River stage
Sycamore, Johnson Creek
- River level
- 1.20 ft
- Status
- Below flood stage
- 7-day change
- +0.00 ft
- Recent high
- 1.83 ft
- Recent low
- 1.15 ft
Last reported 2026-10-13 | NWS SYCO3
- 30-day change
- -0.01 ft
- Average
- 1.22 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 15.33 ft
In brief
The Johnson Creek at Sycamore, OR read 1.20 ft on Oct 13, 2026, 8.80 ft below action stage. That is 0.01 ft lower than 30 days earlier.
Source: National Weather Service gauge SYCO3
Water 49 °F (10 °C) · 4 °F cooler than normal for this date · -1 °F in 24 hours
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 15.33 ft | 2015-12-07 |
| 2 | 15.30 ft | 1996-11-19 |
| 3 | 14.69 ft | 2009-01-02 |
| 4 | 14.68 ft | 1964-12-22 |
| 5 | 14.50 ft | 1937-12-01 |
| 6 | 14.28 ft | 1996-02-07 |
| 7 | 14.08 ft | 1996-02-08 |
| 8 | 14.03 ft | 1980-01-12 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 11.00 ft
minor flooding begins along Johnson Creek between SE 92nd Street to SE 122nd Street and between Johnson Creek and SE Harold Street.
- 13.00 ft
expect flooding to begin at numerous locations along Johnson Creek. Evacuations of several homes have historically taken place at this and higher stages.
- 14.00 ft
expect widespread flooding of residential and commercial areas along Johnson Creek.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Johnson Creek flooding at Sycamore?
No. The Johnson Creek at Sycamore is at 1.2 ft, 8.8 ft below action stage.
What is the flood stage at Sycamore?
The National Weather Service sets action stage 10 ft, minor flooding 11 ft, moderate flooding 13 ft and major flooding 14 ft.
What is the highest the Johnson Creek has been at Sycamore?
The highest crest on record is 15.33 ft, on 2015-12-07.
Is the Johnson Creek high or low right now at Sycamore?
At 1.2 ft it is higher than 45% of readings over the last 122 days.
How warm is the water at Sycamore, Johnson Creek?
The water temperature at Sycamore, Johnson Creek is 49 °F (9.6 °C), measured 7:30 pm by USGS, which is 4 °F cooler than normal for this date over the past ten years. It has fallen 1.1 °F in the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge SYCO3); daily history from the U.S. Geological Survey (site 14211500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.