Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
Reno Gulch near Hill City Stage (ft)Flow (kcfs)Observed: 3.14 ft at 6:15PM Apr 07, 2021Observed: 3.13 ft at 6:30PM Apr 07, 2021Observed: 3.13 ft at 6:45PM Apr 07, 2021Observed: 3.13 ft at 7:00PM Apr 07, 2021Observed: 3.14 ft at 7:15PM Apr 07, 2021Observed: 3.13 ft at 7:30PM Apr 07, 2021Observed: 3.13 ft at 7:45PM Apr 07, 2021Observed: 3.13 ft at 8:00PM Apr 07, 2021Observed: 3.13 ft at 8:15PM Apr 07, 2021Observed: 3.13 ft at 8:30PM Apr 07, 2021Observed: 3.14 ft at 8:45PM Apr 07, 2021Observed: 3.14 ft at 9:00PM Apr 07, 2021Observed: 3.13 ft at 9:15PM Apr 07, 2021Observed: 3.14 ft at 9:30PM Apr 07, 2021Observed: 3.13 ft at 9:45PM Apr 07, 2021Observed: 3.14 ft at 10:00PM Apr 07, 2021Observed: 3.14 ft at 10:15PM Apr 07, 2021Observed: 3.14 ft at 10:30PM Apr 07, 2021Observed: 3.13 ft at 10:45PM Apr 07, 2021Observed: 3.13 ft at 11:00PM Apr 07, 2021Observed: 3.13 ft at 11:15PM Apr 07, 2021Observed: 3.14 ft at 11:30PM Apr 07, 2021Observed: 3.13 ft at 11:45PM Apr 07, 2021Observed: 3.13 ft at 12:00AM Apr 08, 2021Observed: 3.14 ft at 12:15AM Apr 08, 2021Observed: 3.14 ft at 12:30AM Apr 08, 2021Observed: 3.13 ft at 12:45AM Apr 08, 2021Observed: 3.14 ft at 1:00AM Apr 08, 2021Observed: 3.14 ft at 1:15AM Apr 08, 2021Observed: 3.14 ft at 1:30AM Apr 08, 2021Observed: 3.14 ft at 1:31AM Apr 08, 2021Observed: 3.13 ft at 1:45AM Apr 08, 2021Observed: 3.13 ft at 1:46AM Apr 08, 2021Observed: 3.13 ft at 2:00AM Apr 08, 2021Observed: 3.13 ft at 2:01AM Apr 08, 2021Observed: 3.14 ft at 2:15AM Apr 08, 2021Observed: 3.13 ft at 2:30AM Apr 08, 2021Observed: 3.13 ft at 2:45AM Apr 08, 2021Observed: 3.14 ft at 3:00AM Apr 08, 2021Observed: 3.13 ft at 3:15AM Apr 08, 2021Observed: 3.13 ft at 3:30AM Apr 08, 2021Observed: 3.13 ft at 3:45AM Apr 08, 2021Observed: 3.14 ft at 4:00AM Apr 08, 2021Observed: 3.14 ft at 4:15AM Apr 08, 2021Observed: 3.13 ft at 4:30AM Apr 08, 2021Observed: 3.14 ft at 4:45AM Apr 08, 2021Observed: 3.14 ft at 5:00AM Apr 08, 2021Observed: 3.13 ft at 5:15AM Apr 08, 2021Observed: 3.14 ft at 5:30AM Apr 08, 2021Observed: 3.14 ft at 5:45AM Apr 08, 2021Observed: 3.13 ft at 6:00AM Apr 08, 2021Observed: 3.13 ft at 6:15AM Apr 08, 2021Observed: 3.13 ft at 6:30AM Apr 08, 2021Observed: 3.13 ft at 6:45AM Apr 08, 2021Observed: 3.14 ft at 7:00AM Apr 08, 2021Observed: 3.13 ft at 7:15AM Apr 08, 2021Observed: 3.13 ft at 7:30AM Apr 08, 2021Observed: 3.14 ft at 7:45AM Apr 08, 2021Observed: 3.13 ft at 8:00AM Apr 08, 2021Observed: 3.14 ft at 8:15AM Apr 08, 2021Observed: 3.13 ft at 8:30AM Apr 08, 2021Observed: 3.14 ft at 8:45AM Apr 08, 2021Observed: 3.14 ft at 9:00AM Apr 08, 2021Observed: 3.14 ft at 9:15AM Apr 08, 2021Observed: 3.13 ft at 9:30AM Apr 08, 2021Observed: 3.14 ft at 9:45AM Apr 08, 2021Observed: 3.13 ft at 10:00AM Apr 08, 2021Observed: 3.13 ft at 10:15AM Apr 08, 2021Observed: 3.13 ft at 10:30AM Apr 08, 2021Observed: 3.13 ft at 10:45AM Apr 08, 2021Observed: 3.13 ft at 11:00AM Apr 08, 2021Observed: 3.13 ft at 11:15AM Apr 08, 2021Observed: 3.13 ft at 11:30AM Apr 08, 2021Observed: 3.13 ft at 11:45AM Apr 08, 2021Observed: 3.13 ft at 12:00PM Apr 08, 2021Observed: 3.13 ft at 12:15PM Apr 08, 2021Observed: 3.13 ft at 12:30PM Apr 08, 2021Observed: 3.13 ft at 12:45PM Apr 08, 2021Observed: 3.14 ft at 1:00PM Apr 08, 2021Observed: 3.14 ft at 1:15PM Apr 08, 2021Observed: 3.13 ft at 1:30PM Apr 08, 2021Observed: 3.13 ft at 1:45PM Apr 08, 2021Observed: 3.13 ft at 2:00PM Apr 08, 2021Observed: 3.14 ft at 2:15PM Apr 08, 2021Observed: 3.14 ft at 2:30PM Apr 08, 2021Observed: 3.14 ft at 2:45PM Apr 08, 2021Observed: 3.14 ft at 3:00PM Apr 08, 2021Observed: 3.13 ft at 3:15PM Apr 08, 2021Observed: 3.14 ft at 3:30PM Apr 08, 2021Observed: 3.12 ft at 3:45PM Apr 08, 2021Observed: 3.13 ft at 4:00PM Apr 08, 2021Observed: 3.13 ft at 4:15PM Apr 08, 2021Observed: 3.13 ft at 4:30PM Apr 08, 2021Observed: 3.14 ft at 4:45PM Apr 08, 2021Observed: 3.14 ft at 5:00PM Apr 08, 2021Observed: 3.13 ft at 5:15PM Apr 08, 2021Observed: 3.14 ft at 5:30PM Apr 08, 2021Observed: 3.14 ft at 5:31PM Apr 08, 2021Observed: 3.14 ft at 5:45PM Apr 08, 2021Observed: 3.14 ft at 5:46PM Apr 08, 2021Observed: 3.13 ft at 6:00PM Apr 08, 2021Observed: 3.13 ft at 6:01PM Apr 08, 2021Observed: 3.14 ft at 6:15PM Apr 08, 2021Observed: 3.14 ft at 6:30PM Apr 08, 2021Observed: 3.13 ft at 6:45PM Apr 08, 2021Observed: 3.13 ft at 7:00PM Apr 08, 2021Observed: 3.14 ft at 7:15PM Apr 08, 2021Observed: 3.13 ft at 7:30PM Apr 08, 2021Observed: 3.14 ft at 7:45PM Apr 08, 2021Observed: 3.13 ft at 8:00PM Apr 08, 2021Observed: 3.13 ft at 8:15PM Apr 08, 2021Observed: 3.12 ft at 8:30PM Apr 08, 2021Observed: 3.12 ft at 8:45PM Apr 08, 2021Observed: 3.12 ft at 9:00PM Apr 08, 2021Observed: 3.13 ft at 9:15PM Apr 08, 2021Observed: 3.12 ft at 9:30PM Apr 08, 2021Observed: 3.14 ft at 9:45PM Apr 08, 2021Observed: 3.13 ft at 10:00PM Apr 08, 2021Observed: 3.14 ft at 10:15PM Apr 08, 2021Observed: 3.13 ft at 10:30PM Apr 08, 2021Observed: 3.13 ft at 10:45PM Apr 08, 2021Observed: 3.13 ft at 11:00PM Apr 08, 2021Observed: 3.13 ft at 11:15PM Apr 08, 2021Observed: 3.13 ft at 11:30PM Apr 08, 2021Observed: 3.14 ft at 11:45PM Apr 08, 2021Observed: 3.14 ft at 12:00AM Apr 09, 2021Observed: 3.14 ft at 12:15AM Apr 09, 2021Observed: 3.14 ft at 12:30AM Apr 09, 2021Observed: 3.14 ft at 12:45AM Apr 09, 2021Observed: 3.15 ft at 1:00AM Apr 09, 2021Observed: 3.16 ft at 1:15AM Apr 09, 2021Observed: 3.15 ft at 1:30AM Apr 09, 2021Observed: 3.15 ft at 1:31AM Apr 09, 2021Observed: 3.16 ft at 1:45AM Apr 09, 2021Observed: 3.16 ft at 1:46AM Apr 09, 2021Observed: 3.16 ft at 2:00AM Apr 09, 2021Observed: 3.16 ft at 2:01AM Apr 09, 2021Observed: 3.15 ft at 2:15AM Apr 09, 2021Observed: 3.15 ft at 2:30AM Apr 09, 2021Observed: 3.16 ft at 2:45AM Apr 09, 2021Observed: 3.15 ft at 3:00AM Apr 09, 2021Observed: 3.15 ft at 3:15AM Apr 09, 2021Observed: 3.15 ft at 3:30AM Apr 09, 2021Observed: 3.16 ft at 3:45AM Apr 09, 2021Observed: 3.15 ft at 4:00AM Apr 09, 2021Observed: 3.16 ft at 4:15AM Apr 09, 2021Observed: 3.15 ft at 4:30AM Apr 09, 2021Highest Observation: 3.17 ft at 4:45AM Apr 09, 2021Observed: 3.15 ft at 5:00AM Apr 09, 2021Observed: 3.16 ft at 5:15AM Apr 09, 2021Observed: 3.16 ft at 5:30AM Apr 09, 2021Observed: 3.16 ft at 5:45AM Apr 09, 2021Observed: 3.16 ft at 6:00AM Apr 09, 2021Observed: 3.15 ft at 6:15AM Apr 09, 2021Observed: 3.16 ft at 6:30AM Apr 09, 2021Observed: 3.16 ft at 6:45AM Apr 09, 2021Observed: 3.15 ft at 7:00AM Apr 09, 2021Observed: 3.15 ft at 7:15AM Apr 09, 2021Observed: 3.15 ft at 7:30AM Apr 09, 2021Observed: 3.15 ft at 7:45AM Apr 09, 2021Observed: 3.16 ft at 8:00AM Apr 09, 2021Observed: 3.15 ft at 8:15AM Apr 09, 2021Observed: 3.15 ft at 8:30AM Apr 09, 2021Observed: 3.16 ft at 8:45AM Apr 09, 2021Observed: 3.15 ft at 9:00AM Apr 09, 2021Observed: 3.13 ft at 9:15AM Apr 09, 2021Observed: 3.15 ft at 9:30AM Apr 09, 2021Observed: 3.15 ft at 9:45AM Apr 09, 2021Observed: 3.16 ft at 10:00AM Apr 09, 2021Observed: 3.14 ft at 10:15AM Apr 09, 2021Observed: 3.15 ft at 10:30AM Apr 09, 2021Observed: 3.15 ft at 10:45AM Apr 09, 2021Observed: 3.15 ft at 11:00AM Apr 09, 2021Observed: 3.14 ft at 11:15AM Apr 09, 2021Observed: 3.15 ft at 11:30AM Apr 09, 2021Observed: 3.15 ft at 11:45AM Apr 09, 2021Observed: 3.14 ft at 12:00PM Apr 09, 2021Observed: 3.14 ft at 12:15PM Apr 09, 2021Observed: 3.14 ft at 12:30PM Apr 09, 2021Observed: 3.14 ft at 12:45PM Apr 09, 2021Observed: 3.14 ft at 1:00PM Apr 09, 2021Observed: 3.14 ft at 1:15PM Apr 09, 2021Observed: 3.14 ft at 1:30PM Apr 09, 2021Observed: 3.14 ft at 1:45PM Apr 09, 2021Observed: 3.14 ft at 2:00PM Apr 09, 2021Observed: 3.14 ft at 2:15PM Apr 09, 2021Observed: 3.14 ft at 2:30PM Apr 09, 2021Observed: 3.14 ft at 2:45PM Apr 09, 2021Observed: 3.13 ft at 3:00PM Apr 09, 2021Observed: 3.14 ft at 3:15PM Apr 09, 2021Observed: 3.14 ft at 3:30PM Apr 09, 2021Observed: 3.14 ft at 3:45PM Apr 09, 2021Observed: 3.14 ft at 4:00PM Apr 09, 2021Observed: 3.13 ft at 4:15PM Apr 09, 2021Observed: 3.13 ft at 4:30PM Apr 09, 2021Observed: 3.14 ft at 4:45PM Apr 09, 2021Observed: 3.13 ft at 5:00PM Apr 09, 2021Observed: 3.13 ft at 5:15PM Apr 09, 2021Observed: 3.13 ft at 5:30PM Apr 09, 2021Observed: 3.14 ft at 5:45PM Apr 09, 2021Observed: 3.13 ft at 6:00PM Apr 09, 2021Observed: 3.13 ft at 6:15PM Apr 09, 2021Observed: 3.13 ft at 6:30PM Apr 09, 2021Observed: 3.13 ft at 6:45PM Apr 09, 2021Observed: 3.13 ft at 7:00PM Apr 09, 2021Observed: 3.13 ft at 7:15PM Apr 09, 2021Observed: 3.13 ft at 7:30PM Apr 09, 2021Observed: 3.13 ft at 7:45PM Apr 09, 2021Observed: 3.13 ft at 8:00PM Apr 09, 2021Observed: 3.13 ft at 8:15PM Apr 09, 2021Observed: 3.13 ft at 8:30PM Apr 09, 2021Observed: 3.13 ft at 8:45PM Apr 09, 2021Observed: 3.12 ft at 9:00PM Apr 09, 2021Observed: 3.13 ft at 9:15PM Apr 09, 2021Observed: 3.13 ft at 9:30PM Apr 09, 2021Observed: 3.13 ft at 9:45PM Apr 09, 2021Observed: 3.13 ft at 10:00PM Apr 09, 2021Observed: 3.12 ft at 10:15PM Apr 09, 2021Observed: 3.13 ft at 10:30PM Apr 09, 2021Observed: 3.12 ft at 10:45PM Apr 09, 2021Observed: 3.13 ft at 11:00PM Apr 09, 2021Observed: 3.13 ft at 11:15PM Apr 09, 2021Observed: 3.13 ft at 11:30PM Apr 09, 2021Observed: 3.13 ft at 11:45PM Apr 09, 2021Observed: 3.13 ft at 12:00AM Apr 10, 2021Observed: 3.13 ft at 12:15AM Apr 10, 2021Observed: 3.12 ft at 12:30AM Apr 10, 2021Observed: 3.13 ft at 12:45AM Apr 10, 2021Observed: 3.12 ft at 1:00AM Apr 10, 2021Observed: 3.13 ft at 1:15AM Apr 10, 2021Observed: 3.13 ft at 1:30AM Apr 10, 2021Observed: 3.13 ft at 1:45AM Apr 10, 2021Observed: 3.13 ft at 1:46AM Apr 10, 2021Observed: 3.12 ft at 2:00AM Apr 10, 2021Observed: 3.12 ft at 2:01AM Apr 10, 2021Observed: 3.12 ft at 2:15AM Apr 10, 2021Observed: 3.12 ft at 2:16AM Apr 10, 2021Observed: 3.12 ft at 2:30AM Apr 10, 2021Observed: 3.13 ft at 2:45AM Apr 10, 2021Observed: 3.12 ft at 3:00AM Apr 10, 2021Observed: 3.12 ft at 3:15AM Apr 10, 2021Observed: 3.13 ft at 3:30AM Apr 10, 2021Observed: 3.12 ft at 3:45AM Apr 10, 2021Observed: 3.13 ft at 4:00AM Apr 10, 2021Observed: 3.13 ft at 4:15AM Apr 10, 2021Observed: 3.13 ft at 4:30AM Apr 10, 2021Observed: 3.13 ft at 4:45AM Apr 10, 2021Observed: 3.13 ft at 5:00AM Apr 10, 2021Observed: 3.13 ft at 5:15AM Apr 10, 2021Observed: 3.13 ft at 5:30AM Apr 10, 2021Observed: 3.13 ft at 5:45AM Apr 10, 2021Observed: 3.13 ft at 6:00AM Apr 10, 2021Observed: 3.12 ft at 6:15AM Apr 10, 2021Observed: 3.13 ft at 6:30AM Apr 10, 2021Observed: 3.13 ft at 6:45AM Apr 10, 2021Observed: 3.13 ft at 7:00AM Apr 10, 2021Observed: 3.12 ft at 7:15AM Apr 10, 2021Observed: 3.13 ft at 7:30AM Apr 10, 2021Observed: 3.13 ft at 7:45AM Apr 10, 2021Observed: 3.13 ft at 8:00AM Apr 10, 2021Observed: 3.13 ft at 8:15AM Apr 10, 2021Observed: 3.13 ft at 8:30AM Apr 10, 2021Observed: 3.13 ft at 8:45AM Apr 10, 2021Observed: 3.13 ft at 9:00AM Apr 10, 2021Observed: 3.13 ft at 9:15AM Apr 10, 2021Observed: 3.13 ft at 9:30AM Apr 10, 2021Observed: 3.14 ft at 9:45AM Apr 10, 2021Observed: 3.14 ft at 9:46AM Apr 10, 2021Observed: 3.14 ft at 10:00AM Apr 10, 2021Observed: 3.14 ft at 10:01AM Apr 10, 2021Observed: 3.13 ft at 10:15AM Apr 10, 2021Observed: 3.13 ft at 10:16AM Apr 10, 2021Observed: 3.13 ft at 10:30AM Apr 10, 2021Observed: 3.13 ft at 10:45AM Apr 10, 2021Observed: 3.13 ft at 11:00AM Apr 10, 2021Observed: 3.13 ft at 11:15AM Apr 10, 2021Observed: 3.13 ft at 11:30AM Apr 10, 2021Observed: 3.13 ft at 11:45AM Apr 10, 2021Observed: 3.13 ft at 12:00PM Apr 10, 2021Observed: 3.13 ft at 12:15PM Apr 10, 2021Observed: 3.13 ft at 12:30PM Apr 10, 2021Observed: 3.13 ft at 12:45PM Apr 10, 2021Observed: 3.14 ft at 1:00PM Apr 10, 2021Observed: 3.13 ft at 1:15PM Apr 10, 2021Observed: 3.13 ft at 1:30PM Apr 10, 2021Observed: 3.13 ft at 1:45PM Apr 10, 2021Observed: 3.14 ft at 2:00PM Apr 10, 2021Observed: 3.14 ft at 2:15PM Apr 10, 2021Observed: 3.13 ft at 2:30PM Apr 10, 2021Observed: 3.13 ft at 2:45PM Apr 10, 2021Observed: 3.13 ft at 3:00PM Apr 10, 2021Observed: 3.14 ft at 3:15PM Apr 10, 2021Observed: 3.13 ft at 3:30PM Apr 10, 2021Observed: 3.13 ft at 3:45PM Apr 10, 2021Observed: 3.13 ft at 4:00PM Apr 10, 2021Observed: 3.13 ft at 4:15PM Apr 10, 2021Observed: 3.13 ft at 4:30PM Apr 10, 2021Observed: 3.13 ft at 4:45PM Apr 10, 2021Observed: 3.14 ft at 5:00PM Apr 10, 2021USGS--Water Resources of the United StatesRDWS2(plotting HGIRG) Graph Created (6:09PM Apr 10, 2021)ObservedLatest observed value: 3.14 ft at 5:00 PM MDT 10-Apr-2021. Flood Stage is 12 ft
About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Reno Gulch near Hill City. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 7
Flood Stage: 6
Action Stage: 4.75
Low Stage (in feet): -9999

Historic Crests
(1) 6.32 ft on 05/26/2015
(2) 5.84 ft on 06/18/1998
(3) 5.34 ft on 05/28/2019
(4) 4.72 ft on 07/06/2011
(5) 4.54 ft on 07/13/1999
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.09 ft on 05/02/2020
(2) 5.34 ft on 05/28/2019
(3) 4.49 ft on 07/21/2018
(4) 3.70 ft on 04/03/2017
(5) -9,999.00 ft on 01/01/2016
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
8 Major Flood Stage. Residences close to the river may flood.
7 Moderate Flood Stage. Water begins to approach Pennington County Road T317.
6 Minor Flood Stage. Minor flooding of driveways which cross the river.
5 Bankfull Stage. Overflows banks.
4.75 Action Stage.
Photos
(1) Gage site
(2) Looking upstream
(3) Another view upstream
(4) Looking downstream
About This Location Collapse

Latitude: 43.909722° N, Longitude: 103.611944° W, Horizontal Datum: NAD27

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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 5350 ft 5356 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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:28 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities