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This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
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About this graph
Forecasts for the White River (NE-SD) near Oacoma are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near White River Upstream Gauge
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 20
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 25.02 ft on 03/16/2011
(2) 24.87 ft on 03/19/2019
(3) 24.70 ft on 03/04/1994
(4) 24.44 ft on 03/15/2001
(5) 23.84 ft on 02/20/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.64 ft on 10/16/2021
(2) 11.53 ft on 03/22/2021
(3) 12.46 ft on 05/19/2020
(4) 17.02 ft on 03/02/2020
(5) 20.45 ft on 03/25/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
31 Water reaches Highway 47.
25 Major Flood Stage. Extensive flooding along the White River with inundation of structures and roads.
23 Moderate flooding along the south bank of the White River. Flooding of agricultural land downstream from the bridge along the north bank of the river.
22 Water reaches the bottom of the Highway 47 bridge.
20 Moderate Flood Stage. Some inundation of outbuildings, structures and roads near the White River are possible.
17.5 Minor flooding of agricultural land along the entire south bank of the White River upstream and downstream from the highway bridge.
16.5 Minor flooding of agricultural land along the White River continues.
15 Flood Stage. Minor flooding along the river. The water is in the trees along the river on the right bank.
(1) Residence near the White River at Oacoma river gage
(2) downstream view from the bridge
(3) looking downstream from the highway bridge
(4) radar gage and wire weight gage
(5) White River near Oacoma river gage
(6) Another upstream view from the Highway 47 bridge September 2022
(7) Looking upstream September 2022
(8) Looking upstream
(9) Looking upstream - left bank
(10) Looking downstream - left bank
(11) Looking downstream - right bank
(12) Another view downstream

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
How low could the river get?
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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Page last modified: 2-Nov-2020 7:28 PM
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