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| Latitude: 39.34º N | Longitude: 122.02º W | Elevation: 76 Feet | |
| Location: Colusa County in California | River Group: Upper Sacramento | ||
| Monitor Stage: 76.2 Feet | Flood Stage: 83.8 Feet | Danger Stage: 84.8 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the California Department of Water Resources. |
Historical Stage/Flow Data |
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Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months. |
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Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
| 2025* | 10,516 | 79.57 | Feb 07, 2025 |
| 2024* | 3,940 | 78.05 | Feb 21, 2024 |
| 2023* | 4,380 | 78.18 | Mar 16, 2023 |
| 2022* | 0**** | -- | -- |
| 2021* | 0**** | -- | -- |
| Historical High Stage/Flow Events (Period of Record - Jan 1931 to Present)** - Ranked by Flow | |||
| 1942 | 53,900 | 83.80*** | Feb 7, 1942 |
| 1958* | 45,300 | 84.65*** | Feb 20, 1958 |
| 1940* | 45,300 | 84.69*** | Feb 28, 1940 |
| 1941* | 42,200 | 84.44*** | Feb 12, 1941 |
| 1983* | 35,300 | 83.71*** | Mar 3, 1983 |
| 1938* | 33,500 | 83.52*** | Dec 12, 1937 |
| * Discharge affected by regulation or diversion. ** Peak flow before regulation by Shasta Dam began in 1943 *** Old datum. The difference is -2.85 ft and must be applied to data to convert from NGVD29 to NAVD88 **** No weir flow observed during the entire water year ***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.6 ft and must be applied to all data before date to convert to NAVD88 |
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| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Today: Sunny. Highs around 69. Light winds. Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows around 48. Light winds. Wednesday: Mostly cloudy. A chance of rain in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 60 to 66. South winds up to 10 mph. Wednesday Night: Clear. Lows 40 to 45. Northwest winds up to 10 mph. Thursday: Sunny, breezy. Highs around 63. North winds 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. Gusts up to 35 mph. Thursday Night: Clear. Lows 43 to 49. Friday: Sunny, breezy. Highs around 67. Friday Night: Clear. Lows 46 to 52. Saturday through Sunday: Mostly clear. Highs around 75. Lows 46 to 53. Sunday Night and Monday: Partly cloudy. Lows around 50. Highs around 74. |
| Flood Impacts | |
| 88.6 Feet | Stages above 89.2 feet result in major flooding of areas outside the levees. Top of levee. |
| 76.2 Feet | Moulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed. |
| 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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