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Weather Forecast Office Rapid City, SD

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (MST) Datum: NAVD88 Metadata

NOTE: Gauge reading may be affected by ice. NOTE: Forecasts are not available for the Elk Creek (SD) near Rapid City. Only observed stages are available for this point.

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Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 14 Moderate Flood Stage: 13 Flood Stage: 10 Action Stage: 9 Low Stage (in feet): -9999 Historic Crests (1) 14.40 ft on 06/09/1972 (2) 12.77 ft on 05/27/1996 (3) 12.71 ft on 10/11/2013 (4) 12.29 ft on 05/25/2010 (5) 12.20 ft on 03/17/1978 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 6.20 ft on 01/15/2021 (2) 5.46 ft on 12/03/2020 (3) 6.68 ft on 03/04/2020 (4) 11.61 ft on 07/05/2019 (5) 6.62 ft on 06/21/2018 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location 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

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14.4	June 1972 crest as indicated by local residents.
14	Major Flood Stage. Major flooding of pasture land. Access to homes may be cut off.
13	Moderate Flood Stage. Erosion of banks may begin to occur. Moderate flooding of pasture land. Water may cover portions of Elk Creek Road and Antelope Creek Road.
12.5	Water may begin to cover Antelope Creek Road just north of Elk Creek. It typically takes the water at least 5 hours to get to this location downstream.
12	Elk Creek Road just east of Elk Creek may begin to be covered with water. It can take 2-3 hours for the water to reach Elk Creek road downstream from the gage. Minor flooding of pasture land upstream and downstream from the gage will occur.
11	Possible flooding of yards and basements along Elk Creek in the Golden Valley Subdivision and along 220th street and Antelope Creek Road.
10	Flood Stage: Minor overflow of lower banks downstream from gage.
Photos (1) Looking upstream (2) Looking downstream (3) Another view downstream (4) Flooding - May 2008 (5) Flooding - May 2008

About This Location

Latitude: 44.240278° N, Longitude: 103.150833° W, Horizontal Datum: NAD83/WGS84 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 2943.73 2953.73 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: U.S. Geological Survey (USGS) Data and Site Info for Rapid City

Additional Information

No flow most years.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Missouri Basin River Forecast Center NOHRSC - Snow Survey Drought Monitor MADIS-HADS River Stage Data Turn Around Don't Drown Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Flood Event Archive Spring Flood Outlook

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