National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SACRAMENTO RIVER - MOULTON WEIR (CLSC1)
Latitude: 39.34º NLongitude: 122.02º WElevation: 76 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Nov 11 2024 at 8:29 AM PSTNext Issuance: Nov 12 2024 at 9:00 AM PST
Action/Monitor: 76.2 FeetMinor Flood: 83.8 FeetModerate Flood: 87.6 FeetMajor Flood: 88.6 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
Moulton Weir Location - Sacramento River Channel Stage/Flow (Estimated)
Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above.
Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View California Department of Water Resources Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023*
4,380
78.18
Mar 16, 2023
2022*
0****
--
--
2021*
0****
--
--
2020*
0****
--
--
2019*
8,410
79.75
Mar 1, 2019
 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
1958*
44,200
84.62***
Feb 26, 1958
1983*
35,300
83.71
Mar 3, 1983
1956* 29,900 83.15 Jan 16, 1956
 * 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
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
88.6 FeetStages above 89.2 feet result in major flooding of areas outside the levees. Top of levee.
76.2 FeetMoulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed.
Official 7 Day National Weather Service Forecast   (CAZ016)
Tonight: Mostly clear. A slight chance of rain showers in the evening. Patchy fog after midnight. Colder. Lows 37 to 43. Light winds.

Tuesday: Partly cloudy in the morning then clearing. Highs around 59. Light winds.

Tuesday Night: Partly cloudy. Lows 38 to 46. Light winds.

Wednesday: A chance of rain showers in the morning, then rain showers in the afternoon. Highs around 55. Southeast winds 10 to 15 mph with gusts to around 30 mph.

Wednesday Night: Mostly cloudy. Rain showers in the evening, then a chance of rain showers after midnight. Lows 41 to 49. Southeast winds up to 15 mph. Gusts up to 25 mph in the evening.

Thursday: Mostly cloudy with a chance of rain showers. Highs around 58.

Thursday Night: Mostly cloudy with a chance of rain showers. Lows 37 to 45.

Friday: Mostly cloudy with a chance of rain showers. Highs 52 to 57.

Friday Night: Partly cloudy with a slight chance of rain showers. Lows 33 to 41.

Saturday: Mostly sunny. Patchy frost. Highs around 57.

Saturday Night: Mostly clear. Lows 32 to 40.

Sunday: Partly cloudy with a chance of rain showers. Highs around 54.

Sunday Night and Monday: Mostly cloudy with a chance of rain showers. Lows 35 to 41. Highs around 56.
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.