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Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 6:30 PM PST 12/12/25
Status: No Flooding
Stage: 3.05 ft
Flow: 0.091 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 PM 12/12 | 2.94 | 0.082 |
| 4 AM 12/13 | 2.84 | 0.075 |
| 10 AM 12/13 | 2.74 | 0.068 |
| 4 PM 12/13 | 2.69 | 0.064 |
| 10 PM 12/13 | 2.65 | 0.061 |
| 4 AM 12/14 | 2.62 | 0.059 |
| 10 AM 12/14 | 2.6 | 0.058 |
| 4 PM 12/14 | 2.58 | 0.057 |
| 10 PM 12/14 | 2.55 | 0.055 |
| 4 AM 12/15 | 2.53 | 0.054 |
| 10 AM 12/15 | 2.65 | 0.061 |
| 4 PM 12/15 | 3.16 | 0.099 |
| 10 PM 12/15 | 3.77 | 0.153 |
| 4 AM 12/16 | 4.15 | 0.191 |
| 10 AM 12/16 | 4.57 | 0.236 |
| 4 PM 12/16 | 5.14 | 0.302 |
| 10 PM 12/16 | 6.67 | 0.503 |
| 4 AM 12/17 | 6.36 | 0.459 |
| 10 AM 12/17 | 6.23 | 0.442 |
| 4 PM 12/17 | 5.99 | 0.41 |
| 10 PM 12/17 | 5.92 | 0.401 |
| 4 AM 12/18 | 6.01 | 0.412 |
| 10 AM 12/18 | 7.4 | 0.61 |
| 4 PM 12/18 | 9.67 | 0.994 |
| 10 PM 12/18 | 10.08 | 1.07 |
| 4 AM 12/19 | 9.62 | 0.985 |
| 10 AM 12/19 | 9.08 | 0.887 |
| 4 PM 12/19 | 8.73 | 0.826 |
| 10 PM 12/19 | 7.54 | 0.632 |
| 4 AM 12/20 | 6.9 | 0.536 |
| 10 AM 12/20 | 6.43 | 0.469 |
| 4 PM 12/20 | 6.09 | 0.423 |
| 10 PM 12/20 | 5.88 | 0.395 |
| 4 AM 12/21 | 5.83 | 0.389 |
| 10 AM 12/21 | 6.45 | 0.472 |
| 4 PM 12/21 | 6.28 | 0.448 |
| 10 PM 12/21 | 6.07 | 0.42 |
| 4 AM 12/22 | 5.84 | 0.39 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6:30 PM 12/12 | 3.05 | 0.091 |
| 6:15 PM 12/12 | 3.06 | 0.091 |
| 6:00 PM 12/12 | 3.06 | 0.091 |
| 5:45 PM 12/12 | 3.06 | 0.091 |
| 5:30 PM 12/12 | 3.06 | 0.091 |
| 5:15 PM 12/12 | 3.07 | 0.092 |
| 5:00 PM 12/12 | 3.08 | 0.093 |
| 4:45 PM 12/12 | 3.08 | 0.093 |
| 3:30 PM 12/12 | 3.11 | 0.095 |
| 3:15 PM 12/12 | 3.11 | 0.095 |
| 3:00 PM 12/12 | 3.11 | 0.095 |
| 2:45 PM 12/12 | 3.12 | 0.096 |
| 1:30 PM 12/12 | 3.14 | 0.098 |
| 1:15 PM 12/12 | 3.15 | 0.099 |
| 1:00 PM 12/12 | 3.15 | 0.099 |
| 12:45 PM 12/12 | 3.15 | 0.099 |
| 12:30 PM 12/12 | 3.17 | 0.1 |
| 12:15 PM 12/12 | 3.16 | 0.099 |
| 12:00 PM 12/12 | 3.17 | 0.1 |
| 11:45 AM 12/12 | 3.18 | 0.101 |
| 10:30 AM 12/12 | 3.2 | 0.103 |
| 10:15 AM 12/12 | 3.2 | 0.103 |
| 10:00 AM 12/12 | 3.21 | 0.103 |
| 9:45 AM 12/12 | 3.21 | 0.103 |
| 8:30 AM 12/12 | 3.24 | 0.106 |
| 8:15 AM 12/12 | 3.25 | 0.107 |
| 8:00 AM 12/12 | 3.26 | 0.108 |
| 7:45 AM 12/12 | 3.26 | 0.108 |
| 6:30 AM 12/12 | 3.29 | 0.11 |
| 6:15 AM 12/12 | 3.29 | 0.11 |
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.
