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: Jun 17 2018 at 8:05 AM PDTNext Issuance: Jun 18 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
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: Mostly clear. Lows around 54. South winds up to 15 mph.

Monday: Sunny, warmer. Highs 85 to 91. Southwest winds up to 10 mph.

Monday Night: Clear. Lows 56 to 64. South winds up to 10 mph.

Tuesday: Sunny. Highs 91 to 97. Southwest winds up to 10 mph.

Tuesday Night: Clear. Lows 58 to 66. South winds up to 10 mph.

Wednesday: Mostly sunny. Highs 92 to 100.

Wednesday Night: Mostly clear. Lows 56 to 64.

Thursday: Mostly sunny. Highs 95 to 100.

Thursday Night and Friday: Clear. Lows 56 to 66. Highs 95 to 103.

Friday Night through Sunday: Clear. Lows 62 to 71. Highs 98 to 104.
Impacts - E19 Information
39.0 FeetThe Cosumnes River overflow channel begins to flow.
40.0 FeetWater exits upstream and downstream of Highway 99. Dillard Road is flooded from Highway 99 to Riley Road. Twin Cities Road is flooded from Hardesty Lane to Christensen Road.
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.