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Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 7:30 PM PST 12/5/25
Status: No Flooding
Stage: 5.93 ft
Flow: 0.402 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 AM 12/6 | 4.96 | 0.28 |
| 10 AM 12/6 | 4.42 | 0.219 |
| 4 PM 12/6 | 4.1 | 0.185 |
| 10 PM 12/6 | 3.91 | 0.166 |
| 4 AM 12/7 | 3.72 | 0.148 |
| 10 AM 12/7 | 3.68 | 0.145 |
| 4 PM 12/7 | 4.01 | 0.176 |
| 10 PM 12/7 | 4.24 | 0.2 |
| 4 AM 12/8 | 4.35 | 0.212 |
| 10 AM 12/8 | 4.72 | 0.252 |
| 4 PM 12/8 | 7.72 | 0.66 |
| 10 PM 12/8 | 10.44 | 1.14 |
| 4 AM 12/9 | 11.58 | 1.38 |
| 10 AM 12/9 | 12.11 | 1.5 |
| 4 PM 12/9 | 11.81 | 1.43 |
| 10 PM 12/9 | 11.62 | 1.39 |
| 4 AM 12/10 | 11.21 | 1.29 |
| 10 AM 12/10 | 11.3 | 1.31 |
| 4 PM 12/10 | 10.11 | 1.08 |
| 10 PM 12/10 | 8.6 | 0.804 |
| 4 AM 12/11 | 7.48 | 0.623 |
| 10 AM 12/11 | 6.7 | 0.507 |
| 4 PM 12/11 | 6.16 | 0.432 |
| 10 PM 12/11 | 5.79 | 0.384 |
| 4 AM 12/12 | 5.65 | 0.366 |
| 10 AM 12/12 | 5.53 | 0.351 |
| 4 PM 12/12 | 5.35 | 0.328 |
| 10 PM 12/12 | 5.17 | 0.306 |
| 4 AM 12/13 | 4.97 | 0.282 |
| 10 AM 12/13 | 4.73 | 0.254 |
| 4 PM 12/13 | 4.48 | 0.226 |
| 10 PM 12/13 | 4.24 | 0.2 |
| 4 AM 12/14 | 4.03 | 0.178 |
| 10 AM 12/14 | 3.81 | 0.157 |
| 4 PM 12/14 | 3.64 | 0.141 |
| 10 PM 12/14 | 3.53 | 0.131 |
| 4 AM 12/15 | 3.5 | 0.128 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7:30 PM 12/5 | 5.93 | 0.402 |
| 7:15 PM 12/5 | 5.98 | 0.408 |
| 7:00 PM 12/5 | 6.03 | 0.415 |
| 6:45 PM 12/5 | 6.08 | 0.422 |
| 5:30 PM 12/5 | 6.34 | 0.457 |
| 5:15 PM 12/5 | 6.38 | 0.462 |
| 5:00 PM 12/5 | 6.42 | 0.468 |
| 4:45 PM 12/5 | 6.47 | 0.475 |
| 4:30 PM 12/5 | 6.49 | 0.477 |
| 4:15 PM 12/5 | 6.52 | 0.482 |
| 4:00 PM 12/5 | 6.56 | 0.487 |
| 3:45 PM 12/5 | 6.58 | 0.49 |
| 3:30 PM 12/5 | 6.63 | 0.497 |
| 3:15 PM 12/5 | 6.63 | 0.497 |
| 3:00 PM 12/5 | 6.63 | 0.497 |
| 2:45 PM 12/5 | 6.65 | 0.5 |
| 2:30 PM 12/5 | 6.64 | 0.498 |
| 2:15 PM 12/5 | 6.62 | 0.496 |
| 2:00 PM 12/5 | 6.6 | 0.493 |
| 1:45 PM 12/5 | 6.59 | 0.491 |
| 1:30 PM 12/5 | 6.57 | 0.489 |
| 1:15 PM 12/5 | 6.49 | 0.477 |
| 1:00 PM 12/5 | 6.45 | 0.472 |
| 12:45 PM 12/5 | 6.38 | 0.462 |
| 11:30 AM 12/5 | 6.03 | 0.415 |
| 11:15 AM 12/5 | 5.95 | 0.404 |
| 11:00 AM 12/5 | 5.89 | 0.397 |
| 10:45 AM 12/5 | 5.81 | 0.386 |
| 9:30 AM 12/5 | 5.34 | 0.327 |
| 9:15 AM 12/5 | 5.27 | 0.318 |
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.
