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: Dec 02 2016 at 1:02 PM PSTNext Issuance: Dec 03 2016 at 9:00 AM PST
Monitor Stage: 40.0 FeetFlood Stage: 46.0 Feet
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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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
2015*
5,766
39.31
Feb 9, 2015
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
 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 clear. Lows 34 to 44. North winds 10 to 15 mph with gusts to around 25 mph.

Saturday: Sunny. Highs 57 to 65. Northeast winds up to 10 mph in the morning becoming light. Gusts up to 25 mph.

Saturday Night: Clear. Lows 37 to 45. Light winds.

Sunday: Mostly sunny in the morning then becoming partly cloudy. Highs around 60. Light winds.

Sunday Night: Partly cloudy. Lows 39 to 45. Light winds.

Monday: Partly cloudy. Highs around 55.

Monday Night: Partly cloudy. Colder. Lows 31 to 37.

Tuesday through Wednesday: Mostly clear. Highs around 54. Lows 29 to 37.

Wednesday Night: Partly cloudy. Lows 32 to 38.

Thursday: Mostly cloudy with a slight chance of rain showers. Highs around 54.

Thursday Night: Mostly cloudy with a slight chance of rain. Lows 37 to 43.

Friday: Mostly cloudy with a chance of rain. Highs around 54.
Impacts - E19 Information
39.0 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.