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 CaliforniaRiver Group: Upper Sacramento
Issuance Time: Nov 26 2022 at 7:38 AM PSTNext Issuance: Nov 27 2022 at 9:00 AM PST
Monitor Stage: 76.2 FeetFlood Stage: 83.8 FeetDanger Stage: 84.8 Feet


Moulton Weir Location - Sacramento River Channel Stage/Flow (Estimated)
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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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2021*
0****
--
--
2020*
0****
--
--
2019*
8,410
79.75
Mar 1, 2019
2018*
0****
--
--
2017*
15,300
80.98
Feb 20, 2017
 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
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Sunny. Highs around 62. Light winds.

Tonight: Clear. Lows 33 to 41. Light winds becoming north up to 10 mph after midnight.

Monday: Patchy frost in the morning. Mostly sunny. Highs 55 to 61. Southwest winds up to 10 mph.

Monday Night: Mostly clear. Areas of frost after midnight. Lows 31 to 37. Northwest winds around 10 mph.

Tuesday: Widespread frost in the morning. Sunny. Highs around 55. North winds 10 to 15 mph.

Tuesday Night: Mostly clear. Widespread frost. Lows 29 to 37.

Wednesday: Mostly cloudy. Widespread frost. Highs around 54.

Wednesday Night: Mostly cloudy with a chance of rain showers. Lows 38 to 44.

Thursday: Rain showers likely. Highs 48 to 54.

Thursday Night: Mostly cloudy with a chance of rain showers. Lows 32 to 38.

Friday: Partly cloudy with a slight chance of rain showers. Highs around 50.

Friday Night: Partly cloudy with a chance of rain showers. Lows 32 to 38.

Saturday: Mostly cloudy with a chance of rain showers. Highs around 50.
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.
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.