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: Dec 10 2018 at 1:40 PM PSTNext Issuance: Dec 11 2018 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
2017*
33,900
43.99
Jan 11, 2017
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
 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 sunny in the morning then becoming partly cloudy. Areas of fog and locally dense in the morning. Highs 55 to 61. Light winds becoming northwest up to 10 mph in the afternoon. Gusts up to 20 mph.

Tonight: Partly cloudy. Patchy fog after midnight. Lows 37 to 43. Southeast winds up to 10 mph.

Wednesday: Patchy fog in the morning. Mostly sunny. Highs around 60. Northwest winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 33 to 41. North winds around 10 mph in the evening becoming light.

Thursday: Mostly sunny. Highs around 59. Light winds.

Thursday Night: Mostly clear. Lows 37 to 43.

Friday: Mostly cloudy with a chance of rain. Highs around 58.

Friday Night: Mostly cloudy with a chance of rain showers. Lows 38 to 44.

Saturday: Mostly cloudy. Highs around 58.

Saturday Night: Mostly cloudy with a slight chance of rain. Lows around 44.

Sunday and Sunday Night: Rain likely. Highs around 57. Lows 40 to 46.

Monday: Mostly cloudy with a chance of rain showers. Highs around 58.
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.