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| Latitude: 39.24º N | Longitude: 121.99º W | Elevation: 62 Feet | |
| Location: Colusa County in California | River Group: Upper Sacramento | ||
| Monitor Stage: 60.9 Feet | Flood Stage: 70.1 Feet | Danger Stage: 71.1 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the California Department of Water Resources. |
Historical Stage/Flow Data |
|||
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2024 |
34,400 |
67.27 |
Feb 21, 2024 |
2023 |
26,500 |
66.60 |
Mar 16, 2023 |
2022 |
0**** |
-- |
-- |
2021 |
0**** |
-- |
-- |
2020 |
0**** |
-- |
-- |
| Historical High Stage/Flow Events (Period of Record - January 1911 to Present) - Ranked by Flow | |||
1940 |
-- |
70.60* |
Mar 1, 1940 |
1958 |
83,600 |
68.80*** |
Feb 21, 1958 |
1983 |
81,500 |
68.96** |
Mar 4, 1983 |
1997 |
71,000 |
68.85 |
Jan 3, 1997 |
1965 |
77,400 |
68.50 |
Jan 7, 1965 |
1943 |
-- |
68.30 |
Jan 24, 1943 |
| * Peak prior to regulation by Shasta Dam | |||
| ** Peak after regulation by Shasta Dam | |||
| *** Peak also occurred on Feb 26th | |||
| **** No weir flow observed during the entire water year | |||
| ***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.9 ft and must be applied to all data before date to convert to NAVD88 | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Tonight: Clear. Lows 55 to 63. Southeast winds up to 10 mph. Sunday: Sunny. Highs around 93. Southeast winds up to 10 mph. Sunday Night: Clear. Lows 58 to 66. South winds up to 10 mph. Monday: Sunny. Highs around 94. Southeast winds up to 10 mph. Monday Night: Clear. Lows 57 to 63. South winds up to 15 mph. Tuesday: Sunny. Highs around 90. Tuesday Night: Clear. Lows 58 to 64. Wednesday and Wednesday Night: Clear. Highs around 94. Lows 59 to 69. Thursday through Saturday: Clear. Highs around 100. Lows 63 to 73. |
| Flood Impacts | |
| 73.9 Feet | Stages above 73.9 feet result in major flooding. Top of levee. |
| 60.9 Feet | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |
| 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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