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: Apr 23 2017 at 8:13 AM PDTNext Issuance: Apr 24 2017 at 9:00 AM PDT
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 around 50. Southwest winds around 10 mph.

Monday: Mostly cloudy with a slight chance of rain. Highs 61 to 67. South winds 10 to 15 mph.

Monday Night: Mostly cloudy with a slight chance of rain showers. Lows around 50. Southwest winds 10 to 15 mph.

Tuesday: Mostly cloudy. Highs 65 to 70. South winds around 10 mph.

Tuesday Night: Mostly cloudy. Lows around 53. Southwest winds around 10 mph.

Wednesday: Mostly cloudy with a slight chance of rain showers. Highs 69 to 74.

Wednesday Night: Partly cloudy. Lows around 51.

Thursday: Partly cloudy. Highs 70 to 76.

Thursday Night through Friday Night: Mostly clear. Breezy. Lows 48 to 54. Highs 69 to 76.

Saturday: Mostly sunny. Breezy. Highs 74 to 80.

Saturday Night: Clear. Lows 49 to 55.

Sunday: Mostly sunny. Highs around 81.
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.