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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 Sandy River near Bull Run are issued routinely year-round.
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Upstream Locations Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 21.5
Moderate Flood Stage: 0
Flood Stage: 19.3
Action Stage: 18
Low Stage (in feet): -9999

Historic Crests
(1) 22.59 ft on 02/07/1996
(2) 22.30 ft on 12/22/1964
(3) 21.84 ft on 01/16/2011
(4) 21.62 ft on 01/02/2009
(5) 21.44 ft on 11/25/1999
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(P): Preliminary values subject to further review.

Recent Crests
(1) 16.84 ft on 12/07/2015
(2) 17.80 ft on 12/02/2013
(3) 21.84 ft on 01/16/2011
(4) 21.62 ft on 01/02/2009
(5) 19.30 ft on 11/07/2006
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
21.5 expect significant bank erosion, large amounts of debris in the river, and flooding of low areas along the river, especially in the lower reach of the Sandy near Troutdale.
19.3 expect areas of significant bank erosion and some minor flooding of low areas along the Sandy from Ten Eyck Road Bridge, also called Revenue Bridge downstream to Troutdale.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
10-day Forecast/Trend, Northwest River Forecast Center
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
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Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 2-Nov-2020 7:27 PM
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