National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

Weather Forecast Office Riverton, WY

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (MDT)

Datum: NGVD29

Metadata

Reliability of the Forecast: Based on unobstructed flow

NOTE: Forecasts for the Yellowstone River at Fishing Bridge are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	11
Moderate Flood Stage:	10
Flood Stage:	9
Action Stage:	8
Low Stage (in feet):	-9999

Historic Crests
(1) 9,950 cfs on 06/18/1997
(2) 9,560 cfs on 07/11/2011
(3) 9,170 cfs on 06/28/1974
(4) 8,770 cfs on 06/28/1996
(5) 8,250 cfs on 06/28/1971
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5,690 cfs on 06/09/2020
(2) 4,760 cfs on 06/20/2019
(3) 7,070 cfs on 06/21/2018
(4) 7,430 cfs on 06/28/2017
(5) 3,540 cfs on 06/15/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

Zoom Level:9

	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

If you notice any errors in the below information, please contact our Webmaster
10	All of walkway past wooden bridge is under water. Water level is at base of small wooden bridge.
9	Flood stage. One half or more of walkway under water.
8.9	Record stage and flow---9,950 cfs (6/18/1997).
8	Bankfull stage. One half of farthest northeast end of walkway under water.
7	Water begins to encroach lowest lying parts of walkway. (west end of Fishing Bridge to Yellowstone River.)
Photos (1) Looking Upstream---High Flow (near 9,400 cfs)---July 2011 (2) Looking Downstream---High Flow (near 9,400 cfs)---July 2011 (3) Looking Upstream---Low Flow (4) Looking Downstream---Low Flow

About This Location

Latitude: 44.567580° N, Longitude: 110.381000° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	9 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	Not Available	Not Available	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	7727.77 ft	7736.77 ft	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 Fishing Bridge

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

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: 2-Nov-2020 7:28 PM

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