National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

COSUMNES RIVER - MCCONNELL (MCNC1)
Latitude: 38.36º NLongitude: 121.34º WElevation: 5 Feet
Location: Sacramento County in CaliforniaRiver Group: San Joaquin
Issuance Time: Sep 17 2021 at 7:52 AM PDTNext Issuance: Sep 18 2021 at 9:00 AM PDT
Monitor Stage: 40.0 FeetFlood Stage: 46.0 Feet

Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
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
2020*
6,890
38.18
Apr 6, 2020
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
 Historical High Stage/Flow Events (Period of Record - Jan 1952 to Present) - Ranked by Flow
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: Sunny. Highs 84 to 90. South winds up to 10 mph.

Tonight: Clear. Lows 49 to 57. South winds 10 to 15 mph.

Saturday: Mostly sunny. Highs 74 to 80. South winds 10 to 15 mph with gusts to around 25 mph.

Saturday Night: Partly cloudy with a slight chance of rain showers in the evening, then mostly cloudy with a chance of rain showers after midnight. Lows 56 to 62. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday: Mostly cloudy with a chance of rain showers in the morning, then partly cloudy in the afternoon. Highs 74 to 80. South winds around 10 mph shifting to the west in the afternoon. Gusts up to 20 mph.

Sunday Night: Mostly clear. Lows 52 to 62.

Monday: Sunny, warmer. Highs 85 to 91.

Monday Night and Tuesday: Clear. Lows 54 to 64. Highs 85 to 95.

Tuesday Night through Wednesday Night: Mostly clear. Lows 55 to 65. Highs 87 to 95.

Thursday: Sunny. Highs around 88.
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.