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: May 23 2017 at 7:24 AM PDTNext Issuance: May 23 2017 at 3:00 PM 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)
Today: Sunny. Highs 93 to 100. Southwest winds up to 10 mph.

Tonight: Clear. Lows 56 to 64. South winds around 10 mph.

Wednesday: Mostly sunny. Highs 83 to 91. South winds 10 to 15 mph.

Wednesday Night: Mostly clear. Lows 51 to 57. South winds 10 to 15 mph with gusts to around 25 mph.

Thursday: Sunny. Highs 76 to 84. South winds 10 to 15 mph.

Thursday Night: Mostly clear. Lows 50 to 56.

Friday: Sunny. Highs 75 to 83.

Friday Night through Saturday Night: Clear. Lows 51 to 59. Highs 76 to 86.

Sunday through Memorial Day: Mostly clear. Highs 84 to 94. Lows 52 to 62.
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.