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Cedar River near Landsburg water level

River gauge, Cedar River, Washington, United States

Directions

Right now

Low for mid-October

Water level

1.33ft Steady over the last 24 hours

Flow
368 cfs
Water temperature
52 °F
0 5 10 15 Highest onrecord 13.55 ft Minor floodstage 5.70 ft

History

History
1.41.61.8ftOct 12Oct 15Oct 19Oct 23Oct 271.41.61.8ftOct 12Oct 19Oct 27
1.01.31.51.8ftSep 19Sep 28Oct 8Oct 17Oct 271.01.31.51.8ftSep 19Oct 8Oct 27
35810ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage35810ftOct 2025Apr 2026Oct 2026Minor flood stage
35810ftJanMarMayJulSepNov202635810ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to fall to 1.26 ft by Sunday, October 25 at 11:00 PM. Issued Saturday, October 17 at 08:27 AM by NOAA National Weather Service.

What this means

Low water at Cedar River near Landsburg: the gauge reads 1.33 ft, below normal for mid-October.

That puts it 0.17 ft below the median of 1.51 ft for mid-October, based on 40 years of readings. It is 4.37 ft below the flood stage of 5.70 ft. A year ago it stood at 1.38 ft (−0.05 ft).

The level has held steady over the past 24 hours. The forecast expects the river to fall to 1.26 ft by Sunday, October 25 at 11:00 PM. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 0.99 ft – 1.45 ft.

The sensor also reports a water temperature of 52 °F.

Compared with 40 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.51 ft0.17 ft below the median for this date
Normal for this date
1.29 ft – 1.77 ft8 years in 10 fall in this range (40 years of records)
Same day last year
1.38 ft−0.05 ft
Lowest and highest in 30 days
0.99 ft – 1.45 ft
Lowest and highest in 12 months
0.99 ft – 9.49 ft
Highest on record
13.55 ftDecember 29, 1917
Forecast peak
1.31 ftSaturday, October 17 at 11:00 PM

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

For reference, flood stage is 5.70 ft.

What happens at each level

7.50 ft
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.
6.50 ft
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.
5.70 ft
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.
5.00 ft
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.
4.40 ft
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.
1.33 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
113.55 ftDecember 29, 1917
210.95 ftJanuary 13, 1928
310.38 ftNovember 24, 1990
410.30 ftJanuary 10, 1923
510.17 ftDecember 11, 2025
69.74 ftMarch 10, 1916
79.60 ftJanuary 22, 1919
89.20 ftFebruary 12, 1924
98.83 ftFebruary 8, 1925
108.49 ftDecember 4, 1975

Weather at the gauge

The forecast is not available right now.

Sunrise 07:31 AM Sunset 06:16 PM Daylight 10 hr, 45 min First quarter 48%

Map

Other gauges on the Cedar River

Gauge Level Compared with normal 24 hours Distance
Cedar River below Bear Creek near Cedar FallsRiver gauge, Cedar River 0.90 ft Very low +0.01 ft 19 mi
Cedar River near Cedar FallsRiver gauge, Cedar River 2.24 ft Low −0.01 ft 15 mi
Cedar River at Powerplant at Cedar FallsRiver gauge, Cedar River 31.45 ft Low +0.01 ft 8 mi
Cedar River at Cedar FallsRiver gauge, Cedar River 6.10 ft High ±0 8 mi
Cedar River below Diversion near LandsburgRiver gauge, Cedar River 3.12 ft Very low ±0 1.7 mi
Cedar River at RentonRiver gauge, Cedar River 8.59 ft Normal +0.02 ft 13 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Issaquah Creek near HobartRiver gauge, Issaquah Creek 3.90 ft Normal +0.02 ft 5.0 mi
Taylor Creek near SelleckRiver gauge, Taylor Creek 1.81 ft Very low +0.01 ft 5.1 mi
Green River at Purification Plant near PalmerRiver gauge, Green River 4.06 ft Normal ±0 8 mi
Canyon Creek near Cedar FallsRiver gauge, Canyon Creek 0.61 ft Low ±0 9 mi
Cedar Lake (Masonry Pool) near Cedar FallsLake, Cedar Lake (Masonry Pool) 1,517.78 ft Low −0.19 ft 10 mi
Boxley Creek near Cedar FallsRiver gauge, Boxley Creek 1.90 ft Very low ±0 10 mi
Sf Snoqualmie River at North BendRiver gauge, Sf Snoqualmie River 7.64 ft Normal +0.02 ft 10 mi

Questions and answers

How does the Cedar River near Landsburg compare with last year?

It is 0.05 ft lower than on the same day last year, when the reading was 1.38 ft.

What is flood stage for the Cedar River near Landsburg?

The official flood stage is 5.70 ft. The level is currently 4.37 ft below it.

What is a normal level for the Cedar River near Landsburg in mid-October?

The median for mid-October is 1.51 ft. In 8 years out of 10 the reading falls between 1.29 ft and 1.77 ft, based on 40 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Cedar River near Landsburg today?

On Oct 18, 2026, 01:15 AM PDT, the water level was 1.33 ft. Steady over the last 24 hours.

Is Cedar River near Landsburg rising or falling?

Steady over the last 24 hours. Down 0.07 ft over the last 7 days.

Is the level of Cedar River near Landsburg normal?

Low for mid-October. Compared with 40 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:12117500 (Agency page)
Coordinates
47.39369, -121.95454 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.33 ft 2026-10-18 08:15 Provisional
Flow 368 cfs 2026-10-18 08:15 Provisional
Water temperature 52 °F 2026-10-18 08:15 Provisional

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How to cite

U.S. Geological Survey: Cedar River near Landsburg (usgs:12117500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/cedar-river-near-landsburg

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.