ft at 9:30PM Oct 23, 2021Observed: 3.66 ft at 9:45PM Oct 23, 2021Observed: 3.66 ft at 10:00PM Oct 23, 2021Observed: 3.66 ft at 10:15PM Oct 23, 2021Observed: 3.66 ft at 10:30PM Oct 23, 2021Observed: 3.66 ft at 10:45PM Oct 23, 2021Observed: 3.66 ft at 11:00PM Oct 23, 2021Observed: 3.66 ft at 11:15PM Oct 23, 2021Observed: 3.66 ft at 11:30PM Oct 23, 2021Observed: 3.66 ft at 11:45PM Oct 23, 2021Observed: 3.66 ft at 12:00AM Oct 24, 2021Observed: 3.66 ft at 12:15AM Oct 24, 2021Observed: 3.66 ft at 12:30AM Oct 24, 2021USGS--Water Resources of the United StatesRCYS2(plotting HGIRG) Graph Created (1:23AM Oct 24, 2021)ObservedLatest observed value: 3.66 ft at 12:30 AM MDT 24-Oct-2021. Flood Stage is 11 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Rapid Creek at Founders Park. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - above Canyon Lake near Rapid City Upstream Gauge Downstream Gauge Downstream Gauge - below Hawthorne Ditch at Rapid City
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 11
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 19.66 ft on 06/09/1972
(2) 15.40 ft on 06/12/1972
(3) 14.40 ft on 05/12/1920
(4) 11.18 ft on 06/02/1997
(5) 10.55 ft on 08/22/1974
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.41 ft on 06/04/2020
(2) 6.96 ft on 05/28/2019
(3) 6.21 ft on 07/21/2018
(4) 5.05 ft on 08/14/2017
(5) 5.02 ft on 07/03/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.00 ft on 04/20/1962
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
14 Major flood stage. Extensive flooding of structures and roads throughout Rapid City.
13 Flooding of residences and businesses in and around Rapid City.
12 Moderate flood stage. Some innundation of structures and roads in and around Rapid City.
11 Flood Stage. Parks in Rapid City are flooded. Water begins to reach the bottom of the Bike Path Crossings and bottom of the bridges crossing Rapid Creek.
10 Additional flooding along the Bike Path in within the Greenway.
9 Portions of the Bike Path are flooded and water approaches the road behind the fairgrounds.
7 Action Stage. Green space south of the fairgrounds start to flood.
6.5 Flooding begins in Rapid Valley.
Photos
(1) Gage house
(2) Lower bank across from gage
(3) Looking upstream
(4) Another view upstream
(5) Looking downstream
(6) Staff gage
About This Location Collapse

Latitude: 44.085833° N, Longitude: 103.241944° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 3230.14 ft 3241.14 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:
Resources Collapse
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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