Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 1:30 PM PST 12/10/25
Status: No Flooding
Stage: 5.55 ft
Flow: 0.353 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 PM 12/10 | 5.6 | 0.36 |
| 10 PM 12/10 | 4.87 | 0.27 |
| 4 AM 12/11 | 4.39 | 0.216 |
| 10 AM 12/11 | 4.13 | 0.189 |
| 4 PM 12/11 | 4 | 0.175 |
| 10 PM 12/11 | 3.84 | 0.16 |
| 4 AM 12/12 | 3.64 | 0.141 |
| 10 AM 12/12 | 3.45 | 0.124 |
| 4 PM 12/12 | 3.27 | 0.108 |
| 10 PM 12/12 | 3.12 | 0.096 |
| 4 AM 12/13 | 3 | 0.087 |
| 10 AM 12/13 | 2.9 | 0.079 |
| 4 PM 12/13 | 2.82 | 0.073 |
| 10 PM 12/13 | 2.76 | 0.069 |
| 4 AM 12/14 | 2.71 | 0.066 |
| 10 AM 12/14 | 2.69 | 0.064 |
| 4 PM 12/14 | 2.64 | 0.061 |
| 10 PM 12/14 | 2.61 | 0.059 |
| 4 AM 12/15 | 2.6 | 0.058 |
| 10 AM 12/15 | 2.88 | 0.078 |
| 4 PM 12/15 | 3.68 | 0.145 |
| 10 PM 12/15 | 4.45 | 0.222 |
| 4 AM 12/16 | 4.91 | 0.274 |
| 10 AM 12/16 | 5.03 | 0.289 |
| 4 PM 12/16 | 5.03 | 0.289 |
| 10 PM 12/16 | 5.13 | 0.301 |
| 4 AM 12/17 | 5.3 | 0.322 |
| 10 AM 12/17 | 5.41 | 0.336 |
| 4 PM 12/17 | 5.51 | 0.348 |
| 10 PM 12/17 | 5.63 | 0.363 |
| 4 AM 12/18 | 5.89 | 0.397 |
| 10 AM 12/18 | 9.38 | 0.941 |
| 4 PM 12/18 | 9.96 | 1.05 |
| 10 PM 12/18 | 10.34 | 1.12 |
| 4 AM 12/19 | 9.73 | 1.01 |
| 10 AM 12/19 | 9.22 | 0.912 |
| 4 PM 12/19 | 8.37 | 0.765 |
| 10 PM 12/19 | 7.4 | 0.61 |
| 4 AM 12/20 | 7.23 | 0.585 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1:30 PM 12/10 | 5.55 | 0.353 |
| 1:15 PM 12/10 | 5.59 | 0.358 |
| 1:00 PM 12/10 | 5.63 | 0.363 |
| 12:45 PM 12/10 | 5.68 | 0.37 |
| 12:30 PM 12/10 | 5.72 | 0.375 |
| 12:15 PM 12/10 | 5.74 | 0.377 |
| 12:00 PM 12/10 | 5.8 | 0.385 |
| 11:45 AM 12/10 | 5.82 | 0.388 |
| 11:30 AM 12/10 | 5.87 | 0.394 |
| 11:15 AM 12/10 | 5.91 | 0.399 |
| 11:00 AM 12/10 | 5.97 | 0.407 |
| 10:45 AM 12/10 | 6.01 | 0.412 |
| 9:30 AM 12/10 | 6.25 | 0.444 |
| 9:15 AM 12/10 | 6.33 | 0.455 |
| 9:00 AM 12/10 | 6.39 | 0.464 |
| 8:45 AM 12/10 | 6.43 | 0.469 |
| 7:30 AM 12/10 | 6.75 | 0.514 |
| 7:15 AM 12/10 | 6.79 | 0.52 |
| 7:00 AM 12/10 | 6.85 | 0.528 |
| 6:45 AM 12/10 | 6.92 | 0.539 |
| 4:30 AM 12/10 | 7.62 | 0.644 |
| 4:15 AM 12/10 | 7.72 | 0.66 |
| 4:00 AM 12/10 | 7.8 | 0.673 |
| 3:45 AM 12/10 | 7.89 | 0.687 |
| 3:30 AM 12/10 | 7.98 | 0.702 |
| 3:15 AM 12/10 | 8.11 | 0.723 |
| 3:00 AM 12/10 | 8.21 | 0.739 |
| 2:45 AM 12/10 | 8.32 | 0.757 |
| 1:30 AM 12/10 | 8.82 | 0.842 |
| 1:15 AM 12/10 | 8.93 | 0.861 |
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.
