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 29 2020 at 8:24 AM PDTNext Issuance: May 30 2020 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
2019*
13,200
42.04
Feb 15, 2019
2018*
24,200
42.92
Mar 23, 2018
2017*
33,900
43.99
Jan 11, 2017
2016*
6,626
40.20
Mar 14, 2016
2015*
5,766
39.31
Feb 9, 2015
 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. A chance of rain showers and a slight chance of thunderstorms after midnight. Breezy. Lows 55 to 63. South winds 10 to 25 mph.

Saturday: Rain showers likely and a slight chance of thunderstorms. Not as warm. Highs 68 to 76. South winds 10 to 20 mph.

Saturday Night: Mostly clear. Lows around 56. Southwest winds up to 15 mph. Gusts up to 25 mph in the evening.

Sunday: Partly cloudy in the morning then becoming mostly cloudy. Highs 77 to 82. Northwest winds around 10 mph.

Sunday Night: Mostly cloudy. Lows 57 to 63. Southwest winds up to 10 mph.

Monday: Mostly cloudy. Highs 79 to 85.

Monday Night: Mostly cloudy. Lows 58 to 64.

Tuesday and Tuesday Night: Mostly clear. Highs 87 to 92. Lows 58 to 65.

Wednesday: Partly cloudy. Highs 90 to 95.

Wednesday Night through Thursday Night: Mostly clear. Lows 55 to 64. Highs 88 to 95.

Friday: Mostly sunny. Highs 80 to 85.
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.