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: Dec 10 2018 at 1:33 PM PSTNext Issuance: Dec 11 2018 at 9:00 AM PST
Monitor Stage: 76.8 FeetFlood Stage: 84.4 FeetDanger Stage: 85.4 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
2017*
15,300
80.98
Feb 20, 2017
2016*
667
77.39
Mar 14, 2016
2015*
3,794
78.60
Dec 13, 2014
2014*
0****
--
--
2013*
0****
--
--
 Historical High Stage/Flow Events (Period of Record - Jan 1931 to Present)**
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
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ016)
Tonight: Clear. Lows 35 to 43. Northwest winds 10 to 15 mph.

Tuesday: Mostly sunny. Highs 55 to 61. Northwest winds up to 10 mph.

Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 35 to 43. Light winds.

Wednesday: Partly cloudy in the morning then clearing. Highs around 59. Northwest winds 10 to 15 mph.

Wednesday Night: Partly cloudy. Lows 33 to 41. Northwest winds up to 10 mph.

Thursday: Partly cloudy. Highs around 57.

Thursday Night: Partly cloudy. Lows 34 to 42.

Friday and Friday Night: Mostly cloudy with a chance of rain. Highs around 56. Lows 34 to 44.

Saturday: Mostly cloudy with a slight chance of rain. Highs around 55.

Saturday Night: Mostly cloudy with a chance of rain. Lows around 44.

Sunday: Rain. Highs around 55.

Sunday Night: Rain likely. Lows around 44.

Monday: Mostly cloudy with a chance of rain. Highs around 56.
Impacts - E19 Information
76.8 FeetMoulton Weir crest elevation. Overflow begins into Butte Sink. River Road is flooded and closed.
89.2 FeetStages above 89.2 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.