Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 4:30 AM PST 12/10/25
Status: No Flooding
Stage: 7.62 ft
Flow: 0.644 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/10 | 7.16 | 0.574 |
| 4 PM 12/10 | 5.89 | 0.397 |
| 10 PM 12/10 | 4.7 | 0.25 |
| 4 AM 12/11 | 4.31 | 0.207 |
| 10 AM 12/11 | 4.23 | 0.199 |
| 4 PM 12/11 | 4.22 | 0.198 |
| 10 PM 12/11 | 4.08 | 0.183 |
| 4 AM 12/12 | 3.85 | 0.161 |
| 10 AM 12/12 | 3.63 | 0.14 |
| 4 PM 12/12 | 3.42 | 0.121 |
| 10 PM 12/12 | 3.24 | 0.106 |
| 4 AM 12/13 | 3.09 | 0.094 |
| 10 AM 12/13 | 2.97 | 0.084 |
| 4 PM 12/13 | 2.88 | 0.078 |
| 10 PM 12/13 | 2.84 | 0.075 |
| 4 AM 12/14 | 2.8 | 0.072 |
| 10 AM 12/14 | 2.92 | 0.081 |
| 4 PM 12/14 | 3.08 | 0.093 |
| 10 PM 12/14 | 3.21 | 0.103 |
| 4 AM 12/15 | 3.18 | 0.101 |
| 10 AM 12/15 | 3.28 | 0.109 |
| 4 PM 12/15 | 3.67 | 0.144 |
| 10 PM 12/15 | 4.25 | 0.201 |
| 4 AM 12/16 | 4.66 | 0.246 |
| 10 AM 12/16 | 4.78 | 0.259 |
| 4 PM 12/16 | 4.75 | 0.256 |
| 10 PM 12/16 | 4.68 | 0.248 |
| 4 AM 12/17 | 4.61 | 0.24 |
| 10 AM 12/17 | 4.58 | 0.237 |
| 4 PM 12/17 | 4.72 | 0.252 |
| 10 PM 12/17 | 5 | 0.285 |
| 4 AM 12/18 | 5.36 | 0.329 |
| 10 AM 12/18 | 5.71 | 0.374 |
| 4 PM 12/18 | 6.87 | 0.531 |
| 10 PM 12/18 | 7.71 | 0.658 |
| 4 AM 12/19 | 9.09 | 0.889 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:30 AM 12/10 | 7.62 | 0.644 |
| 4:15 AM 12/10 | 7.72 | 0.66 |
| 4:00 AM 12/10 | 7.8 | 0.673 |
| 3:45 AM 12/10 | 7.89 | 0.687 |
| 3:30 AM 12/10 | 7.98 | 0.702 |
| 3:15 AM 12/10 | 8.11 | 0.723 |
| 3:00 AM 12/10 | 8.21 | 0.739 |
| 2:45 AM 12/10 | 8.32 | 0.757 |
| 1:30 AM 12/10 | 8.82 | 0.842 |
| 1:15 AM 12/10 | 8.93 | 0.861 |
| 1:00 AM 12/10 | 9.01 | 0.875 |
| 12:45 AM 12/10 | 9.11 | 0.893 |
| 11:30 PM 12/9 | 9.47 | 0.957 |
| 11:15 PM 12/9 | 9.58 | 0.977 |
| 11:00 PM 12/9 | 9.63 | 0.986 |
| 10:45 PM 12/9 | 9.73 | 1.01 |
| 9:30 PM 12/9 | 9.99 | 1.05 |
| 9:15 PM 12/9 | 10.08 | 1.07 |
| 9:00 PM 12/9 | 10.12 | 1.08 |
| 8:45 PM 12/9 | 10.18 | 1.09 |
| 8:30 PM 12/9 | 10.25 | 1.1 |
| 8:15 PM 12/9 | 10.3 | 1.11 |
| 8:00 PM 12/9 | 10.38 | 1.13 |
| 7:45 PM 12/9 | 10.41 | 1.13 |
| 7:30 PM 12/9 | 10.49 | 1.15 |
| 7:15 PM 12/9 | 10.55 | 1.16 |
| 7:00 PM 12/9 | 10.63 | 1.18 |
| 6:45 PM 12/9 | 10.65 | 1.18 |
| 5:30 PM 12/9 | 10.94 | 1.24 |
| 5:15 PM 12/9 | 10.99 | 1.25 |
14' -
expect widespread flooding of residential and commercial areas along Johnson Creek.
13' -
expect flooding to begin at numerous locations along Johnson Creek. Evacuations of several homes have historically taken place at this and higher stages.
11' -
minor flooding begins along Johnson Creek between SE 92nd Street to SE 122nd Street and between Johnson Creek and SE Harold Street.
| Date | Stage (ft) |
|---|---|
| Dec 7, 2015 | 15.33 |
| Nov 19, 1996 | 15.3 |
| Jan 2, 2009 | 14.69 |
| Dec 22, 1964 | 14.68 |
| Dec 1, 1937 | 14.5 |
| Feb 7, 1996 | 14.28 |
| Feb 8, 1996 | 14.08 |
| Jan 12, 1980 | 14.03 |
| Nov 11, 1995 | 14 |
| Dec 13, 1977 | 13.89 |
| Nov 24, 1960 | 13.78 |
| Feb 10, 1949 | 13.77 |
| Feb 20, 1982 | 13.66 |
| Feb 1, 2003 | 13.24 |
| Jan 4, 1956 | 13.23 |
| Jan 19, 2012 | 13.21 |
| Feb 24, 1994 | 13.21 |
| Jan 7, 1948 | 13.06 |
| Jan 15, 1974 | 12.72 |
| Jan 21, 1972 | 12.7 |
Data provided by the National Weather Service.
