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 CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Dec 11, 2023 at 7:46 AM PST
Monitor Stage: 38.5 FeetFlood Stage: 44.5 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble File Download (Data in kcfs):  MCNC1
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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Impacts - E19 Information
41.5 FeetThe Cosumnes River overflow channel begins to flow.
46.5 FeetAt approximately 44,000 cfs, water exits the river 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.
Official 7 Day National Weather Service Forecast   (CAZ017)
Today: Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs 56 to 62. Light winds.

Tonight: Clear. Lows 33 to 43. Light winds.

Tuesday: Patchy frost in the morning. Mostly sunny. Highs 57 to 65. North winds up to 10 mph with gusts to around 25 mph.

Tuesday Night: Clear. Lows 32 to 42. North winds up to 10 mph with gusts to around 20 mph.

Wednesday: Areas of frost in the morning. Mostly sunny. Highs around 59. North winds up to 10 mph.

Wednesday Night: Partly cloudy. Lows 34 to 43.

Thursday: Mostly cloudy. Highs 57 to 63.

Thursday Night through Friday Night: Mostly cloudy. Lows 35 to 45. Highs 58 to 64.

Saturday and Saturday Night: Mostly clear. Highs 60 to 66. Lows 36 to 46.

Sunday: Mostly cloudy with a chance of rain. Highs 57 to 63.