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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 Issaquah Creek near Issaquah are issued routinely year-round.
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Zoom Level:16
Flood Categories (in KCFS)
Major Flood Flow: 2.8
Moderate Flood Flow: 2.3
Flood Flow: 2
Action Flow: 1.34
Low Stage (in feet): 0

Historic Crests
(1) 3,200 cfs on 01/09/1990
(2) 3,100 cfs on 11/24/1986
(3) 2,870 cfs on 12/03/1975
(4) 2,450 cfs on 01/08/2009
(5) 2,420 cfs on 02/08/1996
(6) 2,410 cfs on 11/24/1990
(7) 2,330 cfs on 01/25/1984
(8) 2,300 cfs on 01/19/1986
(9) 2,260 cfs on 02/28/1972
(10) 2,160 cfs on 11/29/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 2,010 cfs on 12/09/2015 (P)
(2) 1,020 cfs on 01/05/2015
(3) 1,020 cfs on 03/06/2014
(4) 833 cfs on 01/30/2013
(5) 1,240 cfs on 01/30/2012
(6) 2,060 cfs on 12/12/2010
(7) 2,450 cfs on 01/08/2009
(8) 1,970 cfs on 12/03/2007
(9) 2,080 cfs on 11/06/2006
(10) 1,500 cfs on 01/11/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 10 cfs on 09/29/1994
KML Image
Gauge LocationGauge Map Marker
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
2800 Issaquah Creek will cause severe near record flooding in Issaquah valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin.
2300 Issaquah Creek will cause major flooding in most of the valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin.
2000 Issaquah Creek will flood most low areas in the valley. Swift waters will flood residential and business areas and roads including Newport Way.
1200 Issaquah Creek will spill over its banks into low flood prone areas of the valley.

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
Seattle Weather Forecast Office
7600 Sandpoint Way NE
Seattle, WA 98115-6349
(206) 526-6087
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Page last modified: 2-Nov-2020 7:27 PM
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