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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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Hydrograph River at a Glance Download
Rapid Creek at Founders Park Stage (ft)Observed: 3.8 ft at 7:45PM Sep 20, 2023Observed: 3.81 ft at 8:00PM Sep 20, 2023Observed: 3.81 ft at 8:15PM Sep 20, 2023Observed: 3.81 ft at 8:30PM Sep 20, 2023Observed: 3.81 ft at 8:45PM Sep 20, 2023Observed: 3.81 ft at 9:00PM Sep 20, 2023Observed: 3.81 ft at 9:15PM Sep 20, 2023Observed: 3.81 ft at 9:30PM Sep 20, 2023Observed: 3.81 ft at 9:45PM Sep 20, 2023Observed: 3.81 ft at 10:00PM Sep 20, 2023Observed: 3.8 ft at 10:15PM Sep 20, 2023Observed: 3.8 ft at 10:30PM Sep 20, 2023Observed: 3.8 ft at 10:45PM Sep 20, 2023Observed: 3.8 ft at 11:00PM Sep 20, 2023Observed: 3.79 ft at 11:15PM Sep 20, 2023Observed: 3.8 ft at 11:30PM Sep 20, 2023Observed: 3.8 ft at 11:45PM Sep 20, 2023Observed: 3.8 ft at 12:00AM Sep 21, 2023Observed: 3.8 ft at 12:15AM Sep 21, 2023Observed: 3.8 ft at 12:30AM Sep 21, 2023Observed: 3.8 ft at 12:45AM Sep 21, 2023Observed: 3.8 ft at 1:00AM Sep 21, 2023Observed: 3.79 ft at 1:15AM Sep 21, 2023Observed: 3.79 ft at 1:30AM Sep 21, 2023Observed: 3.8 ft at 1:45AM Sep 21, 2023Observed: 3.8 ft at 2:00AM Sep 21, 2023Observed: 3.79 ft at 2:15AM Sep 21, 2023Observed: 3.79 ft at 2:30AM Sep 21, 2023Observed: 3.8 ft at 2:45AM Sep 21, 2023Observed: 3.8 ft at 3:00AM Sep 21, 2023Observed: 3.79 ft at 3:15AM Sep 21, 2023Observed: 3.8 ft at 3:30AM Sep 21, 2023Observed: 3.8 ft at 3:45AM Sep 21, 2023Observed: 3.8 ft at 4:00AM Sep 21, 2023Observed: 3.81 ft at 4:15AM Sep 21, 2023Observed: 3.81 ft at 4:30AM Sep 21, 2023Observed: 3.81 ft at 4:45AM Sep 21, 2023Observed: 3.81 ft at 5:00AM Sep 21, 2023Observed: 3.8 ft at 5:15AM Sep 21, 2023Observed: 3.81 ft at 5:30AM Sep 21, 2023Observed: 3.81 ft at 5:45AM Sep 21, 2023Observed: 3.81 ft at 6:00AM Sep 21, 2023Observed: 3.81 ft at 6:15AM Sep 21, 2023Observed: 3.81 ft at 6:30AM Sep 21, 2023Observed: 3.81 ft at 6:45AM Sep 21, 2023Observed: 3.81 ft at 7:00AM Sep 21, 2023Observed: 3.81 ft at 7:15AM Sep 21, 2023Observed: 3.81 ft at 7:30AM Sep 21, 2023Observed: 3.81 ft at 7:45AM Sep 21, 2023Observed: 3.81 ft at 8:00AM Sep 21, 2023Observed: 3.81 ft at 8:15AM Sep 21, 2023Observed: 3.81 ft at 8:30AM Sep 21, 2023Observed: 3.81 ft at 8:45AM Sep 21, 2023Observed: 3.81 ft at 9:00AM Sep 21, 2023Observed: 3.8 ft at 9:15AM Sep 21, 2023Observed: 3.81 ft at 9:30AM Sep 21, 2023Observed: 3.81 ft at 9:45AM Sep 21, 2023Observed: 3.81 ft at 10:00AM Sep 21, 2023Observed: 3.81 ft at 10:15AM Sep 21, 2023Observed: 3.81 ft at 10:30AM Sep 21, 2023Observed: 3.81 ft at 10:45AM Sep 21, 2023Observed: 3.81 ft at 11:00AM Sep 21, 2023Observed: 3.81 ft at 11:15AM Sep 21, 2023Observed: 3.81 ft at 11:30AM Sep 21, 2023Observed: 3.81 ft at 11:45AM Sep 21, 2023Observed: 3.81 ft at 12:00PM Sep 21, 2023Observed: 3.81 ft at 12:15PM Sep 21, 2023Observed: 3.82 ft at 12:30PM Sep 21, 2023Observed: 3.81 ft at 12:45PM Sep 21, 2023Observed: 3.81 ft at 1:00PM Sep 21, 2023Observed: 3.81 ft at 1:15PM Sep 21, 2023Observed: 3.81 ft at 1:30PM Sep 21, 2023Observed: 3.81 ft at 1:45PM Sep 21, 2023Observed: 3.82 ft at 2:00PM Sep 21, 2023Observed: 3.82 ft at 2:15PM Sep 21, 2023Observed: 3.82 ft at 2:30PM Sep 21, 2023Observed: 3.82 ft at 2:45PM Sep 21, 2023Observed: 3.82 ft at 3:00PM Sep 21, 2023Observed: 3.82 ft at 3:15PM Sep 21, 2023Observed: 3.82 ft at 3:30PM Sep 21, 2023Observed: 3.82 ft at 3:45PM Sep 21, 2023Observed: 3.82 ft at 4:00PM Sep 21, 2023Observed: 3.81 ft at 4:15PM Sep 21, 2023Observed: 3.81 ft at 4:30PM Sep 21, 2023Observed: 3.81 ft at 4:45PM Sep 21, 2023Observed: 3.81 ft at 5:00PM Sep 21, 2023Observed: 3.81 ft at 5:15PM Sep 21, 2023Observed: 3.81 ft at 5:30PM Sep 21, 2023Observed: 3.81 ft at 5:45PM Sep 21, 2023Observed: 3.81 ft at 6:00PM Sep 21, 2023Observed: 3.81 ft at 6:15PM Sep 21, 2023Observed: 3.81 ft at 6:30PM Sep 21, 2023Observed: 3.81 ft at 6:45PM Sep 21, 2023Observed: 3.81 ft at 7:00PM Sep 21, 2023Observed: 3.81 ft at 7:15PM Sep 21, 2023Observed: 3.81 ft at 7:30PM Sep 21, 2023Observed: 3.81 ft at 7:45PM Sep 21, 2023Observed: 3.81 ft at 8:00PM Sep 21, 2023Observed: 3.81 ft at 8:15PM Sep 21, 2023Observed: 3.81 ft at 8:30PM Sep 21, 2023Observed: 3.81 ft at 8:45PM Sep 21, 2023Observed: 3.81 ft at 9:00PM Sep 21, 2023Observed: 3.81 ft at 9:15PM Sep 21, 2023Observed: 3.81 ft at 9:30PM Sep 21, 2023Observed: 3.81 ft at 9:45PM Sep 21, 2023Observed: 3.81 ft at 10:00PM Sep 21, 2023Observed: 3.8 ft at 10:15PM Sep 21, 2023Observed: 3.8 ft at 10:30PM Sep 21, 2023Observed: 3.79 ft at 10:45PM Sep 21, 2023Observed: 3.8 ft at 11:00PM Sep 21, 2023Observed: 3.79 ft at 11:15PM Sep 21, 2023Observed: 3.79 ft at 11:30PM Sep 21, 2023Observed: 3.79 ft at 11:45PM Sep 21, 2023Observed: 3.79 ft at 12:00AM Sep 22, 2023Observed: 3.79 ft at 12:15AM Sep 22, 2023Observed: 3.79 ft at 12:30AM Sep 22, 2023Observed: 3.8 ft at 12:45AM Sep 22, 2023Observed: 3.8 ft at 1:00AM Sep 22, 2023Observed: 3.8 ft at 1:15AM Sep 22, 2023Observed: 3.8 ft at 1:30AM Sep 22, 2023Observed: 3.8 ft at 1:45AM Sep 22, 2023Observed: 3.8 ft at 2:00AM Sep 22, 2023Observed: 3.8 ft at 2:15AM Sep 22, 2023Observed: 3.8 ft at 2:30AM Sep 22, 2023Observed: 3.81 ft at 2:45AM Sep 22, 2023Observed: 3.81 ft at 3:00AM Sep 22, 2023Observed: 3.81 ft at 3:15AM Sep 22, 2023Observed: 3.81 ft at 3:30AM Sep 22, 2023Observed: 3.82 ft at 3:45AM Sep 22, 2023Observed: 3.82 ft at 4:00AM Sep 22, 2023Observed: 3.82 ft at 4:15AM Sep 22, 2023Observed: 3.82 ft at 4:30AM Sep 22, 2023Observed: 3.82 ft at 4:45AM Sep 22, 2023Observed: 3.82 ft at 5:00AM Sep 22, 2023Observed: 3.82 ft at 5:15AM Sep 22, 2023Observed: 3.82 ft at 5:30AM Sep 22, 2023Observed: 3.82 ft at 5:45AM Sep 22, 2023Observed: 3.82 ft at 6:00AM Sep 22, 2023Observed: 3.82 ft at 6:15AM Sep 22, 2023Observed: 3.82 ft at 6:30AM Sep 22, 2023Observed: 3.82 ft at 6:45AM Sep 22, 2023Observed: 3.82 ft at 7:00AM Sep 22, 2023Observed: 3.82 ft at 7:15AM Sep 22, 2023Observed: 3.82 ft at 7:30AM Sep 22, 2023Observed: 3.82 ft at 7:45AM Sep 22, 2023Observed: 3.82 ft at 8:00AM Sep 22, 2023Observed: 3.82 ft at 8:15AM Sep 22, 2023Observed: 3.82 ft at 8:30AM Sep 22, 2023Observed: 3.82 ft at 8:45AM Sep 22, 2023Observed: 3.82 ft at 9:00AM Sep 22, 2023Observed: 3.82 ft at 9:15AM Sep 22, 2023Observed: 3.82 ft at 9:30AM Sep 22, 2023Observed: 3.83 ft at 9:45AM Sep 22, 2023Observed: 3.85 ft at 10:00AM Sep 22, 2023Observed: 3.9 ft at 10:15AM Sep 22, 2023Observed: 3.88 ft at 10:30AM Sep 22, 2023Highest Observation: 3.96 ft at 10:45AM Sep 22, 2023Observed: 3.94 ft at 11:00AM Sep 22, 2023Observed: 3.93 ft at 11:15AM Sep 22, 2023Observed: 3.95 ft at 11:30AM Sep 22, 2023Highest Observation: 3.96 ft at 11:45AM Sep 22, 2023Observed: 3.94 ft at 12:00PM Sep 22, 2023Observed: 3.95 ft at 12:15PM Sep 22, 2023Observed: 3.94 ft at 12:30PM Sep 22, 2023Observed: 3.94 ft at 12:45PM Sep 22, 2023Observed: 3.94 ft at 1:00PM Sep 22, 2023Observed: 3.94 ft at 1:15PM Sep 22, 2023Observed: 3.94 ft at 1:30PM Sep 22, 2023Observed: 3.93 ft at 1:45PM Sep 22, 2023Observed: 3.93 ft at 2:00PM Sep 22, 2023Observed: 3.92 ft at 2:15PM Sep 22, 2023Observed: 3.92 ft at 2:30PM Sep 22, 2023Observed: 3.91 ft at 2:45PM Sep 22, 2023Observed: 3.9 ft at 3:00PM Sep 22, 2023Observed: 3.89 ft at 3:15PM Sep 22, 2023Observed: 3.88 ft at 3:30PM Sep 22, 2023Observed: 3.88 ft at 3:45PM Sep 22, 2023Observed: 3.88 ft at 4:00PM Sep 22, 2023Observed: 3.87 ft at 4:15PM Sep 22, 2023Observed: 3.87 ft at 4:30PM Sep 22, 2023Observed: 3.89 ft at 4:45PM Sep 22, 2023Observed: 3.88 ft at 5:00PM Sep 22, 2023Observed: 3.87 ft at 5:15PM Sep 22, 2023Observed: 3.87 ft at 5:30PM Sep 22, 2023Observed: 3.87 ft at 5:45PM Sep 22, 2023Observed: 3.87 ft at 6:00PM Sep 22, 2023Observed: 3.87 ft at 6:15PM Sep 22, 2023Observed: 3.87 ft at 6:30PM Sep 22, 2023Observed: 3.88 ft at 6:45PM Sep 22, 2023Observed: 3.87 ft at 7:00PM Sep 22, 2023Observed: 3.87 ft at 7:15PM Sep 22, 2023Observed: 3.86 ft at 7:30PM Sep 22, 2023Observed: 3.86 ft at 7:45PM Sep 22, 2023Observed: 3.86 ft at 8:00PM Sep 22, 2023Observed: 3.86 ft at 8:15PM Sep 22, 2023Observed: 3.85 ft at 8:30PM Sep 22, 2023Observed: 3.86 ft at 8:45PM Sep 22, 2023Observed: 3.86 ft at 9:00PM Sep 22, 2023Observed: 3.86 ft at 9:15PM Sep 22, 2023Observed: 3.85 ft at 9:30PM Sep 22, 2023Observed: 3.85 ft at 9:45PM Sep 22, 2023Observed: 3.85 ft at 10:00PM Sep 22, 2023Observed: 3.85 ft at 10:15PM Sep 22, 2023Observed: 3.85 ft at 10:30PM Sep 22, 2023Observed: 3.84 ft at 10:45PM Sep 22, 2023Observed: 3.84 ft at 11:00PM Sep 22, 2023Observed: 3.84 ft at 11:15PM Sep 22, 2023Observed: 3.85 ft at 11:30PM Sep 22, 2023Observed: 3.84 ft at 11:45PM Sep 22, 2023Observed: 3.85 ft at 12:00AM Sep 23, 2023Observed: 3.85 ft at 12:15AM Sep 23, 2023Observed: 3.85 ft at 12:30AM Sep 23, 2023Observed: 3.85 ft at 12:45AM Sep 23, 2023Observed: 3.84 ft at 1:00AM Sep 23, 2023Observed: 3.84 ft at 1:15AM Sep 23, 2023Observed: 3.84 ft at 1:30AM Sep 23, 2023Observed: 3.85 ft at 1:45AM Sep 23, 2023Observed: 3.85 ft at 2:00AM Sep 23, 2023Observed: 3.84 ft at 2:15AM Sep 23, 2023Observed: 3.85 ft at 2:30AM Sep 23, 2023Observed: 3.85 ft at 2:45AM Sep 23, 2023Observed: 3.85 ft at 3:00AM Sep 23, 2023Observed: 3.87 ft at 3:15AM Sep 23, 2023Observed: 3.89 ft at 3:30AM Sep 23, 2023Observed: 3.88 ft at 3:45AM Sep 23, 2023Observed: 3.88 ft at 4:00AM Sep 23, 2023Observed: 3.88 ft at 4:15AM Sep 23, 2023Observed: 3.88 ft at 4:30AM Sep 23, 2023Observed: 3.87 ft at 4:45AM Sep 23, 2023Observed: 3.87 ft at 5:00AM Sep 23, 2023Observed: 3.87 ft at 5:15AM Sep 23, 2023Observed: 3.87 ft at 5:30AM Sep 23, 2023Observed: 3.87 ft at 5:45AM Sep 23, 2023Observed: 3.87 ft at 6:00AM Sep 23, 2023Observed: 3.87 ft at 6:15AM Sep 23, 2023Observed: 3.86 ft at 6:30AM Sep 23, 2023Observed: 3.86 ft at 6:45AM Sep 23, 2023Observed: 3.86 ft at 7:00AM Sep 23, 2023Observed: 3.86 ft at 7:15AM Sep 23, 2023Observed: 3.85 ft at 7:30AM Sep 23, 2023Observed: 3.85 ft at 7:45AM Sep 23, 2023Observed: 3.85 ft at 8:00AM Sep 23, 2023Observed: 3.85 ft at 8:15AM Sep 23, 2023Observed: 3.85 ft at 8:30AM Sep 23, 2023Observed: 3.85 ft at 8:45AM Sep 23, 2023Observed: 3.85 ft at 9:00AM Sep 23, 2023Observed: 3.85 ft at 9:15AM Sep 23, 2023Observed: 3.85 ft at 9:30AM Sep 23, 2023Observed: 3.85 ft at 9:45AM Sep 23, 2023Observed: 3.85 ft at 10:00AM Sep 23, 2023Observed: 3.85 ft at 10:15AM Sep 23, 2023Observed: 3.85 ft at 10:30AM Sep 23, 2023Observed: 3.85 ft at 10:45AM Sep 23, 2023Observed: 3.86 ft at 11:00AM Sep 23, 2023Observed: 3.86 ft at 11:15AM Sep 23, 2023Observed: 3.86 ft at 11:30AM Sep 23, 2023Observed: 3.86 ft at 11:45AM Sep 23, 2023Observed: 3.86 ft at 12:00PM Sep 23, 2023Observed: 3.86 ft at 12:15PM Sep 23, 2023Observed: 3.86 ft at 12:30PM Sep 23, 2023Observed: 3.85 ft at 12:45PM Sep 23, 2023Observed: 3.86 ft at 1:00PM Sep 23, 2023Observed: 3.86 ft at 1:15PM Sep 23, 2023Observed: 3.86 ft at 1:30PM Sep 23, 2023Observed: 3.86 ft at 1:45PM Sep 23, 2023Observed: 3.86 ft at 2:00PM Sep 23, 2023Observed: 3.85 ft at 2:15PM Sep 23, 2023Observed: 3.86 ft at 2:30PM Sep 23, 2023Observed: 3.86 ft at 2:45PM Sep 23, 2023Observed: 3.86 ft at 3:00PM Sep 23, 2023Observed: 3.86 ft at 3:15PM Sep 23, 2023Observed: 3.85 ft at 3:30PM Sep 23, 2023Observed: 3.85 ft at 3:45PM Sep 23, 2023Observed: 3.86 ft at 4:00PM Sep 23, 2023Observed: 3.85 ft at 4:15PM Sep 23, 2023Observed: 3.85 ft at 4:30PM Sep 23, 2023Observed: 3.85 ft at 4:45PM Sep 23, 2023Observed: 3.85 ft at 5:00PM Sep 23, 2023Observed: 3.85 ft at 5:15PM Sep 23, 2023Observed: 3.85 ft at 5:30PM Sep 23, 2023Observed: 3.85 ft at 5:45PM Sep 23, 2023Observed: 3.85 ft at 6:00PM Sep 23, 2023Observed: 3.85 ft at 6:15PM Sep 23, 2023Observed: 3.85 ft at 6:30PM Sep 23, 2023USGS--Water Resources of the United StatesRCYS2(plotting HGIRZ) Graph Created (7:38PM Sep 23, 2023)ObservedLatest observed value: 3.85 ft at 6:30 PM MDT 23-Sep-2023. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NAVD88
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) 5.34 ft on 07/23/2022
(2) 4.96 ft on 05/23/2021
(3) 5.41 ft on 06/04/2020
(4) 6.96 ft on 05/28/2019
(5) 6.21 ft on 07/21/2018
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
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 inundation 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: 44.085516° N, Longitude: 103.241389° W, Horizontal Datum: NAD83/WGS84

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 3231.68 3242.68 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:
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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