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| Latitude: 38.36º N | Longitude: 121.34º W | Elevation: 5 Feet | |||
| Location: Sacramento County in California | Bulletin Group: San Joaquin | River Group: North San Joaquin | |||
| Action/Monitor: 38.5 Feet | Minor Flood: 44.5 Feet | Moderate Flood: 53.4 Feet | Major Flood: 53.5 Feet |
| Please Note: |
| Observed Data Credit | |
 | Raw streamflow data is provided by the California Department of Water Resources. |
Historical Mean Daily Stage/Flow Data |
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|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
| 2020* | 6,052 | 37.90 | Mar 19, 2025 |
| 2024* | 13,400 | 42.98 | Mar 2, 2024 |
| 2023* | 73,600*** | 46.64*** | Jan 1, 2023 |
| 2022* | 7,790 | 38.99 | Dec 24, 2021 |
| 2021* | 3,000 | 32.00 | Jan 29, 2021 |
| Historical High Stage/Flow Events (Period of Record - Jan 1952 to Present)**** - Ranked by Flow | |||
| 2023* | 73,600*** | 46.64*** | Jan 1, 2023 |
| 1956* | 54,000 | 46.26 | Dec 23, 1955 |
| 2006* | 36,209 | 47.02 | Jan 01, 2006 |
| 1958 | 32,600 | 46.10 | Apr 03, 1958 |
| 1965* | 32,200 | 45.35 | Dec 23, 1964 |
| 1983* | 31,000 | 45.97 | Mar 14, 1983 |
| * Discharge affected by regulation or diversion ** Dataum changed from USED to NAVD88 on 06/20/2023. The difference is +2.46 ft and must be applied to all data before date to convert to NAVD88. *** Estimated from simulated data. Gauge data not reliable from Jan 1, 2023 through Jan 10, 2023. **** Additional high flow events occurred in 1986, 1997, & 1998 with only stage measured. Ranking by stage is not possible due to the dynamic nature of the channel. |
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| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 46.5 Feet | At 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. |
| 44.5 Feet | Flood stage. |
| 41.5 Feet | The Cosumnes River overflow channel begins to flow. |
| 38.5 Feet | Monitor Stage. |
| Official 7 Day National Weather Service Forecast (CAZ017) |
| Tonight: Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Patchy dense fog late in the evening. Areas of dense fog and locally dense after midnight. Lows around 45. Southeast winds up to 10 mph in the evening becoming light. Tuesday: Mostly sunny. Highs 55 to 63. Light winds. Tuesday Night: Mostly clear. Lows around 46. Light winds. Wednesday: Mostly cloudy. Highs 55 to 60. Light winds. Wednesday Night: Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows around 48. Southeast winds up to 10 mph. Thursday: Mostly cloudy with a chance of rain showers. Highs around 56. Thursday Night: Partly cloudy with a slight chance of rain showers. Lows around 44. Friday: Mostly sunny. Highs around 60. Friday Night: Clear. Lows 39 to 47. Saturday through Sunday Night: Mostly clear. Highs around 60. Lows 39 to 47. Monday: Partly cloudy. Highs around 60. |
| Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |
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