Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 5:30 PM PST 12/14/25
Status: No Flooding
Stage: 2.45 ft
Flow: 0.048 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 PM 12/14 | 2.51 | 0.052 |
| 4 AM 12/15 | 2.54 | 0.054 |
| 10 AM 12/15 | 2.88 | 0.078 |
| 4 PM 12/15 | 3.53 | 0.131 |
| 10 PM 12/15 | 3.78 | 0.154 |
| 4 AM 12/16 | 3.89 | 0.165 |
| 10 AM 12/16 | 3.98 | 0.173 |
| 4 PM 12/16 | 4.16 | 0.192 |
| 10 PM 12/16 | 4.53 | 0.231 |
| 4 AM 12/17 | 6.02 | 0.414 |
| 10 AM 12/17 | 5.89 | 0.397 |
| 4 PM 12/17 | 5.73 | 0.376 |
| 10 PM 12/17 | 5.47 | 0.343 |
| 4 AM 12/18 | 5.25 | 0.315 |
| 10 AM 12/18 | 5.39 | 0.333 |
| 4 PM 12/18 | 9.11 | 0.893 |
| 10 PM 12/18 | 11.23 | 1.3 |
| 4 AM 12/19 | 11.6 | 1.38 |
| 10 AM 12/19 | 9.55 | 0.972 |
| 4 PM 12/19 | 8.15 | 0.729 |
| 10 PM 12/19 | 6.96 | 0.545 |
| 4 AM 12/20 | 6.07 | 0.42 |
| 10 AM 12/20 | 5.45 | 0.341 |
| 4 PM 12/20 | 5.1 | 0.297 |
| 10 PM 12/20 | 4.93 | 0.277 |
| 4 AM 12/21 | 4.79 | 0.26 |
| 10 AM 12/21 | 4.65 | 0.244 |
| 4 PM 12/21 | 4.6 | 0.239 |
| 10 PM 12/21 | 4.74 | 0.255 |
| 4 AM 12/22 | 4.9 | 0.273 |
| 10 AM 12/22 | 5.11 | 0.298 |
| 4 PM 12/22 | 5.34 | 0.327 |
| 10 PM 12/22 | 5.48 | 0.345 |
| 4 AM 12/23 | 5.54 | 0.352 |
| 10 AM 12/23 | 5.47 | 0.343 |
| 4 PM 12/23 | 5.33 | 0.325 |
| 10 PM 12/23 | 5.2 | 0.309 |
| 4 AM 12/24 | 5.05 | 0.291 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:30 PM 12/14 | 2.45 | 0.048 |
| 5:15 PM 12/14 | 2.45 | 0.048 |
| 5:00 PM 12/14 | 2.45 | 0.048 |
| 4:45 PM 12/14 | 2.45 | 0.048 |
| 4:30 PM 12/14 | 2.46 | 0.049 |
| 4:15 PM 12/14 | 2.46 | 0.049 |
| 4:00 PM 12/14 | 2.46 | 0.049 |
| 3:45 PM 12/14 | 2.47 | 0.05 |
| 3:30 PM 12/14 | 2.47 | 0.05 |
| 3:15 PM 12/14 | 2.47 | 0.05 |
| 3:00 PM 12/14 | 2.47 | 0.05 |
| 2:45 PM 12/14 | 2.47 | 0.05 |
| 1:30 PM 12/14 | 2.47 | 0.05 |
| 1:15 PM 12/14 | 2.47 | 0.05 |
| 1:00 PM 12/14 | 2.47 | 0.05 |
| 12:45 PM 12/14 | 2.47 | 0.05 |
| 12:30 PM 12/14 | 2.47 | 0.05 |
| 12:15 PM 12/14 | 2.47 | 0.05 |
| 12:00 PM 12/14 | 2.48 | 0.05 |
| 11:45 AM 12/14 | 2.47 | 0.05 |
| 11:30 AM 12/14 | 2.48 | 0.05 |
| 11:15 AM 12/14 | 2.47 | 0.05 |
| 11:00 AM 12/14 | 2.48 | 0.05 |
| 10:45 AM 12/14 | 2.48 | 0.05 |
| 10:30 AM 12/14 | 2.48 | 0.05 |
| 10:15 AM 12/14 | 2.48 | 0.05 |
| 10:00 AM 12/14 | 2.48 | 0.05 |
| 9:45 AM 12/14 | 2.48 | 0.05 |
| 9:30 AM 12/14 | 2.48 | 0.05 |
| 9:15 AM 12/14 | 2.48 | 0.05 |
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.
