Cedar River near Landsburg water level
River gauge, Cedar River, Washington, United States
Right now
Low for mid-October
Water level
- Flow
- 368 cfs
- Water temperature
- 52 °F
History
20252026
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
| Rank | Level | Date |
|---|---|---|
| 1 | 13.55 ft | December 29, 1917 |
| 2 | 10.95 ft | January 13, 1928 |
| 3 | 10.38 ft | November 24, 1990 |
| 4 | 10.30 ft | January 10, 1923 |
| 5 | 10.17 ft | December 11, 2025 |
| 6 | 9.74 ft | March 10, 1916 |
| 7 | 9.60 ft | January 22, 1919 |
| 8 | 9.20 ft | February 12, 1924 |
| 9 | 8.83 ft | February 8, 1925 |
| 10 | 8.49 ft | December 4, 1975 |
Weather at the gauge
The forecast is not available right now.
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
| Parameter | Last value | Time (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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer