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| Latitude: 39.24º N | Longitude: 121.99º W | Elevation: 62 Feet | |
| Location: Colusa County in California | River Group: Upper Sacramento | ||
| Issuance Time: | Apr 14 2021 at 8:37 AM PDT | Next Issuance: | Apr 15 2021 at 9:00 AM PDT |
| Monitor Stage: 60.9 Feet | Flood Stage: 70.1 Feet | Danger Stage: 71.1 Feet |
| Colusa Weir Location - Sacramento River Channel Stage/Flow (Estimated) |
| 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 | |||
2019 |
44,300 |
68.74 |
Feb 16, 2019 |
2018 |
5,430 |
64.80 |
Apr 8, 2018 |
2017 |
43,300 |
68.68 |
Feb 19, 2017 |
2016 |
23,033 |
67.14 |
Mar 14, 2016 |
2015 |
21,147 |
66.96 |
Dec 13, 2014 |
| Historical High Stage/Flow Events (Period of Record - January 1911 to Present) | |||
1940 |
-- |
70.60* |
Mar 1, 1940 |
1983 |
81,500 |
68.96** |
Mar 4, 1983 |
1997 |
71,000 |
68.85 |
Jan 3, 1997 |
1958 |
83,600 |
68.80*** |
Feb 21, 1958 |
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) |
| Today: Sunny. Highs 72 to 78. South winds up to 10 mph. Tonight: Clear. Lows 44 to 52. Southeast winds up to 10 mph shifting to the northeast after midnight. Friday: Sunny. Highs 79 to 85. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. Friday Night: Clear. Lows 47 to 55. North winds around 10 mph with gusts to around 20 mph. Saturday: Sunny. Highs 82 to 87. North winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Saturday Night: Clear. Lows 49 to 57. Sunday: Sunny. Highs 87 to 92. Sunday Night: Clear. Lows 51 to 57. Monday and Monday Night: Mostly clear. Highs 85 to 91. Lows 51 to 57. Tuesday through Wednesday: Mostly clear. Highs 79 to 86. Lows 50 to 57. |
| Impacts - E19 Information | |
| 60.9 Feet | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |
| 73.9 Feet | Stages above 73.9 feet result in major flooding. Top of levee. |
| 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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