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: Jan 21 2017 at 10:17 AM PSTNext Issuance: Jan 22 2017 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
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
2011*
19,014
44.80
Mar 17, 2011
 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: Rain showers in the morning, then rain showers and a slight chance of thunderstorms in the afternoon. Very windy. Some thunderstorms may produce small hail in the afternoon. Highs 49 to 55. South winds 25 to 40 mph with gusts to around 65 mph decreasing to 10 to 20 mph with gusts to around 30 mph in the afternoon.

Tonight: Rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Some thunderstorms may produce small hail in the evening. Lows around 40. South winds 10 to 20 mph.

Monday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs around 50. South winds 10 to 15 mph.

Monday Night: Mostly cloudy. Rain showers likely in the evening, then a chance of rain showers after midnight. Lows around 38. Southeast winds around 10 mph.

Tuesday: Mostly cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Highs around 52. North winds 10 to 15 mph.

Tuesday Night: Mostly clear. Lows around 35.

Wednesday: Mostly sunny. Highs around 52.

Wednesday Night: Mostly clear. Lows around 38.

Thursday through Friday: Mostly clear. Patchy dense fog. Highs around 54. Lows around 38.

Friday Night: Clear. Lows around 38.

Saturday: Mostly sunny. Highs around 56.
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.