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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the Snake River near Alpine are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map

Upstream Gauge - near Jackson Upstream Gauge
Zoom Level:11
Flood Categories (in feet)
Not Available

Historic Crests
(1) 38,600 cfs on 06/11/1997
(2) 31,600 cfs on 06/11/1996
(3) 31,300 cfs on 06/08/2017
(4) 28,600 cfs on 06/19/1974
(5) 27,300 cfs on 06/01/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16,100 cfs on 06/06/2021
(2) 23,600 cfs on 06/07/2020
(3) 17,800 cfs on 06/08/2019
(4) 27,300 cfs on 06/01/2018
(5) 31,300 cfs on 06/08/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
KML Image
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
14.04 Record stage and flow---38,600 cfs (6/11/1997).
(1) Looking Upstream---Moderate Flow
(2) Looking Downstream---Moderate 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: 2-Nov-2020 7:28 PM
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