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 Chance of Exceeding Levels During Entire Period Weekly Chance of Exceeding Levels Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Snoqualmie River near Carnation are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	58
Moderate Flood Stage:	56
Flood Stage:	54
Action Stage:	50.7
Low Stage (in feet):	-9999

Historic Crests
(1) 62.21 ft on 01/08/2009
(2) 61.28 ft on 11/07/2006
(3) 60.70 ft on 11/24/1990
(4) 60.49 ft on 11/12/2008 (P)
(5) 60.34 ft on 02/09/1996
(6) 60.30 ft on 11/29/1995
(7) 59.93 ft on 11/13/1932
(8) 59.89 ft on 11/24/1986
(9) 59.88 ft on 02/27/1932
(10) 59.78 ft on 12/09/2015 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 57.48 ft on 12/06/2023 (P)
(2) 56.90 ft on 11/05/2022 (P)
(3) 59.14 ft on 03/02/2022 (P)
(4) 57.01 ft on 01/13/2022 (P)
(5) 54.00 ft on 01/07/2022 (P)
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
60	the Snoqualmie River will cause severe near record flooding from Fall City downstream through Carnation and Duvall. Deep and swift flood waters will inundate many farms...residential areas...and roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snoqualmie River Basin.
58	the Snoqualmie River will cause major flooding from Fall City downstream through Carnation and Duvall. Deep and swift flood waters will inundate many farms...residential areas...and roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snoqualmie River Basin.
56	the Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall...inundating much of the farm land and numerous roads.
54	the Snoqualmie River will flood much of the farm land and several roads from Fall City downstream through Carnation and Duvall.
51	the Snoqualmie River will spill over its banks from Fall City downstream through Carnation and Duvall...with shallow water over some farm land and several roads.

Other Real-time and/or Archive Data Sources:

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

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
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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