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SACRAMENTO RIVER - COLUSA WEIR (CLAC1)
Latitude: 39.24º NLongitude: 121.99º WElevation: 62 Feet
Location: Colusa County in CaliforniaRiver Group: Upper Sacramento
Issuance Time: Dec 05 2016 at 7:56 AM PSTNext Issuance: Dec 05 2016 at 3:00 PM PST
Monitor Stage: 61.8 FeetFlood Stage: 71.0 FeetDanger Stage: 72.0 Feet

Colusa 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
2015
21,147
66.96
Dec 13, 2014
2014
0****
--
--
2013
13,400
66.10
Dec 3, 2012
2012
0****
--
--
2011
49,388
67.83
Mar 22, 2011
 Historical High Stage/Flow Events (Period of Record - January 1911 to Present)
1940
--
70.60*
Mar 1, 1940
1983
81,500
68.96**
Mar 4, 1983
1997
71,000
68.85
Jan 3, 1997
1958
83,600
68.80***
Feb 21, 1958
1965
77,400
68.50
Jan 7, 1965
1943
--
68.30
Jan 24, 1943
 * Peak prior to regulation by Shasta Dam
 ** Peak after regulation by Shasta Dam
 *** Peak also occurred on Feb 26th
 **** No weir flow observed during the entire water year
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Mostly sunny. Patchy fog in the morning. Highs around 54. North winds up to 10 mph.

Tonight: Mostly clear. Areas of frost. Lows 30 to 36. Northwest winds up to 10 mph.

Tuesday: Partly cloudy. Highs around 52. South winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 30 to 36. Light winds becoming northwest around 10 mph after midnight.

Wednesday: Partly cloudy in the morning then becoming mostly cloudy. Highs around 50. Northwest winds 10 to 15 mph.

Wednesday Night: Mostly cloudy with a chance of rain. Lows 35 to 41.

Thursday: Mostly cloudy with a chance of rain. Highs around 52.

Thursday Night: Rain likely. Lows 42 to 50.

Friday: Mostly cloudy with a chance of rain. Highs around 56.

Friday Night: Partly cloudy with a chance of rain showers. Lows around 43.

Saturday: Mostly cloudy with a slight chance of rain. Highs around 53.

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

Sunday: Mostly cloudy with a chance of rain. Highs around 52.
Impacts - E19 Information
61.8 FeetColusa Weir crest elevation. Overflow begins into the Sutter Bypass.
74.8 FeetStages above 74.8 feet result in major flooding. 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.