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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 Big Horn River at Basin are issued as needed during times of high water, but are not routinely available.
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Downstream Gauge Downstream Gauge - at Greybull
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 10.5
Action Stage: 9.5
Low Stage (in feet): -9999

Historic Crests
(1) 10.80 ft on 06/11/2011
(2) 10.49 ft on 06/07/1991
(3) 10.00 ft on 06/15/1997
(4) 9.73 ft on 05/29/2019
(5) 9.72 ft on 06/17/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.73 ft on 05/29/2019
(2) 9.39 ft on 06/08/2018
(3) 9.46 ft on 06/13/2017
(4) 9.65 ft on 10/04/2016
(5) 7.76 ft on 05/22/2016
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
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
11 Extensive major agricultural flooding upstream and downstream of Basin. Low lying areas along county road just east of bridge may be under water. Water begins to totally inundate boat ramp and adjacent house near boat ramp in Basin.
10.8 Record stage---(6/11/2011)
10.5 Flood stage. Widespread major agricultural flooding upstream and downstream of Basin. Water begins to encroach boat ramp and adjacent house near boat ramp in Basin.
10.49 Record flow---19,500 cfs (6/7/1991).
10 Moderate to major agricultural flooding intensifies and becomes more widespread upstream and downstream of Basin.
9.5 Bankfull stage. Minor agricultural flooding continues to expand upstream and downstream of Basin.
9 Minor agricultural flooding begins upstream and downstream of Basin.
Photos
(1) Looking Upstream---Moderate Flow
(2) Looking Downstream---Moderate Flow
(3) Looking Upstream---Low Flow
(4) Looking Downstream---Low Flow

Other Real-time and/or Archive Data Sources:

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
Riverton Weather Forecast Office
12744 West U.S. Highway 26
Riverton, WY 82501
(307) 857-3898
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Page last modified: 6-Nov-2019 2:39 PM
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