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: Feb 25 2024 at 7:16 AM PSTNext Issuance: Feb 26 2024 at 9:00 AM PST
Monitor Stage: 76.2 FeetFlood Stage: 83.8 FeetDanger Stage: 84.8 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 CA DWR 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
2022*
0****
--
--
2021*
0****
--
--
2020*
0****
--
--
2019*
8,410
79.75
Mar 1, 2019
2018*
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
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
76.2 FeetMoulton Weir crest elevation. Overflow begins into Butte Sink. River Road is flooded and closed.
88.6 FeetStages above 88.6 feet result in major flooding of areas outside the levees. Top of levee.
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Partly cloudy in the morning, then mostly cloudy with a slight chance of rain showers in the afternoon. Highs 61 to 66. South winds 10 to 15 mph with gusts to around 25 mph.

Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows around 39. Northwest winds 10 to 15 mph with gusts to around 25 mph.

Tuesday: Mostly sunny. Highs around 60. Northwest winds 10 to 15 mph with gusts to around 25 mph.

Tuesday Night: Mostly clear. Lows around 39. Northwest winds up to 10 mph.

Wednesday: Mostly sunny. Highs around 63. Light winds becoming southeast up to 10 mph in the afternoon.

Wednesday Night: Mostly cloudy. Lows around 47.

Thursday: Rain showers. Breezy. Highs 53 to 59.

Thursday Night: Rain showers. Breezy. Lows 43 to 49.

Friday: Rain showers. Breezy. Highs 51 to 57.

Friday Night and Saturday: Rain showers. Breezy. Lows 37 to 42. Highs 48 to 54.

Saturday Night and Sunday: Mostly cloudy with a chance of rain showers. Lows 33 to 38. Highs 50 to 55.
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.