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: Feb 26 2015 at 1:41 PM PSTNext Issuance: Feb 27 2015 at 9:00 AM PST
Monitor Stage: 40.0 FeetFlood Stage: 46.0 Feet
Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
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
2009*
12,156
43.05
Mar 04, 2009
 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: Partly cloudy in the evening then becoming mostly cloudy. Lows 42 to 48. Northwest winds 10 to 15 mph with gusts to around 30 mph shifting to the southwest after midnight.

Friday: Mostly cloudy. A slight chance of rain showers in the morning and then a chance of rain showers in the afternoon. Highs 59 to 65. South winds around 10 mph.

Friday Night: Mostly cloudy with a chance of rain showers. Lows around 43. South winds up to 10 mph with gusts to around 20 mph.

Saturday: Mostly cloudy. A chance of rain showers in the morning and then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 58 to 64. South winds up to 10 mph.

Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain showers. Lows 39 to 45. Southwest winds up to 10 mph shifting to the northwest after midnight.

Sunday: Mostly sunny. Highs 61 to 67.

Sunday Night: Clear. Lows 37 to 45.

Monday through Tuesday: Partly cloudy with a slight chance of rain showers. Highs 59 to 66. Lows 37 to 45.

Tuesday Night through Thursday: Mostly clear. Lows 35 to 43. Highs 60 to 69.
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.