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Chehalis River at Centralia

Critical Stages
166' - Action
168.5' - Flood
172' - Moderate
175.5' - Major

Latest Observation

Updated: 8:00 AM PST 12/6/25

Status: No Flooding

Stage: 155.43 ft

Flow: 1.66 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
10 AM 12/6 155.5 1.7
4 PM 12/6 155.61 1.77
10 PM 12/6 155.76 1.86
4 AM 12/7 155.92 1.95
10 AM 12/7 156.2 2.13
4 PM 12/7 156.45 2.3
10 PM 12/7 156.56 2.37
4 AM 12/8 156.71 2.48
10 AM 12/8 157.27 2.91
4 PM 12/8 158.49 3.98
10 PM 12/8 160.05 5.68
4 AM 12/9 161.36 7.44
10 AM 12/9 162.35 8.99
4 PM 12/9 163.18 10.4
10 PM 12/9 164.09 12.2
4 AM 12/10 164.89 13.9
10 AM 12/10 165.47 15.3
4 PM 12/10 165.87 16.2
10 PM 12/10 166.2 17.1
4 AM 12/11 166.49 17.8
10 AM 12/11 166.7 18.4
4 PM 12/11 166.97 19.1
10 PM 12/11 167.19 19.7
4 AM 12/12 167.17 19.7
10 AM 12/12 166.9 18.9
4 PM 12/12 166.55 18
10 PM 12/12 166.23 17.2
4 AM 12/13 165.95 16.4
10 AM 12/13 165.69 15.8
4 PM 12/13 165.37 15
10 PM 12/13 165.04 14.3
4 AM 12/14 164.66 13.4
10 AM 12/14 164.24 12.5
4 PM 12/14 163.78 11.6
10 PM 12/14 163.24 10.6
4 AM 12/15 162.72 9.61
10 AM 12/15 162.22 8.78
4 PM 12/15 161.84 8.16
10 PM 12/15 161.69 7.93
4 AM 12/16 161.7 7.95
TimeStage (ft)Flow (kcfs)
8:00 AM 12/6 155.43 1.66
7:45 AM 12/6 155.46 1.68
7:30 AM 12/6 155.45 1.67
7:15 AM 12/6 155.4 1.65
7:00 AM 12/6 155.42 1.66
6:45 AM 12/6 155.44 1.67
6:30 AM 12/6 155.41 1.65
6:15 AM 12/6 155.44 1.67
6:00 AM 12/6 155.43 1.66
5:45 AM 12/6 155.43 1.66
5:30 AM 12/6 155.43 1.66
5:15 AM 12/6 155.43 1.66
5:00 AM 12/6 155.43 1.66
4:45 AM 12/6 155.42 1.66
4:30 AM 12/6 155.42 1.66
4:15 AM 12/6 155.42 1.66
4:00 AM 12/6 155.42 1.66
3:45 AM 12/6 155.41 1.65
3:30 AM 12/6 155.41 1.65
3:15 AM 12/6 155.41 1.65
3:00 AM 12/6 155.4 1.65
2:45 AM 12/6 155.4 1.65
2:30 AM 12/6 155.39 1.64
2:15 AM 12/6 155.38 1.64
2:00 AM 12/6 155.38 1.64
1:45 AM 12/6 155.36 1.62
1:30 AM 12/6 155.36 1.62
1:15 AM 12/6 155.35 1.62
1:00 AM 12/6 155.33 1.61
12:45 AM 12/6 155.32 1.6
Hydrograph for Chehalis River at Centralia
176.7' - 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. This stage corresponds roughly to a Phase 4 flood in the Lewis County flood system.
175.5' - 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. This stage corresponds roughly to a Phase 3 flood in the Lewis County flood system.
173.5' - 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. This stage corresponds roughly to a Phase 2 flood in the Lewis County flood system.
172' - 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. This stage corresponds roughly to a Phase 2 flood in the Lewis County flood system.
170.5' - 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. This stage corresponds roughly to a Phase 1 flood in the Lewis County flood system.
168.5' - 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. This stage corresponds roughly to a Phase 1 flood in the Lewis County flood warning system.
166.5' - the Chehalis River in Lewis County will spill over its banks into nearby pasture lands around Chehalis and Centralia.
DateStage (ft)
Dec 4, 2007 178.1
Jan 7, 2022 174.93
Dec 4, 2007 74.78
Feb 9, 1996 74.31
Jan 10, 1990 73.5
Jan 8, 2009 72.4
Nov 25, 1986 71.99
Jan 21, 1972 71.65
Nov 25, 1990 71.3
Dec 5, 1975 71.17
Jan 26, 1971 70.2
Dec 30, 1996 70.18
Feb 11, 1990 69.91
Nov 27, 1998 69.73
Feb 25, 1999 69.6
Feb 10, 1951 69.2
Jan 16, 1974 69.1
Jan 1, 1997 68.8
Dec 17, 2001 68.77
Dec 3, 1977 68.7

Data provided by the National Weather Service.