Cosumnes River at Michigan Bar
Critical Stages
7' - Action
12' - Flood
16' - Moderate
18' - Major
Latest Observation
Updated: 4:30 AM PST 12/18/25
Status: No Flooding
Stage: 3.02 ft
Flow: 0.06 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7 AM 12/18 | 3.14 | 0.079 |
| 8 AM 12/18 | 3.14 | 0.079 |
| 9 AM 12/18 | 3.14 | 0.079 |
| 10 AM 12/18 | 3.14 | 0.079 |
| 11 AM 12/18 | 3.14 | 0.079 |
| 12 PM 12/18 | 3.13 | 0.077 |
| 1 PM 12/18 | 3.13 | 0.077 |
| 2 PM 12/18 | 3.12 | 0.076 |
| 3 PM 12/18 | 3.12 | 0.076 |
| 4 PM 12/18 | 3.11 | 0.074 |
| 5 PM 12/18 | 3.11 | 0.074 |
| 6 PM 12/18 | 3.1 | 0.072 |
| 7 PM 12/18 | 3.1 | 0.072 |
| 8 PM 12/18 | 3.09 | 0.071 |
| 9 PM 12/18 | 3.08 | 0.069 |
| 10 PM 12/18 | 3.08 | 0.069 |
| 11 PM 12/18 | 3.08 | 0.069 |
| 12 AM 12/19 | 3.07 | 0.068 |
| 1 AM 12/19 | 3.07 | 0.068 |
| 2 AM 12/19 | 3.07 | 0.068 |
| 3 AM 12/19 | 3.06 | 0.066 |
| 4 AM 12/19 | 3.06 | 0.066 |
| 5 AM 12/19 | 3.06 | 0.066 |
| 6 AM 12/19 | 3.06 | 0.066 |
| 7 AM 12/19 | 3.05 | 0.065 |
| 8 AM 12/19 | 3.05 | 0.065 |
| 9 AM 12/19 | 3.05 | 0.065 |
| 10 AM 12/19 | 3.05 | 0.065 |
| 11 AM 12/19 | 3.05 | 0.065 |
| 12 PM 12/19 | 3.05 | 0.065 |
| 1 PM 12/19 | 3.05 | 0.065 |
| 2 PM 12/19 | 3.05 | 0.065 |
| 3 PM 12/19 | 3.05 | 0.065 |
| 4 PM 12/19 | 3.05 | 0.065 |
| 5 PM 12/19 | 3.05 | 0.065 |
| 6 PM 12/19 | 3.05 | 0.065 |
| 7 PM 12/19 | 3.05 | 0.065 |
| 8 PM 12/19 | 3.05 | 0.065 |
| 9 PM 12/19 | 3.05 | 0.065 |
| 10 PM 12/19 | 3.06 | 0.066 |
| 11 PM 12/19 | 3.06 | 0.066 |
| 12 AM 12/20 | 3.07 | 0.068 |
| 1 AM 12/20 | 3.08 | 0.069 |
| 2 AM 12/20 | 3.09 | 0.071 |
| 3 AM 12/20 | 3.1 | 0.072 |
| 4 AM 12/20 | 3.11 | 0.074 |
| 5 AM 12/20 | 3.12 | 0.076 |
| 6 AM 12/20 | 3.14 | 0.079 |
| 7 AM 12/20 | 3.17 | 0.084 |
| 8 AM 12/20 | 3.19 | 0.087 |
| 9 AM 12/20 | 3.22 | 0.093 |
| 10 AM 12/20 | 3.26 | 0.1 |
| 11 AM 12/20 | 3.3 | 0.108 |
| 12 PM 12/20 | 3.35 | 0.119 |
| 1 PM 12/20 | 3.39 | 0.128 |
| 2 PM 12/20 | 3.44 | 0.139 |
| 3 PM 12/20 | 3.48 | 0.149 |
| 4 PM 12/20 | 3.51 | 0.157 |
| 5 PM 12/20 | 3.55 | 0.168 |
| 6 PM 12/20 | 3.58 | 0.176 |
| 7 PM 12/20 | 3.6 | 0.181 |
| 8 PM 12/20 | 3.62 | 0.187 |
| 9 PM 12/20 | 3.64 | 0.193 |
| 10 PM 12/20 | 3.65 | 0.196 |
| 11 PM 12/20 | 3.66 | 0.199 |
| 12 AM 12/21 | 3.67 | 0.202 |
| 1 AM 12/21 | 3.68 | 0.205 |
| 2 AM 12/21 | 3.69 | 0.208 |
| 3 AM 12/21 | 3.7 | 0.211 |
| 4 AM 12/21 | 3.71 | 0.215 |
| 5 AM 12/21 | 3.73 | 0.221 |
| 6 AM 12/21 | 3.76 | 0.231 |
| 7 AM 12/21 | 3.8 | 0.245 |
| 8 AM 12/21 | 3.85 | 0.262 |
| 9 AM 12/21 | 3.91 | 0.285 |
| 10 AM 12/21 | 4 | 0.32 |
| 11 AM 12/21 | 4.12 | 0.372 |
| 12 PM 12/21 | 4.28 | 0.45 |
| 1 PM 12/21 | 4.45 | 0.543 |
| 2 PM 12/21 | 4.67 | 0.681 |
| 3 PM 12/21 | 4.97 | 0.903 |
| 4 PM 12/21 | 5.24 | 1.14 |
| 5 PM 12/21 | 5.52 | 1.42 |
| 6 PM 12/21 | 5.7 | 1.61 |
| 7 PM 12/21 | 5.9 | 1.85 |
| 8 PM 12/21 | 6.09 | 2.1 |
| 9 PM 12/21 | 6.24 | 2.32 |
| 10 PM 12/21 | 6.33 | 2.45 |
| 11 PM 12/21 | 6.42 | 2.59 |
| 12 AM 12/22 | 6.5 | 2.71 |
| 1 AM 12/22 | 6.6 | 2.88 |
| 2 AM 12/22 | 6.7 | 3.05 |
| 3 AM 12/22 | 6.79 | 3.21 |
| 4 AM 12/22 | 6.87 | 3.35 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:30 AM 12/18 | 3.04 | 0.063 |
| 5:15 AM 12/18 | 3.04 | 0.063 |
| 5:00 AM 12/18 | 3.03 | 0.062 |
| 4:45 AM 12/18 | 3.02 | 0.06 |
| 4:30 AM 12/18 | 3.02 | 0.06 |
| 4:15 AM 12/18 | 3.04 | 0.063 |
| 4:00 AM 12/18 | 3.02 | 0.06 |
| 3:45 AM 12/18 | 3.02 | 0.06 |
| 3:30 AM 12/18 | 3.03 | 0.062 |
| 3:15 AM 12/18 | 3.03 | 0.062 |
| 3:00 AM 12/18 | 3.02 | 0.06 |
| 2:45 AM 12/18 | 3.03 | 0.062 |
| 2:30 AM 12/18 | 3.02 | 0.06 |
| 2:15 AM 12/18 | 3.03 | 0.062 |
| 2:00 AM 12/18 | 3.01 | 0.059 |
| 1:45 AM 12/18 | 3.03 | 0.062 |
| 1:30 AM 12/18 | 3.01 | 0.059 |
| 1:15 AM 12/18 | 3.01 | 0.059 |
| 1:00 AM 12/18 | 3.01 | 0.059 |
| 12:45 AM 12/18 | 3.03 | 0.062 |
| 12:30 AM 12/18 | 3.02 | 0.06 |
| 12:15 AM 12/18 | 3 | 0.058 |
| 12:00 AM 12/18 | 3.03 | 0.062 |
| 11:45 PM 12/17 | 3.01 | 0.059 |
| 11:30 PM 12/17 | 3.01 | 0.059 |
| 11:15 PM 12/17 | 3.02 | 0.06 |
| 11:00 PM 12/17 | 3.03 | 0.062 |
| 10:45 PM 12/17 | 3.02 | 0.06 |
| 10:30 PM 12/17 | 3.03 | 0.062 |
| 10:15 PM 12/17 | 3.01 | 0.059 |
13.2' -
Water floods houses in Wilton. The south bank levee near Wilton is overtopped.
12' -
Water flows on to the road near Wilton.
8' -
Low lying lands along the river begin to flood.
| Date | Stage (ft) |
|---|---|
| Jan 2, 1997 | 18.54 |
| Dec 31, 2022 | 16.83 |
| Mar 1, 1907 | 16.3 |
| Feb 17, 1986 | 14.76 |
| Dec 23, 1955 | 14.59 |
| Feb 1, 1963 | 14.11 |
| Dec 23, 1964 | 13.8 |
| Feb 16, 1982 | 13.8 |
| Dec 31, 2005 | 13.68 |
| Apr 4, 2006 | 13.37 |
| Feb 3, 1998 | 13.21 |
| Jan 13, 1980 | 13.17 |
| Jan 1, 2017 | 13.15 |
| Feb 8, 2017 | 12.91 |
| Apr 3, 1958 | 12.18 |
| Jan 13, 1909 | 12 |
| Jan 31, 1911 | 12 |
| Nov 18, 1950 | 11.85 |
| Feb 9, 1999 | 11.75 |
| Mar 22, 2018 | 11.67 |
Data provided by the National Weather Service.