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 24 2019 at 8:16 AM PDTNext Issuance: May 25 2019 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)
Today: Mostly cloudy in the morning then clearing. Highs 71 to 77. Southwest winds up to 10 mph.

Tonight: Partly cloudy in the evening, then cloudy with a chance of rain showers after midnight. Lows around 52. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday: Mostly cloudy with a chance of rain showers. Highs 61 to 67. South winds 10 to 15 mph. Gusts up to 30 mph in the morning.

Sunday Night: Mostly cloudy with a slight chance of rain showers. Lows around 49. Southeast winds up to 10 mph.

Memorial Day: Mostly cloudy. Highs 68 to 74. South winds up to 10 mph.

Monday Night: Partly cloudy. Lows around 52.

Tuesday: Mostly sunny. Warmer. Highs 76 to 84.

Tuesday Night: Mostly clear. Lows around 56.

Wednesday and Wednesday Night: Partly cloudy. Highs 78 to 84. Lows around 56.

Thursday through Friday: Mostly clear. Highs 78 to 86. Lows around 57.
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.