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: Oct 20 2018 at 9:33 AM PDTNext Issuance: Oct 21 2018 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
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)
Tonight: Clear. Lows 44 to 54. Light winds.

Sunday: Sunny. Highs around 83. Light winds.

Sunday Night: Clear. Lows 43 to 53. South winds up to 10 mph.

Monday: Sunny. Highs around 79. Light winds.

Monday Night: Clear. Lows 45 to 53. South winds up to 10 mph.

Tuesday: Mostly sunny. Highs around 77.

Tuesday Night: Mostly clear. Lows 45 to 53.

Wednesday: Partly cloudy. Highs around 77.

Wednesday Night: Mostly cloudy. Lows 46 to 55.

Thursday through Friday: Partly cloudy. Highs around 80. Lows 47 to 57.

Friday Night and Saturday: Mostly clear. Lows 48 to 58. Highs around 82.
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.