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Cedar River (WA) near Landsburg

Critical Stages
3.5' - Action
5.7' - Flood
6.5' - Moderate
7.5' - Major

Latest Observation

Updated: 4:15 AM PST 12/6/25

Status: No Flooding

Stage: 1.82 ft

Flow: 0.601 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
10 AM 12/6 1.73 0.549
4 PM 12/6 1.72 0.544
10 PM 12/6 1.72 0.544
4 AM 12/7 1.72 0.544
10 AM 12/7 1.74 0.555
4 PM 12/7 1.81 0.595
10 PM 12/7 1.85 0.619
4 AM 12/8 1.85 0.619
10 AM 12/8 1.89 0.644
4 PM 12/8 2.03 0.732
10 PM 12/8 2.23 0.869
4 AM 12/9 2.39 0.986
10 AM 12/9 2.47 1.05
4 PM 12/9 2.51 1.08
10 PM 12/9 2.55 1.11
4 AM 12/10 2.61 1.16
10 AM 12/10 3.23 1.73
4 PM 12/10 3.51 2.01
10 PM 12/10 3.65 2.15
4 AM 12/11 3.78 2.28
10 AM 12/11 3.96 2.47
4 PM 12/11 4.13 2.65
10 PM 12/11 4.29 2.82
4 AM 12/12 4.43 2.97
10 AM 12/12 4.55 3.1
4 PM 12/12 4.66 3.22
10 PM 12/12 4.78 3.35
4 AM 12/13 4.9 3.48
10 AM 12/13 4.79 3.36
4 PM 12/13 4.67 3.23
10 PM 12/13 4.54 3.09
4 AM 12/14 4.42 2.96
10 AM 12/14 4.37 2.9
4 PM 12/14 4.33 2.86
10 PM 12/14 4.29 2.82
4 AM 12/15 4.27 2.8
TimeStage (ft)Flow (kcfs)
4:30 AM 12/6 1.82 0.601
4:15 AM 12/6 1.82 0.601
4:00 AM 12/6 1.81 0.595
3:45 AM 12/6 1.81 0.595
3:30 AM 12/6 1.81 0.595
3:15 AM 12/6 1.81 0.595
3:00 AM 12/6 1.81 0.595
2:45 AM 12/6 1.81 0.595
2:30 AM 12/6 1.8 0.59
2:15 AM 12/6 1.8 0.59
2:00 AM 12/6 1.8 0.59
1:45 AM 12/6 1.79 0.584
1:30 AM 12/6 1.78 0.578
1:15 AM 12/6 1.77 0.572
1:00 AM 12/6 1.78 0.578
12:45 AM 12/6 1.78 0.578
12:30 AM 12/6 1.77 0.572
12:15 AM 12/6 1.76 0.566
12:00 AM 12/6 1.75 0.561
11:45 PM 12/5 1.75 0.561
11:30 PM 12/5 1.74 0.555
11:15 PM 12/5 1.74 0.555
11:00 PM 12/5 1.74 0.555
10:45 PM 12/5 1.74 0.555
10:30 PM 12/5 1.74 0.555
10:15 PM 12/5 1.74 0.555
10:00 PM 12/5 1.74 0.555
9:45 PM 12/5 1.73 0.549
9:30 PM 12/5 1.73 0.549
9:15 PM 12/5 1.73 0.549
Hydrograph for Cedar River (WA) near Landsburg
7.5' - the Cedar River will cause severe flooding from Landsburg downstream through Maplewood. Deep and swift flood waters will inundate many roads and some residential areas, especially in Maple Valley. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near the Cedar River Basin. A stage of 7.5 feet on the Cedar River corresponds to a phase 4 flood in the King County flood system.
6.5' - the Cedar River will cause major flooding from Landsburg downstream through Maplewood. Deep and swift flood waters will inundate many roads and some residential areas, especially in Maple Valley. Flooding threatens SR-169. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near the Cedar River Basin. A stage of 6.5 feet on the Cedar River corresponds to a phase 4 flood in the King County flood system.
5.7' - the Cedar River will cause flooding from Landsburg downstream through Maplewood. Swift waters will flood roads and some residential areas, especially in Maple Valley. Flooding threatens Beyers Road. A stage of 5.7 feet on the Cedar River corresponds roughly to a phase 4 flood in the King County flood system.
5' - the Cedar River will flood low areas from Landsburg downstream through Maplewood, mainly in Dorre Don area of Maple Valley and along Jones Rd. A stage of 5.0 feet on the Cedar River corresponds roughly to a phase 3 flood in the King County flood system.
4.4' - the Cedar River will locally spill over its banks and over Jones Rd near 156th Ave SE. A stage of 4.4 feet on the Cedar River corresponds roughly to Phase 2 in the King County flood system.
DateStage (ft)
Dec 29, 1917 13.55
Jan 13, 1928 10.95
Nov 24, 1990 10.38
Jan 10, 1923 10.3
Mar 10, 1916 9.74
Jan 22, 1919 9.6
Feb 12, 1924 9.2
Feb 8, 1925 8.83
Dec 4, 1975 8.49
Jan 8, 2009 8.44
Feb 8, 2020 8.23
Dec 22, 1933 7.7
Nov 30, 1995 7.43
Feb 11, 1951 6.94
Dec 3, 1977 6.94
Feb 9, 1996 6.78
Nov 7, 2006 6.03
Nov 24, 1959 6
Jan 17, 2011 5.97
Feb 26, 1932 5.9

Data provided by the National Weather Service.