Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 8:30 PM PST 12/16/25
Status: No Flooding
Stage: 4.87 ft
Flow: 0.27 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 PM 12/16 | 4.76 | 0.257 |
| 4 AM 12/17 | 7.37 | 0.606 |
| 10 AM 12/17 | 6.69 | 0.506 |
| 4 PM 12/17 | 6.27 | 0.447 |
| 10 PM 12/17 | 5.68 | 0.37 |
| 4 AM 12/18 | 5.23 | 0.313 |
| 10 AM 12/18 | 5.4 | 0.334 |
| 4 PM 12/18 | 12.23 | 1.53 |
| 10 PM 12/18 | 13.51 | 1.93 |
| 4 AM 12/19 | 12.32 | 1.56 |
| 10 AM 12/19 | 10.01 | 1.06 |
| 4 PM 12/19 | 8.4 | 0.771 |
| 10 PM 12/19 | 7.13 | 0.57 |
| 4 AM 12/20 | 6.15 | 0.431 |
| 10 AM 12/20 | 5.47 | 0.343 |
| 4 PM 12/20 | 5.07 | 0.293 |
| 10 PM 12/20 | 4.75 | 0.256 |
| 4 AM 12/21 | 4.47 | 0.224 |
| 10 AM 12/21 | 4.31 | 0.207 |
| 4 PM 12/21 | 4.32 | 0.208 |
| 10 PM 12/21 | 4.52 | 0.23 |
| 4 AM 12/22 | 4.77 | 0.258 |
| 10 AM 12/22 | 4.91 | 0.274 |
| 4 PM 12/22 | 4.91 | 0.274 |
| 10 PM 12/22 | 4.85 | 0.267 |
| 4 AM 12/23 | 4.74 | 0.255 |
| 10 AM 12/23 | 4.58 | 0.237 |
| 4 PM 12/23 | 4.4 | 0.217 |
| 10 PM 12/23 | 4.21 | 0.197 |
| 4 AM 12/24 | 4.04 | 0.179 |
| 10 AM 12/24 | 3.91 | 0.166 |
| 4 PM 12/24 | 3.85 | 0.161 |
| 10 PM 12/24 | 3.87 | 0.163 |
| 4 AM 12/25 | 3.9 | 0.166 |
| 10 AM 12/25 | 3.91 | 0.166 |
| 4 PM 12/25 | 3.93 | 0.168 |
| 10 PM 12/25 | 3.96 | 0.171 |
| 4 AM 12/26 | 3.99 | 0.174 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:30 PM 12/16 | 4.87 | 0.27 |
| 8:15 PM 12/16 | 4.88 | 0.271 |
| 8:00 PM 12/16 | 4.89 | 0.272 |
| 7:45 PM 12/16 | 4.91 | 0.274 |
| 7:30 PM 12/16 | 4.93 | 0.277 |
| 7:15 PM 12/16 | 4.97 | 0.282 |
| 7:00 PM 12/16 | 5.02 | 0.287 |
| 6:45 PM 12/16 | 5.05 | 0.291 |
| 6:30 PM 12/16 | 5.09 | 0.296 |
| 6:15 PM 12/16 | 5.14 | 0.302 |
| 6:00 PM 12/16 | 5.17 | 0.306 |
| 5:45 PM 12/16 | 5.19 | 0.308 |
| 4:30 PM 12/16 | 5.5 | 0.347 |
| 4:15 PM 12/16 | 5.58 | 0.357 |
| 4:00 PM 12/16 | 5.64 | 0.365 |
| 3:45 PM 12/16 | 5.73 | 0.376 |
| 3:30 PM 12/16 | 5.81 | 0.386 |
| 3:15 PM 12/16 | 5.9 | 0.398 |
| 3:00 PM 12/16 | 5.96 | 0.406 |
| 2:45 PM 12/16 | 6.02 | 0.414 |
| 2:30 PM 12/16 | 6.1 | 0.424 |
| 2:15 PM 12/16 | 6.17 | 0.434 |
| 2:00 PM 12/16 | 6.22 | 0.44 |
| 1:45 PM 12/16 | 6.3 | 0.451 |
| 1:30 PM 12/16 | 6.37 | 0.461 |
| 1:15 PM 12/16 | 6.43 | 0.469 |
| 1:00 PM 12/16 | 6.5 | 0.479 |
| 12:45 PM 12/16 | 6.56 | 0.487 |
| 11:30 AM 12/16 | 6.84 | 0.527 |
| 11:15 AM 12/16 | 6.89 | 0.534 |
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 |
| Feb 24, 1994 | 13.21 |
| Jan 19, 2012 | 13.21 |
| Jan 7, 1948 | 13.06 |
| Jan 15, 1974 | 12.72 |
| Jan 21, 1972 | 12.7 |
Data provided by the National Weather Service.
