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Nisqually River at McKenna

Critical Stages
8' - Action
10' - Flood
13' - Moderate
14' - Major

Latest Observation

Updated: 9:15 AM PST 12/6/25

Status: No Flooding

Stage: 4.17 ft

Flow: 3.37 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
10 AM 12/6 3.93 3.06
4 PM 12/6 3.87 2.98
10 PM 12/6 3.82 2.92
4 AM 12/7 3.77 2.86
10 AM 12/7 3.74 2.82
4 PM 12/7 3.77 2.86
10 PM 12/7 3.8 2.89
4 AM 12/8 3.82 2.92
10 AM 12/8 4.63 3.99
4 PM 12/8 5.48 5.28
10 PM 12/8 6.37 6.8
4 AM 12/9 7.19 8.34
10 AM 12/9 7.87 9.74
4 PM 12/9 8.45 11
10 PM 12/9 8.53 11.2
4 AM 12/10 8.61 11.4
10 AM 12/10 8.68 11.5
4 PM 12/10 8.73 11.6
10 PM 12/10 8.75 11.7
4 AM 12/11 8.75 11.7
10 AM 12/11 8.72 11.6
4 PM 12/11 8.67 11.5
10 PM 12/11 8.62 11.4
4 AM 12/12 8.57 11.3
10 AM 12/12 8.52 11.2
4 PM 12/12 8.46 11
10 PM 12/12 8.39 10.9
4 AM 12/13 8.33 10.7
10 AM 12/13 8.25 10.6
4 PM 12/13 8.16 10.4
10 PM 12/13 8.06 10.1
4 AM 12/14 7.97 9.95
10 AM 12/14 7.88 9.76
4 PM 12/14 7.8 9.59
10 PM 12/14 7.74 9.46
4 AM 12/15 7.7 9.38
TimeStage (ft)Flow (kcfs)
9:15 AM 12/6 4.17 3.37
9:00 AM 12/6 4.18 3.38
8:45 AM 12/6 4.16 3.35
8:30 AM 12/6 4.17 3.37
8:15 AM 12/6 4.16 3.35
8:00 AM 12/6 4.17 3.37
7:45 AM 12/6 4.16 3.35
7:30 AM 12/6 4.17 3.37
7:15 AM 12/6 4.17 3.37
7:00 AM 12/6 4.16 3.35
6:45 AM 12/6 4.18 3.38
6:30 AM 12/6 4.16 3.35
6:15 AM 12/6 4.17 3.37
6:00 AM 12/6 4.17 3.37
5:45 AM 12/6 4.19 3.39
5:30 AM 12/6 4.18 3.38
5:15 AM 12/6 4.17 3.37
5:00 AM 12/6 4.18 3.38
4:45 AM 12/6 4.18 3.38
4:30 AM 12/6 4.18 3.38
4:15 AM 12/6 4.18 3.38
4:00 AM 12/6 4.17 3.37
3:45 AM 12/6 4.16 3.35
3:30 AM 12/6 4.18 3.38
3:15 AM 12/6 4.17 3.37
3:00 AM 12/6 4.16 3.35
2:45 AM 12/6 4.16 3.35
2:30 AM 12/6 4.16 3.35
2:15 AM 12/6 4.17 3.37
2:00 AM 12/6 4.17 3.37
Hydrograph for Nisqually River at McKenna
16' - the Nisqually River will cause severe near record flooding from La Grande downstream through McKenna to the mouth. Deep and swift flood waters will inundate roads...farms...and residential areas...including the nursing home in McKenna. Erosion will likely cause severe damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Nisqually River Basin.
14' - the Nisqually River will cause major flooding from La Grande downstream through McKenna to the mouth. Deep and swift waters will flood roads...farms...and residential areas...including the nursing home in McKenna. Erosion may cause severe damage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Nisqually River Basin.
13' - the Nisqually River will flood from La Grande downstream through McKenna to the mouth. Swift waters will flood roads...farms...and some residential areas including the nursing home in McKenna. Erosion will likely damage properties along river banks.
12' - the Nisqually River will flood from La Grande downstream through McKenna to the mouth. Flood waters will flow over some roads and through farms and residential areas. Erosion may damage some properties. High tidal levels on Puget Sound will cause flooding along the lower reaches...threatening homes along Riverside Drive...Cononie Street and Conine Avenue.
10' - the Nisqually River will flood at the lower end near the mouth. High tide levels on Puget Sound may increase the amount of flooding. The Nisqually River will also spill over its banks between La Grande and McKenna.
DateStage (ft)
Feb 8, 1996 17.13
Jan 29, 1965 13
Nov 30, 1995 12.48
Dec 26, 1980 12.39
Dec 12, 1955 12.38
Feb 7, 2020 12.09
Nov 23, 1959 11.78
Jan 10, 1990 11.31
Feb 11, 1951 11.3
Apr 5, 1991 11.14
Dec 10, 1953 11.04
Feb 19, 1982 10.84
Jan 31, 2003 10.58
Jan 1, 1997 10.52
Jan 8, 2009 10.47
Dec 9, 2015 10.35
Feb 22, 1961 10.32
Dec 2, 1977 10.27
Jan 11, 2006 10.26
Jan 24, 1959 10.2

Data provided by the National Weather Service.