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

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MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1)
Latitude: 38.62º NLongitude: 120.70º WElevation: 1821 Feet
Location: El Dorado County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: Sep 09 2024 at 7:35 AM PDTNext Issuance: Sep 10 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
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.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ067)
Today: Mostly sunny. Highs 81 to 89. Light winds becoming southwest up to 10 mph in the afternoon.

Tonight: Clear, cooler. Lows 52 to 62. Light winds.

Wednesday: Sunny. Highs 73 to 83. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night: Clear. Lows 50 to 58. Prevailing southwest winds up to 10 mph in the evening becoming light.

Thursday: Sunny. Highs 75 to 85. Prevailing northeast winds up to 10 mph shifting to the west in the afternoon.

Thursday Night: Clear. Lows 54 to 62.

Friday: Sunny. Highs 78 to 88.

Friday Night and Saturday: Mostly clear. Lows 55 to 65. Highs 78 to 89.

Saturday Night and Sunday: Clear. Lows 54 to 64. Highs 76 to 89.

Sunday Night: Mostly clear. Lows 52 to 60.

Monday: Partly cloudy with a slight chance of rain showers. Highs 67 to 77.
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.