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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 North Fork Stillaguamish River near Arlington are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Arlington
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 14
Flood Stage: 13
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 15.59 ft on 12/12/2010
(2) 15.20 ft on 11/24/1990
(3) 15.12 ft on 01/08/2009
(4) 15.07 ft on 11/17/2015 (P)
(5) 14.84 ft on 02/08/1996
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(P): Preliminary values subject to further review.

Recent Crests
(1) 14.51 ft on 11/22/2017 (P)
(2) 15.07 ft on 11/17/2015 (P)
(3) 14.79 ft on 11/13/2015 (P)
(4) 12.90 ft on 01/05/2015 (P)
(5) 12.90 ft on 11/26/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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 Collapse
If you notice any errors in the below information, please contact our Webmaster
15 the North Fork Stillaguamish River will cause extensive flooding from near Darrington downstream to the confluence with the South Fork Stillaguamish River...including Oso...Cicero...Swede Heaven and SR 530. Flood waters will also cause riverbank erosion. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the N Fork Stillaguamish River Basin. A stage of 15 feet corresponds to Phase 4 in the Snohomish County Flood Warning System.
14 the North Fork Stillaguamish River will cause flooding in the Cicero and Swede Heaven areas...Oso Loop Road...and SR 530. Flood waters will also cause riverbank erosion. A stage of 14 feet corresponds to Phase 3 in the Snohomish County Flood Warning System.
13 the North Fork Stillaguamish River will cause flooding of Oso Loop Road and cause minor riverbank erosion. A stage of 13 feet corresponds to Phase 2 in the Snohomish County Flood Warning System.

Other Real-time and/or Archive Data Sources:

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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
Seattle Weather Forecast Office
7600 Sandpoint Way NE
Seattle, WA 98115-6349
(206) 526-6087
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Page last modified: 21-Dec-2016 5:18 PM
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