Rivers in California
Cosumnes River at Michigan Bar
Below flood stage
2.72ftStage
Observed Tue, Sep 29, 9:30 PM PDT
- Flood stage
- 12.00 ft
- Forecast crest
- 2.72 ftTue, Sep 29, 10:00 PM PDT
- Record crest
- 18.54 ft1997
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 18.00 ft |
| Moderate flood | 16.00 ft |
| Minor flood | 12.00 ft |
| Action | 7.00 ft |
- 13.20 ftWater floods houses in Wilton. The south bank levee near Wilton is overtopped.
- 12.00 ftWater flows on to the road near Wilton.
- 8.00 ftLow lying lands along the river begin to flood.
Flood outlook
Chance of flooding, October to December
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 29, 2026.
Crest history
65 crests on NOAA’s list since 1907.
| # | Date | Stage |
|---|---|---|
| 1 | January 2, 1997 | 18.54 ft |
| 2 | December 31, 2022 | 16.83 ft |
| 3 | March 1, 1907 | 16.30 ft |
| 4 | February 17, 1986 | 14.76 ft |
| 5 | December 23, 1955 | 14.59 ft |
| 6 | February 1, 1963 | 14.11 ft |
| 7 | December 23, 1964 | 13.80 ft |
| 8 | February 16, 1982 | 13.80 ft |
| 9 | December 31, 2005 | 13.68 ft |
| 10 | April 4, 2006 | 13.37 ft |
| 11 | February 3, 1998 | 13.21 ft |
| 12 | January 13, 1980 | 13.17 ft |
| 13 | January 1, 2017 | 13.15 ft |
| 14 | February 8, 2017 | 12.91 ft |
| 15 | April 3, 1958 | 12.18 ft |
| 16 | January 13, 1909 | 12.00 ft |
| 17 | January 31, 1911 | 12.00 ft |
| 18 | November 18, 1950 | 11.85 ft |
| 19 | February 9, 1999 | 11.75 ft |
| 20 | March 22, 2018 | 11.67 ft |
| 21 | March 31, 1940 | 11.66 ft |
| 22 | March 13, 1983 | 11.60 ft |
| 23 | March 11, 1995 | 11.35 ft |
| 24 | January 27, 1942 | 11.28 ft |
| 25 | February 6, 1925 | 11.20 ft |
Most recent crests
- January 4, 2026: 8.66 ft
- February 14, 2025: 9.32 ft
- March 2, 2024: 9.14 ft
- March 15, 2023: 11.14 ft
- December 31, 2022: 16.83 ft
- October 25, 2021: 10.11 ft
- January 28, 2021: 6.56 ft
- April 6, 2020: 8.26 ft
- February 14, 2019: 10.05 ft
- March 22, 2018: 11.67 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.