Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Navigation Bar End Cap

  
 

This probabilistic forecast is issued by the Northwest River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Chehalis River near Doty are issued routinely year-round.
Return to Area Map

Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 324.5
Moderate Flood Stage: 323.5
Flood Stage: 318
Action Stage: 315.5
Low Flow (in CFS): 83

Historic Crests
(1) 336.26 ft on 12/03/2007
(2) 321.11 ft on 01/06/2022 (P)
(3) 319.66 ft on 12/20/2019 (P)
(4) 318.55 ft on 01/13/2021 (P)
(5) 318.46 ft on 12/05/2023 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 318.46 ft on 12/05/2023 (P)
(2) 318.11 ft on 02/28/2022 (P)
(3) 321.11 ft on 01/06/2022 (P)
(4) 318.55 ft on 01/13/2021 (P)
(5) 318.28 ft on 01/03/2021 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
324.5 deep and hazardous flood waters of the upper Chehalis and South Fork Chehalis rivers will inundate most roads and a majority of agricultural and residential areas. Many bridges will be closed and possibly damaged. This stage roughly corresponds to Phase 4 in the Lewis County flood system. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the upper Chehalis River Basin.
323.5 deep and hazardous flood waters of the upper Chehalis and South Fork Chehalis Rivers will inundate many residential and commercial areas and roadways including Hwy. 6...potentially closing schools. Other impacted roadways and surrounding areas include Curtis Hill...Lake Creek...Moon Hill...Wildwood...Beaver Creek...and King Roads in the Boisfort Valley and Labri Rd. and Front St. below Doty. This stage roughly corresponds to Phase 3 in the Lewis County flood system.
318 flood waters of the upper Chehalis and South Fork Chehalis will inundate many roads and some residential and commercial areas. Impacted roadways and surrounding areas include Curtis Hill...Lake Creek...Moon Hill...Wildwood Roads in the Boisfort Valley and Labri Rd. and Front St. below Doty. This stage roughly corresponds to just below Phase 2 in the Lewis County flood system.
316.5 flood waters of the upper Chehalis and South Fork Chehalis will spill over its banks...inundating low flood prone areas and possibly some roads below Doty and in the Boisfort Valley. This stage roughly corresponds to Phase 1 in the Lewis County flood system.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Chehalis River Basin Flood Authority's Early Warning System:http://lewiscountywa.gov/chehalis-river-basin-flood-authority
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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities