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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: Apr 30 2016 at 8:27 AM PDTNext Issuance: May 01 2016 at 9:00 AM PDT
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
2014
0****
--
--
2013
13,400
66.10
Dec 3, 2012
2012
0****
--
--
2011
49,388
67.83
Mar 22, 2011
2010
30,554
66.64
Jan 27, 2010
 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: Sunny and breezy. Highs 78 to 84. Northwest winds 15 to 25 mph with gusts to around 40 mph.

Tonight: Clear. Lows 53 to 59. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Sunday: Sunny. Highs 82 to 88. North winds 10 to 15 mph.

Sunday Night: Clear. Lows 52 to 58. Northwest winds around 10 mph in the evening becoming light.

Monday: Mostly sunny. Highs 82 to 87. Southeast winds up to 10 mph.

Monday Night: Mostly clear. Lows 51 to 57.

Tuesday: Mostly sunny. Highs 79 to 85.

Tuesday Night: Mostly clear. Lows 53 to 59.

Wednesday: Mostly cloudy with a slight chance of showers and thunderstorms. Highs around 77.

Wednesday Night: Mostly cloudy. Lows around 52.

Thursday through Friday: Mostly cloudy with a slight chance of rain showers. Highs 74 to 79. Lows around 53.
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.