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Hydrograph River at a Glance Download
Missouri River at Fort Randall Dam Pool (ft)Observed: 1359.66 ft at 12:00AM Sep 06, 2019Observed: 1359.52 ft at 12:00AM Sep 07, 2019Observed: 1359.34 ft at 12:00AM Sep 08, 2019Observed: 1359.34 ft at 12:00AM Sep 09, 2019Observed: 1359.37 ft at 12:00AM Sep 10, 2019Observed: 1359.25 ft at 12:00AM Sep 11, 2019Observed: 1359.93 ft at 12:00AM Sep 12, 2019Observed: 1362.05 ft at 12:00AM Sep 13, 2019Observed: 1362.41 ft at 12:00AM Sep 14, 2019Highest Observation: 1362.78 ft at 12:00AM Sep 15, 2019FRDS2(plotting HPIRZ) Graph Created (12:48PM Sep 15, 2019)ObservedLatest observed value: 1362.78 ft at 12:00 AM CDT 15-Sep-2019. Flood Stage is 1375 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
NOTE: Gauge reading affected by reservoir operations.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts are not available for the Missouri River at Fort Randall Dam. Only observed stages are available for this point.

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Upstream Gauge - at Chamberlain Upstream Gauge Downstream Gauge Downstream Gauge - near Greenwood
Flood Categories (in feet)
Major Flood Stage: 1395
Moderate Flood Stage: 1379
Flood Stage: 1375
Action Stage: 1373
Low Stage (in feet): -9999

Historic Crests
(1) 1,374.04 ft on 07/11/2011
(2) 1,372.17 ft on 05/07/1997
(3) 1,368.10 ft on 06/01/2010
(4) 1,367.76 ft on 06/01/1995
(5) 1,366.50 ft on 06/01/1967
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(P): Preliminary values subject to further review.

Recent Crests
(1) 1,357.69 ft on 06/21/2014
(2) 1,374.04 ft on 07/11/2011
(3) 1,368.10 ft on 06/01/2010
(4) 1,358.40 ft on 05/01/2009
(5) 1,362.10 ft on 06/01/2008
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

Zoom Level:14
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Gauge LocationGauge Map Marker
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.
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If you notice any errors in the below information, please contact our Webmaster
1395 Elevation of the top of the dam.
1379.3 Elevation at maximum spillway design discharge capacity.
1375 Maximum capacity of the reservoir. Water reaches the top of the boat ramps at North Point (Prairie Dog Bay) and South Shore.
1371 Water reaches the top of the boat ramps at Joe Day Bay and North Wheeler.
1368 Water reaches the top of the boat ramp at Whetstone Bay B.
1365 Normal maximum reservoir level. Water reaches the top of the boat ramps at South Scalp #1, Platte Creek and Pease Creek
1362 Water reaches the top of the boat ramp at White Swan.
1361 Water reaches the top of the boat ramps at North Point, North Bay and St. Francis Bay, as well as South Wheeler.
1360 The boat ramps at Randall Creek recreation area and the spillway lakeside use area below the dam are closed.
1358 Water reaches the top of the boat ramp at Whetstone Bay A.
1350 Base flood control elevation.
1346 Spillway crest elevation.
1310 Inactive storage elevation.
1227 Dead storage elevation.
(1) Upstream View
(2) Downstream View
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Latitude: 43.068056° N, Longitude: 98.554167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1375 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 1375 ft  

Current/Historical Observations:

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NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 1-Mar-2019 12:34 AM
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