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This probabilistic forecast is issued by the Colorado Basin River Forecast Center.
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About this graph
Forecasts for the New Fork River near Big Piney are issued routinely year-round.
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Zoom Level:12
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 8.5
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 8.30 ft on 06/19/2017
(2) 8.28 ft on 06/07/1986
(3) 8.15 ft on 06/10/1972
(4) 7.84 ft on 06/27/1965
(5) 7.60 ft on 06/11/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.45 ft on 06/08/2020
(2) 7.03 ft on 06/09/2019
(3) 6.74 ft on 06/20/2018
(4) 6.40 ft on 06/02/2018
(5) 8.30 ft on 06/19/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
9.5 Expect water at base of bridge upstream of gage. Sublette County Road 23-175 near bridge to 1000 feet north of bridge may be totally submerged and impassable.
8.5 Standing water on low spots of Sublette County Road 23-175 near bridge to 700-1000 ft north of bridge. Major amd widespread low land pasture and agricultural flooding.
8.3 Record stage and flow---9,400 cfs (6/19/2017).
8 Flood stage. Low land pasture and agricultural flooding intensifies and becomes more widespread.
7 Bankfull stage. Minor lowland and pasture flooding.
Photos
(1) Looking Upstream---High Flows (near 9,000 cfs)---early June 2017
(2) Looking Downstream---High Flows (near 9,000 cfs)---early June 2017
(3) High Water nr Sublette Cty Rd 23-175 (near 9,000 cfs/river stages > 8.0')---early June 2017
(4) Looking Upstream---Moderate Flow
(5) Looking Downstream---Moderate Flow
(6) Looking Upstream---Low Flow
(7) 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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