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 26 2016 at 7:48 AM PDTNext Issuance: May 27 2016 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
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: Clear. Lows 53 to 61. Southwest winds around 10 mph with gusts to around 20 mph in the evening becoming light.

Friday: Mostly sunny. Highs 86 to 91. Northwest winds up to 15 mph with gusts to around 30 mph.

Friday Night: Mostly clear. Lows 55 to 63. Northwest winds up to 10 mph with gusts to around 25 mph.

Saturday: Mostly sunny. Highs 88 to 94. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the morning.

Saturday Night: Mostly clear. Lows 56 to 64. Northwest winds up to 10 mph in the evening becoming light.

Sunday: Sunny. Highs 89 to 96.

Sunday Night: Clear. Lows 57 to 65.

Memorial Day through Tuesday Night: Clear. Highs 91 to 99. Lows 55 to 65.

Wednesday through Thursday: Mostly clear. Highs 81 to 91. Lows 53 to 63.
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.