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: Feb 23 2018 at 1:32 PM PSTNext Issuance: Feb 24 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
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: Clear. Lows 28 to 34. Northwest winds around 10 mph in the evening becoming light.

Saturday: Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs 54 to 60. South winds up to 10 mph.

Saturday Night: Partly cloudy in the evening then clearing. Lows 30 to 38. Southwest winds around 10 mph shifting to the northwest up to 10 mph after midnight.

Sunday: Patchy frost in the morning. Mostly sunny. Highs 57 to 63. Northwest winds up to 10 mph shifting to the southwest around 10 mph in the afternoon.

Sunday Night: Partly cloudy in the evening, then mostly cloudy with a chance of rain showers after midnight. Lows 36 to 42. South winds 10 to 15 mph.

Monday: Mostly cloudy with a chance of rain showers. Highs 50 to 55.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows 31 to 39.

Tuesday: Mostly sunny. Highs 56 to 62.

Tuesday Night and Wednesday: Partly cloudy. Lows 32 to 38. Highs 54 to 60.

Wednesday Night: Mostly cloudy with a slight chance of rain showers. Lows 36 to 42.

Thursday and Thursday Night: Rain showers likely. Highs around 54. Lows 36 to 43.

Friday: Mostly cloudy with a chance of rain showers. Highs 52 to 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.