Johnson Creek near Sycamore
Critical Stages
10' - Action
11' - Flood
13' - Moderate
14' - Major
Latest Observation
Updated: 4:30 AM PST 12/16/25
Status: No Flooding
Stage: 4.8 ft
Flow: 0.262 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/16 | 4.96 | 0.28 |
| 4 PM 12/16 | 4.42 | 0.219 |
| 10 PM 12/16 | 4.42 | 0.219 |
| 4 AM 12/17 | 5.13 | 0.301 |
| 10 AM 12/17 | 5.51 | 0.348 |
| 4 PM 12/17 | 5.48 | 0.345 |
| 10 PM 12/17 | 5.21 | 0.311 |
| 4 AM 12/18 | 4.87 | 0.27 |
| 10 AM 12/18 | 5.16 | 0.304 |
| 4 PM 12/18 | 10.71 | 1.19 |
| 10 PM 12/18 | 12.8 | 1.69 |
| 4 AM 12/19 | 11.7 | 1.4 |
| 10 AM 12/19 | 9.71 | 1 |
| 4 PM 12/19 | 8.19 | 0.736 |
| 10 PM 12/19 | 7.01 | 0.552 |
| 4 AM 12/20 | 6.05 | 0.418 |
| 10 AM 12/20 | 5.36 | 0.329 |
| 4 PM 12/20 | 4.95 | 0.279 |
| 10 PM 12/20 | 4.63 | 0.242 |
| 4 AM 12/21 | 4.36 | 0.213 |
| 10 AM 12/21 | 4.14 | 0.19 |
| 4 PM 12/21 | 4.02 | 0.177 |
| 10 PM 12/21 | 4.06 | 0.181 |
| 4 AM 12/22 | 4.17 | 0.193 |
| 10 AM 12/22 | 4.36 | 0.213 |
| 4 PM 12/22 | 4.57 | 0.236 |
| 10 PM 12/22 | 4.68 | 0.248 |
| 4 AM 12/23 | 4.67 | 0.247 |
| 10 AM 12/23 | 4.55 | 0.233 |
| 4 PM 12/23 | 4.4 | 0.217 |
| 10 PM 12/23 | 4.25 | 0.201 |
| 4 AM 12/24 | 4.11 | 0.186 |
| 10 AM 12/24 | 3.98 | 0.173 |
| 4 PM 12/24 | 3.88 | 0.164 |
| 10 PM 12/24 | 3.8 | 0.156 |
| 4 AM 12/25 | 3.82 | 0.158 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:30 AM 12/16 | 4.8 | 0.262 |
| 4:15 AM 12/16 | 4.54 | 0.232 |
| 4:00 AM 12/16 | 4.26 | 0.202 |
| 3:45 AM 12/16 | 4.01 | 0.176 |
| 1:30 AM 12/16 | 3.38 | 0.118 |
| 1:15 AM 12/16 | 3.4 | 0.119 |
| 1:00 AM 12/16 | 3.42 | 0.121 |
| 12:45 AM 12/16 | 3.43 | 0.122 |
| 12:30 AM 12/16 | 3.45 | 0.124 |
| 12:15 AM 12/16 | 3.48 | 0.126 |
| 12:00 AM 12/16 | 3.49 | 0.127 |
| 11:45 PM 12/15 | 3.52 | 0.13 |
| 11:30 PM 12/15 | 3.55 | 0.133 |
| 11:15 PM 12/15 | 3.56 | 0.134 |
| 11:00 PM 12/15 | 3.58 | 0.135 |
| 10:45 PM 12/15 | 3.6 | 0.137 |
| 9:30 PM 12/15 | 3.63 | 0.14 |
| 9:15 PM 12/15 | 3.62 | 0.139 |
| 9:00 PM 12/15 | 3.61 | 0.138 |
| 8:45 PM 12/15 | 3.61 | 0.138 |
| 8:30 PM 12/15 | 3.62 | 0.139 |
| 8:15 PM 12/15 | 3.61 | 0.138 |
| 8:00 PM 12/15 | 3.61 | 0.138 |
| 7:45 PM 12/15 | 3.63 | 0.14 |
| 7:30 PM 12/15 | 3.64 | 0.141 |
| 7:15 PM 12/15 | 3.65 | 0.142 |
| 7:00 PM 12/15 | 3.66 | 0.143 |
| 6:45 PM 12/15 | 3.69 | 0.145 |
| 6:30 PM 12/15 | 3.69 | 0.145 |
| 6:15 PM 12/15 | 3.7 | 0.146 |
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.
