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 24 2015 at 8:31 AM PDTNext Issuance: Apr 25 2015 at 9:00 AM PDT
Monitor Stage: 40.0 FeetFlood Stage: 46.0 Feet
Verification - Historical Graphical RVF
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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)
Today: Mostly cloudy. A chance of rain in the morning and then a chance of rain showers in the afternoon. Highs 64 to 72. South winds around 10 mph in the morning becoming light.

Tonight: Mostly cloudy in the evening then becoming partly cloudy. Lows 44 to 50. South winds up to 10 mph.

Sunday: Mostly sunny. Warmer. Highs 76 to 82. Northwest winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Sunday Night: Mostly clear. Lows 47 to 57. Northwest winds around 10 mph.

Monday: Sunny and warmer. Highs 83 to 91. North winds up to 10 mph shifting to the northwest around 10 mph in the afternoon. Gusts up to 20 mph.

Monday Night: Clear. Lows 48 to 56.

Tuesday: Sunny. Highs 81 to 89.

Tuesday Night and Wednesday: Clear. Lows 47 to 55. Highs 79 to 89.

Wednesday Night through Friday: Mostly clear. Lows 46 to 53. Highs 76 to 86.
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.