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SILVER CREEK - UNION VALLEY RESERVOIR (UNVC1)
Latitude:
38.86º N
Longitude:
120.44º W
Elevation:
4870 Feet
Location: El Dorado County in CA
River Group: Lower Sacramento
Issuance Time: Jul 06 2025 at 7:54 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
Monthly Probability Plot
Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 06 2025 at 8:02 AM PDT
ProbJul*AugSepOctNovDec
10%1.51.01.311.019.443.4
25%1.40.80.82.07.315.1
50%1.40.70.51.22.65.2
75%1.40.70.40.81.11.9
90%1.40.70.40.60.90.8
Mean5.00.90.62.36.911.9
%Mean28.077.883.352.237.743.7
ProbJanFebMarAprMayJun
10%28.438.339.547.476.059.0
25%17.819.527.338.057.731.1
50%7.99.620.529.236.310.2
75%3.35.916.423.119.24.2
90%1.63.69.720.710.72.6
Mean14.817.024.232.437.720.8
%Mean53.456.584.790.196.349.0
Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %)
Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast.

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ069)
Today: Sunny, warmer. Highs 69 to 84 higher elevations and 79 to 89 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Tonight: Clear. Lows 46 to 61 higher elevations and 56 to 68 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light.

Monday: Sunny. Highs 69 to 84 higher elevations and 80 to 90 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Monday Night: Clear. Lows 45 to 60 higher elevations and 55 to 67 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light.

Tuesday: Sunny. Highs 66 to 81 higher elevations and 77 to 87 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Tuesday Night: Clear. Lows 47 to 62.

Wednesday: Sunny. Highs 70 to 85.

Wednesday Night through Saturday: Clear. Lows 52 to 67. Highs 74 to 89.