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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 Newaukum River near Chehalis are issued routinely year-round.
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Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 205.5
Moderate Flood Stage: 204.5
Flood Stage: 202.5
Action Stage: 200.5
Low Stage (in feet): 0

Historic Crests
(1) 205.48 ft on 02/08/1996
(2) 204.52 ft on 12/21/2019 (P)
(3) 204.14 ft on 01/07/2020 (P)
(4) 203.19 ft on 02/07/2020 (P)
(5) 13.49 ft on 01/07/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 203.19 ft on 02/07/2020 (P)
(2) 204.14 ft on 01/07/2020 (P)
(3) 204.52 ft on 12/21/2019 (P)
(4) 11.26 ft on 12/30/2017
(5) 11.67 ft on 10/22/2017 (P)
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
205.5 flood waters will inundate most roads and a majority of residential and commercial areas within the region. Swift flood waters will become deep and hazardous...especially near river channels. A stage of 13.6 feet on the Newaukum corresponds to Phase 4 in the Lewis County flood system. Flooding will occur all along the river including headwaters...forks...tributaries...and other streams within and near the Newaukum River Basin.
204.5 deep and hazardous flood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Impacted roadways and surrounding areas include SR 508...Jackson Hwy. and Tune...Rush...Sommerville...Griel...Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...Senn...Lucas Creek...Middle Fork and North Fork...Bishop...Shorey...Labree...Gish...Yates Roads. A stage of 12.7 on the Newaukum roughly corresponds to Phase 3 flood in the Lewis County flood system.
202.5 flood waters will inundate many roads and residential and commercial areas along the Newaukum River and its forks. Flooding in some areas may be deep and hazardous especially near rivers. Impacted roadways and surrounding areas include Jackson Hwy. and Tune...Rush...Sommerville...Griel...Hamilton...Tauscher...Guerrier...Kirkland...Macomber...Rice...Senn...Lucas Creek...Middle Fork and North Fork Roads. A stage of 10.5 on the Newaukum roughly corresponds to Phase 2 flood in the Lewis County flood 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
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Page last modified: 2-Nov-2020 7:27 PM
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