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: Nov 19 2017 at 8:16 AM PSTNext Issuance: Nov 20 2017 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
2016*
6,626
40.20
Mar 14, 2016
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
 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 cloudy. Lows around 49. Southeast winds up to 10 mph.

Monday: Cloudy with a chance of rain. Highs 58 to 64. Southeast winds up to 10 mph.

Monday Night: Mostly cloudy. A slight chance of rain showers in the evening. Lows around 51. North winds up to 10 mph.

Tuesday: Mostly cloudy. Highs around 68. North winds up to 10 mph in the morning becoming light.

Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 50 to 56. North winds up to 10 mph.

Wednesday: Mostly sunny. Highs around 70.

Wednesday Night: Partly cloudy. Lows 50 to 56.

Thanksgiving Day: Partly cloudy. Highs around 69.

Thursday Night through Saturday: Mostly cloudy with a slight chance of rain showers. Lows around 52. Highs 63 to 69.

Saturday Night: Mostly cloudy. Lows around 50.

Sunday: Mostly cloudy with a slight chance of rain showers. Highs 63 to 68.
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.