National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the Northwest River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Salt River (WY) near Etna are issued routinely year-round.

Return to Area Map

Zoom Level:11

Flood Categories (in feet)

Major Flood Stage:	0
Moderate Flood Stage:	6
Flood Stage:	5.5
Action Stage:	5
Low Stage (in feet):	-9999

Historic Crests
(1) 5.99 ft on 05/25/2011
(2) 5.96 ft on 05/30/1983
(3) 5.87 ft on 05/16/1984
(4) 5.81 ft on 05/13/2017
(5) 5.71 ft on 06/02/1986
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 2.98 ft on 05/24/2021
(2) 4.59 ft on 05/01/2020
(3) 4.36 ft on 06/09/2019
(4) 4.50 ft on 05/13/2018
(5) 5.81 ft on 05/13/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	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
6	Extensive low land flooding in northeastern and northern sections of Afton. Extensive low land flooding upstream in the towns of Freedom and Fairview. Minor flooding of farm/ranch houses upstream and downstream of gage.
5.99	Record stage---(5/26/2011).
5.71	Record flow---5,090 cfs (6/2/1986).
5.5	Flood stage. Low land flooding along Swift Creek in northeastern and northern sections of Afton. Low land flooding becomes more widespread upstream in the towns of Freedom and Fairview. Minor flooding of pastureland/ranchland.
5	Bankfull stage. Monitor high water along Swift Creek in northeastern and northern sections of Afton. Small creeks and streams are flooding in the towns of Freedom and Fairview. Minor flooding of ranchland/pastureland near Etna.
4.5	Small creeks and streams that flow through the towns of Freeedom and Fairview are at bankfull. Minor flooding along low lying areas in Freedom and Fariview is occurring.
4	Small creeks and streams that flow through the towns of Freeedom and Fairview are approaching bankfull. Minor flooding along low lying areas is possible.
3.5	Begin monitoring small creeks and streams that flow near Fairview and Freedom.
Photos (1) Looking Upstream---High Flow (near 4,500 cfs)---May 2011 (2) Looking Downstream---High Flow (near 4,500 cfs)---May 2011 (3) Looking Upstream--Low Flow (4) Looking Downstream--Low Flow

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for Etna

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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