Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 11:30 AM PST 12/11/25
Status: No Flooding
Stage: 3.87 ft
Flow: 0.163 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 PM 12/11 | 3.57 | 0.134 |
| 10 PM 12/11 | 3.38 | 0.118 |
| 4 AM 12/12 | 3.22 | 0.104 |
| 10 AM 12/12 | 3.08 | 0.093 |
| 4 PM 12/12 | 2.97 | 0.084 |
| 10 PM 12/12 | 2.88 | 0.078 |
| 4 AM 12/13 | 2.81 | 0.073 |
| 10 AM 12/13 | 2.75 | 0.068 |
| 4 PM 12/13 | 2.7 | 0.065 |
| 10 PM 12/13 | 2.66 | 0.062 |
| 4 AM 12/14 | 2.63 | 0.06 |
| 10 AM 12/14 | 2.65 | 0.061 |
| 4 PM 12/14 | 2.61 | 0.059 |
| 10 PM 12/14 | 2.62 | 0.059 |
| 4 AM 12/15 | 2.61 | 0.059 |
| 10 AM 12/15 | 2.75 | 0.068 |
| 4 PM 12/15 | 3.52 | 0.13 |
| 10 PM 12/15 | 4.21 | 0.197 |
| 4 AM 12/16 | 4.64 | 0.243 |
| 10 AM 12/16 | 4.91 | 0.274 |
| 4 PM 12/16 | 5.34 | 0.327 |
| 10 PM 12/16 | 7.43 | 0.615 |
| 4 AM 12/17 | 6.71 | 0.508 |
| 10 AM 12/17 | 6.55 | 0.486 |
| 4 PM 12/17 | 6.28 | 0.448 |
| 10 PM 12/17 | 6.1 | 0.424 |
| 4 AM 12/18 | 6.08 | 0.422 |
| 10 AM 12/18 | 8.32 | 0.757 |
| 4 PM 12/18 | 9.29 | 0.925 |
| 10 PM 12/18 | 9.23 | 0.914 |
| 4 AM 12/19 | 8.73 | 0.826 |
| 10 AM 12/19 | 8.03 | 0.71 |
| 4 PM 12/19 | 7.34 | 0.601 |
| 10 PM 12/19 | 6.86 | 0.53 |
| 4 AM 12/20 | 6.57 | 0.489 |
| 10 AM 12/20 | 6.34 | 0.457 |
| 4 PM 12/20 | 6.25 | 0.444 |
| 10 PM 12/20 | 6.21 | 0.439 |
| 4 AM 12/21 | 6.64 | 0.498 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11:30 AM 12/11 | 3.87 | 0.163 |
| 11:15 AM 12/11 | 3.87 | 0.163 |
| 11:00 AM 12/11 | 3.89 | 0.165 |
| 10:45 AM 12/11 | 3.89 | 0.165 |
| 10:30 AM 12/11 | 3.91 | 0.166 |
| 10:15 AM 12/11 | 3.91 | 0.166 |
| 10:00 AM 12/11 | 3.92 | 0.167 |
| 9:45 AM 12/11 | 3.93 | 0.168 |
| 9:30 AM 12/11 | 3.94 | 0.169 |
| 9:15 AM 12/11 | 3.95 | 0.17 |
| 9:00 AM 12/11 | 3.95 | 0.17 |
| 8:45 AM 12/11 | 3.97 | 0.172 |
| 8:30 AM 12/11 | 3.98 | 0.173 |
| 8:15 AM 12/11 | 3.99 | 0.174 |
| 8:00 AM 12/11 | 4 | 0.175 |
| 7:45 AM 12/11 | 4.01 | 0.176 |
| 7:30 AM 12/11 | 4.03 | 0.178 |
| 7:15 AM 12/11 | 4.04 | 0.179 |
| 7:00 AM 12/11 | 4.04 | 0.179 |
| 6:45 AM 12/11 | 4.07 | 0.182 |
| 6:30 AM 12/11 | 4.07 | 0.182 |
| 6:15 AM 12/11 | 4.09 | 0.184 |
| 6:00 AM 12/11 | 4.1 | 0.185 |
| 5:45 AM 12/11 | 4.11 | 0.186 |
| 5:30 AM 12/11 | 4.12 | 0.187 |
| 5:15 AM 12/11 | 4.13 | 0.189 |
| 5:00 AM 12/11 | 4.14 | 0.19 |
| 4:45 AM 12/11 | 4.15 | 0.191 |
| 3:30 AM 12/11 | 4.23 | 0.199 |
| 3:15 AM 12/11 | 4.23 | 0.199 |
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.
