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: Jan 18 2022 at 1:46 PM PSTNext Issuance: Jan 19 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
2020*
0****
--
--
2019*
8,410
79.75
Mar 1, 2019
2018*
0****
--
--
2017*
15,300
80.98
Feb 20, 2017
2016*
667
77.39
Mar 14, 2016
 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: Patchy fog in the morning. Mostly sunny. Highs 59 to 66. North winds 10 to 15 mph.

Tonight: Mostly clear. Lows 39 to 47. North winds 10 to 15 mph with gusts to around 25 mph.

Thursday: Mostly sunny. Highs 60 to 66. North winds 10 to 15 mph.

Thursday Night: Mostly clear. Lows 39 to 47. Northwest winds 10 to 15 mph.

Friday: Mostly sunny. Breezy. Highs around 64. North winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.

Friday Night: Mostly clear. Lows 41 to 47.

Saturday: Mostly sunny. Highs around 64.

Saturday Night through Monday: Clear. Lows 36 to 42. Highs 59 to 65.

Monday Night and Tuesday: Mostly clear. Lows 37 to 42. Highs 60 to 65.
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.