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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 South Fork Boise River at Pine (near Featherville) are issued routinely year-round.
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Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 7.2
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 8.24 ft on 05/07/2017
(2) 7.87 ft on 03/30/1983
(3) 7.79 ft on 05/21/2006
(4) 7.74 ft on 05/17/1997
(5) 7.69 ft on 04/27/2012
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(P): Preliminary values subject to further review.

Recent Crests
(1) 5.19 ft on 06/13/2022
(2) 3.70 ft on 06/04/2021
(3) 4.46 ft on 05/31/2020
(4) 5.50 ft on 06/07/2019
(5) 5.06 ft on 05/26/2018
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
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
7.2 Low lying areas along the river will begin to flood from Pine Bridge upstream to Featherville. Minor flooding will impact some homes and cabins in the Lagoon Circle area. Water will threaten sections of Elk Valley Way and Redfish Lane. Campgrounds adjacent to the river will be impacted. Debris in the river such as logs and trees may begin piling up at bridge crossings.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
The South Fork of the Boise River is a major tributary of unregulated inflow into Anderson Ranch Reservoir which is upstream from Arrowrock and Lucky Peak reservoirs.
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
Boise Weather Forecast Office
NIFC Building 3807
Boise, ID 83705-5354
(208) 334-9860
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Page last modified: 2-Nov-2020 7:28 PM
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