Rivers in California
Cosumnes River at McConnell
Below flood stage
25.65ftStage
Observed Tue, Sep 22, 2:15 PM PDT
- Flood stage
- 44.50 ft
- Forecast crest
- 25.90 ftTue, Sep 22, 3:00 PM PDT
- Record crest
- 49.90 ft1980
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 53.50 ft |
| Moderate flood | 53.40 ft |
| Minor flood | 44.50 ft |
| Action | 38.50 ft |
- 46.50 ftAt approximately 44,000 cfs, water exits the river upstream and downstream of Highway 99. Dillard Road is flooded from Highway 99 to Riley Road. Twin Cities Road is flooded from Hardesty Lane to Christensen Road.
- 44.50 ftFlood stage.
- 41.50 ftThe Cosumnes River overflow channel begins to flow.
- 38.50 ftMonitor Stage.
Crest history
42 crests on NOAA’s list since 1936.
| # | Date | Stage |
|---|---|---|
| 1 | January 14, 1980 | 49.90 ft |
| 2 | January 2, 1997 | 48.50 ft |
| 3 | February 18, 1986 | 47.10 ft |
| 4 | January 1, 2006 | 47.02 ft |
| 5 | February 4, 1998 | 46.56 ft |
| 6 | December 23, 1955 | 46.26 ft |
| 7 | April 5, 2006 | 46.12 ft |
| 8 | December 23, 1964 | 46.10 ft |
| 9 | March 14, 1983 | 45.97 ft |
| 10 | February 23, 1936 | 45.90 ft |
| 11 | February 1, 1963 | 45.52 ft |
| 12 | January 22, 1967 | 45.10 ft |
| 13 | November 21, 1950 | 44.90 ft |
| 14 | December 26, 1983 | 44.64 ft |
| 15 | January 22, 1969 | 44.60 ft |
| 16 | January 1, 2017 | 43.97 ft |
| 17 | February 10, 2017 | 43.84 ft |
| 18 | January 17, 1973 | 43.70 ft |
| 19 | January 5, 2026 | 43.32 ft |
| 20 | March 2, 2024 | 42.98 ft |
| 21 | March 23, 2018 | 42.92 ft |
| 22 | March 26, 1989 | 42.30 ft |
| 23 | January 15, 1978 | 42.10 ft |
| 24 | February 15, 2019 | 42.04 ft |
| 25 | March 15, 2023 | 41.90 ft |
Most recent crests
- January 5, 2026: 43.32 ft
- March 18, 2025: 39.67 ft
- March 2, 2024: 42.98 ft
- March 15, 2023: 41.90 ft
- December 24, 2021: 38.99 ft
- January 29, 2021: 32.00 ft
- April 6, 2020: 38.18 ft
- February 15, 2019: 42.04 ft
- March 23, 2018: 42.92 ft
- February 10, 2017: 43.84 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. <a href='https://www.weather.gov/buf/avonmove250108'>The Genesee River at Avon River Forecast Point will be relocated 0.3 miles downstream to the old Erie Railroad Bridge on February 10, 2025. Click this link for more information.</a>
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.