National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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COSUMNES RIVER - MCCONNELL (MCNC1)
Latitude: 38.36º NLongitude: 121.34º WElevation: 5 Feet
Location: Sacramento County in CaliforniaRiver Group: San Joaquin
Issuance Time: Jul 02 2015 at 7:22 AM PDTNext Issuance: Jul 03 2015 at 9:00 AM PDT
Monitor Stage: 40.0 FeetFlood Stage: 46.0 Feet
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*
2,370
43.05
Feb 10, 2014
2013*
4,332
37.23
Dec 3, 2012
2012*
7,715
41.07
Feb 27, 2007
2011*
19,014
44.80
Mar 17, 2011
2010*
5,224
38.62
Feb 27, 2010
 Historical High Stage/Flow Events (Period of Record - Jan 1952 to Present)
1997*
--
48.50
Jan 02, 1997
1986
--
47.10
Feb 18, 1986
2006*
36,209
47.02
Jan 01, 2006
1998*
--
46.56
Feb 04, 1998
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Mostly cloudy. A slight chance of showers and thunderstorms in the evening and then a slight chance of rain showers after midnight. Cooler. Lows 63 to 71. South winds 10 to 15 mph with gusts to around 25 mph.

Friday: Partly cloudy in the morning then clearing. Highs 93 to 101. Southwest winds up to 10 mph.

Friday Night: Mostly clear. Lows 62 to 70. South winds 10 to 15 mph.

Independence Day: Mostly sunny. Highs 90 to 100. South winds around 10 mph.

Saturday Night: Mostly clear. Lows 60 to 68. South winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Sunday: Mostly sunny. Highs 89 to 99.

Sunday Night: Mostly clear. Lows 58 to 66.

Monday: Mostly sunny. Highs 87 to 97.

Monday Night through Thursday: Clear. Lows 55 to 64. Highs 87 to 97.
Impacts - E19 Information
43.0 FeetThe Cosumnes River overflow channel begins to flow.
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.

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.