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Hydrograph River at a Glance Download Inundation
Chehalis River at Centralia Stage (ft)Flow (kcfs)Highest Observation: 56.93 ft at 5:30AM Jan 21, 2017Observed: 56.9 ft at 6:00AM Jan 21, 2017Observed: 56.87 ft at 6:30AM Jan 21, 2017Observed: 56.83 ft at 7:00AM Jan 21, 2017Observed: 56.8 ft at 7:30AM Jan 21, 2017Observed: 56.78 ft at 8:00AM Jan 21, 2017Observed: 56.74 ft at 8:30AM Jan 21, 2017Observed: 56.7 ft at 9:00AM Jan 21, 2017Observed: 56.66 ft at 9:30AM Jan 21, 2017Observed: 56.62 ft at 10:00AM Jan 21, 2017Observed: 56.58 ft at 10:30AM Jan 21, 2017Observed: 56.54 ft at 11:00AM Jan 21, 2017Observed: 56.5 ft at 11:30AM Jan 21, 2017Observed: 56.46 ft at 12:00PM Jan 21, 2017Observed: 56.44 ft at 12:30PM Jan 21, 2017Observed: 56.4 ft at 1:00PM Jan 21, 2017Observed: 56.36 ft at 1:30PM Jan 21, 2017Observed: 56.32 ft at 2:00PM Jan 21, 2017Observed: 56.28 ft at 2:30PM Jan 21, 2017Observed: 56.24 ft at 3:00PM Jan 21, 2017Observed: 56.2 ft at 3:30PM Jan 21, 2017Observed: 56.17 ft at 4:00PM Jan 21, 2017Observed: 56.14 ft at 4:30PM Jan 21, 2017Observed: 56.1 ft at 5:00PM Jan 21, 2017Observed: 56.07 ft at 5:30PM Jan 21, 2017Observed: 56.03 ft at 6:00PM Jan 21, 2017Observed: 56 ft at 6:30PM Jan 21, 2017Observed: 55.96 ft at 7:00PM Jan 21, 2017Observed: 55.94 ft at 7:30PM Jan 21, 2017Observed: 55.91 ft at 8:00PM Jan 21, 2017Observed: 55.87 ft at 8:30PM Jan 21, 2017Observed: 55.84 ft at 9:00PM Jan 21, 2017Observed: 55.8 ft at 9:30PM Jan 21, 2017Observed: 55.78 ft at 10:00PM Jan 21, 2017Observed: 55.74 ft at 10:30PM Jan 21, 2017Observed: 55.72 ft at 11:00PM Jan 21, 2017Observed: 55.59 ft at 1:30AM Jan 22, 2017Observed: 55.56 ft at 2:00AM Jan 22, 2017Observed: 55.53 ft at 2:30AM Jan 22, 2017Observed: 55.51 ft at 3:00AM Jan 22, 2017Observed: 55.48 ft at 3:30AM Jan 22, 2017Observed: 55.46 ft at 4:00AM Jan 22, 2017Observed: 55.44 ft at 4:30AM Jan 22, 2017Observed: 55.42 ft at 5:00AM Jan 22, 2017Observed: 55.39 ft at 5:30AM Jan 22, 2017Observed: 55.36 ft at 6:00AM Jan 22, 2017Observed: 55.34 ft at 6:30AM Jan 22, 2017Observed: 55.32 ft at 7:00AM Jan 22, 2017Observed: 55.28 ft at 7:30AM Jan 22, 2017Observed: 55.26 ft at 8:00AM Jan 22, 2017Observed: 55.23 ft at 8:30AM Jan 22, 2017Observed: 55.22 ft at 9:00AM Jan 22, 2017Observed: 55.19 ft at 9:30AM Jan 22, 2017Observed: 55.17 ft at 10:00AM Jan 22, 2017Observed: 55.15 ft at 10:30AM Jan 22, 2017Observed: 55.13 ft at 11:00AM Jan 22, 2017Observed: 55.11 ft at 11:30AM Jan 22, 2017Observed: 55.08 ft at 12:00PM Jan 22, 2017Observed: 55.06 ft at 12:30PM Jan 22, 2017Observed: 55.04 ft at 1:00PM Jan 22, 2017Observed: 55.02 ft at 1:30PM Jan 22, 2017Observed: 55 ft at 2:00PM Jan 22, 2017Observed: 54.98 ft at 2:30PM Jan 22, 2017Observed: 54.96 ft at 3:00PM Jan 22, 2017Observed: 54.95 ft at 3:30PM Jan 22, 2017Observed: 54.94 ft at 4:00PM Jan 22, 2017Observed: 54.92 ft at 4:30PM Jan 22, 2017Observed: 54.9 ft at 5:00PM Jan 22, 2017Observed: 54.88 ft at 5:30PM Jan 22, 2017Observed: 54.87 ft at 6:00PM Jan 22, 2017Observed: 54.85 ft at 6:30PM Jan 22, 2017Observed: 54.83 ft at 7:00PM Jan 22, 2017Observed: 54.8 ft at 7:30PM Jan 22, 2017Observed: 54.78 ft at 8:00PM Jan 22, 2017Observed: 54.76 ft at 8:30PM Jan 22, 2017Observed: 54.75 ft at 9:00PM Jan 22, 2017Observed: 54.72 ft at 9:30PM Jan 22, 2017Observed: 54.71 ft at 10:00PM Jan 22, 2017Observed: 54.7 ft at 10:30PM Jan 22, 2017Observed: 54.68 ft at 11:00PM Jan 22, 2017Observed: 54.66 ft at 11:30PM Jan 22, 2017Observed: 54.64 ft at 12:00AM Jan 23, 2017Observed: 54.62 ft at 12:30AM Jan 23, 2017Observed: 54.6 ft at 1:00AM Jan 23, 2017Observed: 54.58 ft at 1:30AM Jan 23, 2017Observed: 54.56 ft at 2:00AM Jan 23, 2017Observed: 54.54 ft at 2:30AM Jan 23, 2017Observed: 54.52 ft at 3:00AM Jan 23, 2017Observed: 54.5 ft at 3:30AM Jan 23, 2017Observed: 54.48 ft at 4:00AM Jan 23, 2017Observed: 54.47 ft at 4:30AM Jan 23, 2017Observed: 54.46 ft at 5:00AM Jan 23, 2017Observed: 54.44 ft at 5:30AM Jan 23, 2017Observed: 54.4 ft at 6:00AM Jan 23, 2017Observed: 54.38 ft at 6:30AM Jan 23, 2017Observed: 54.36 ft at 7:00AM Jan 23, 2017Observed: 54.34 ft at 7:30AM Jan 23, 2017Observed: 54.32 ft at 8:00AM Jan 23, 2017Observed: 54.3 ft at 8:30AM Jan 23, 2017Observed: 54.29 ft at 9:00AM Jan 23, 2017Observed: 54.24 ft at 10:30AM Jan 23, 2017Observed: 54.22 ft at 11:00AM Jan 23, 2017Observed: 54.2 ft at 11:30AM Jan 23, 2017Observed: 54.19 ft at 12:00PM Jan 23, 2017Observed: 54.16 ft at 12:30PM Jan 23, 2017Observed: 54.16 ft at 1:00PM Jan 23, 2017Observed: 54.14 ft at 1:30PM Jan 23, 2017Observed: 54.12 ft at 2:00PM Jan 23, 2017Observed: 54.1 ft at 2:30PM Jan 23, 2017Observed: 54.08 ft at 3:00PM Jan 23, 2017Observed: 54.07 ft at 3:30PM Jan 23, 2017Observed: 54.04 ft at 4:00PM Jan 23, 2017Observed: 54.02 ft at 4:30PM Jan 23, 2017Observed: 54 ft at 5:00PM Jan 23, 2017Observed: 53.99 ft at 5:30PM Jan 23, 2017Observed: 53.98 ft at 6:00PM Jan 23, 2017Observed: 53.96 ft at 6:30PM Jan 23, 2017Observed: 53.94 ft at 7:00PM Jan 23, 2017Observed: 53.92 ft at 7:30PM Jan 23, 2017Observed: 53.91 ft at 8:00PM Jan 23, 2017Observed: 53.9 ft at 8:30PM Jan 23, 2017Observed: 53.88 ft at 9:00PM Jan 23, 2017Observed: 53.87 ft at 9:30PM Jan 23, 2017Observed: 53.84 ft at 10:00PM Jan 23, 2017Observed: 53.83 ft at 10:30PM Jan 23, 2017Observed: 53.82 ft at 11:00PM Jan 23, 2017Observed: 53.8 ft at 11:30PM Jan 23, 2017Observed: 53.78 ft at 12:00AM Jan 24, 2017Observed: 53.76 ft at 12:30AM Jan 24, 2017Observed: 53.75 ft at 1:00AM Jan 24, 2017Observed: 53.74 ft at 1:30AM Jan 24, 2017Observed: 53.72 ft at 2:00AM Jan 24, 2017Observed: 53.71 ft at 2:30AM Jan 24, 2017Observed: 53.7 ft at 3:00AM Jan 24, 2017Observed: 53.68 ft at 3:30AM Jan 24, 2017Observed: 53.67 ft at 4:00AM Jan 24, 2017Highest Forecast: 53.41 ft 10:00AM Jan 24, 2017Forecast: 53.25 ft 4:00PM Jan 24, 2017Forecast: 53.12 ft 10:00PM Jan 24, 2017Forecast: 53.01 ft 4:00AM Jan 25, 2017Forecast: 52.92 ft 10:00AM Jan 25, 2017Forecast: 52.85 ft 4:00PM Jan 25, 2017Forecast: 52.79 ft 10:00PM Jan 25, 2017Forecast: 52.67 ft 4:00AM Jan 26, 2017Forecast: 52.57 ft 10:00AM Jan 26, 2017Forecast: 52.47 ft 4:00PM Jan 26, 2017Forecast: 52.38 ft 10:00PM Jan 26, 2017Forecast: 52.29 ft 4:00AM Jan 27, 2017Forecast: 52.2 ft 10:00AM Jan 27, 2017Forecast: 52.12 ft 4:00PM Jan 27, 2017Forecast: 52.04 ft 10:00PM Jan 27, 2017Forecast: 51.97 ft 4:00AM Jan 28, 2017Forecast: 51.9 ft 10:00AM Jan 28, 2017Forecast: 51.83 ft 4:00PM Jan 28, 2017Forecast: 51.76 ft 10:00PM Jan 28, 2017Forecast: 51.69 ft 4:00AM Jan 29, 2017CENW1(plotting HGIRP) Graph Created (5:19AM Jan 24, 2017)ObservedForecast (issued 8:16AM Jan 23)Latest observed value: 53.67 ft at 4:00 AM PST 24-Jan-2017. Flood Stage is 65 ft
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Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts for the Chehalis River at Centralia are issued routinely year-round.
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Upstream Gauge - near Doty Upstream Gauge Downstream Gauge Downstream Gauge - near Grand Mound
Flood Categories (in feet)
Major Flood Stage: 72
Moderate Flood Stage: 68.5
Flood Stage: 65
Action Stage: 61
Low Stage (in feet): -9999

Historic Crests
(1) 74.78 ft on 12/04/2007
(2) 74.31 ft on 02/09/1996
(3) 73.50 ft on 01/10/1990
(4) 72.40 ft on 01/08/2009
(5) 71.99 ft on 11/25/1986
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(P): Preliminary values subject to further review.

Recent Crests
(1) 67.86 ft on 12/10/2015 (P)
(2) 62.25 ft on 01/06/2015 (P)
(3) 62.46 ft on 02/18/2014 (P)
(4) 72.40 ft on 01/08/2009
(5) 74.78 ft on 12/04/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 47.96 ft on 08/29/2007
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Zoom Level:16
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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
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73.4 the Chehalis River in Lewis County will cause severe near record flooding...with deep and swift flood waters inundating farms...residential and business areas...and roads on both sides of I-5...including I-5 and SR 6. Much of Chehalise and Centralia will be flooded. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Chehalis River Basin. A stage of 73.4 feet corresponds to a Phase IV flood in the Lewis County flood system.
72 the Chehalis River in Lewis County will cause major flooding...inundating residential and commercial areas...farms...and many roads on both sides of I-5...including I-5 and SR 6. Flood waters will be deep and swift in some areas. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Chehalis River Basin. A stage of 72 feet corresponds to a Phase III flood in the Lewis County flood system.
70 the Chehalis River in Lewis County will cause moderate flooding including Fort Borst Park...residential and commercial areas...farms...and many roads from Chehalis to Centralia. Flood waters begin to inundate SR 6...I-5 ramps at SR 6...Main St Chehalis...and around Plummers and Hayes Lakes. Swift flood waters will cover some roads. A stage of 68 feet corresponds to a Phase II flood in the Lewis County flood system.
68.5 the Chehalis River in Lewis County will cause moderate flooding including Fort Borst Park...farms...and some residential and commercial areas...with water encroaching upon the first floor of some homes and businesses. Flooded roads include SR 6...Florida Ave...Donahue Rd...Airport Rd...Military Rd...and Nick Rd. Swift flood waters will cover some roads. A stage of 68 feet corresponds to a Phase II flood in the Lewis County flood system.
67 the Chehalis River in Lewis County will flood Riverside Golf Course...farms...and some residential areas around Florida Ave...Donahue Rd...Airport Rd...and Military Rd. Swift flood waters will cover some roads. A stage of 65 feet corresponds to a Phase I flood in the Lewis County flood system.
65 the Chehalis River in Lewis County will cause shallow flooding of farm lands and some roads. Roads include Airport Rd, Florida Ave in Chehalis and Military Rd in Centralia. A stage of 65 feet corresponds to a Phase I flood in the Lewis County flood warning system.
63 the Chehalis River in Lewis County will spill over its banks into nearby pasture lands around Chehalis and Centralia.
About This Location Collapse

Latitude: 46.711667° N, Longitude: 122.978056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 65 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 100 ft 165 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Chehalis River Basin Flood Authority's Early Warning System:
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Hydrologic Resources Additional Resources
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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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Seattle, WA 98115-6349
(206) 526-6087
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Page last modified: 21-Dec-2016 10:35 PM
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