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

 | 

SACRAMENTO RIVER - MOULTON WEIR (CLSC1)
Latitude: 39.34º NLongitude: 122.02º WElevation: 76 Feet
Location: Colusa County in CaliforniaRiver Group: Upper Sacramento
Monitor Stage: 76.2 FeetFlood Stage: 83.8 FeetDanger Stage: 84.8 Feet

Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

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: Mostly cloudy. A chance of rain showers late in the afternoon. Highs 53 to 59. Light winds becoming southeast 10 to 15 mph in the afternoon.

Tonight: Rain showers in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. Breezy. Lows 41 to 46. South winds 15 to 25 mph with gusts to around 45 mph.

Sunday: Mostly cloudy. A chance of rain showers in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 52 to 59. South winds 10 to 20 mph with gusts to around 30 mph.

Sunday Night: Mostly cloudy in the evening then clearing. Lows around 35. Northwest winds around 10 mph with gusts to around 20 mph.

Monday: Sunny. Highs around 58. North winds 10 to 20 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon.

Monday Night: Mostly clear. Lows 35 to 41.

Tuesday: Mostly cloudy. Highs around 58.

Tuesday Night: Mostly clear. Lows 35 to 41.

Wednesday through Thursday: Clear. Highs around 62. Lows 35 to 43.

Thursday Night and Friday: Mostly clear. Lows 37 to 43. Highs around 63.
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.