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STANISLAUS RIVER - NEW MELONES RESERVOIR (NMSC1)
Latitude:
37.96º N
Longitude:
120.52º W
Elevation:
1400 Feet
Location: Calaveras County in CA
River Group: San Joaquin
Issuance Time: Jul 08 2025 at 9:53 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.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to Current Date at 12 UTC)
  Observed
05/13/2025
10.3kaf
  

Forecast
Peak 1-Day Streamflow Volume:
(Current Date at 12 UTC to August 1 at 12 UTC)
10% (Max)
07/09/2025
1.0kaf
25%
07/09/2025
1.0kaf
50% (Prob)
07/09/2025
1.0kaf
75%
07/09/2025
1.0kaf
90% (Min)
07/09/2025
1.0kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability07/08 to 07/1307/13 to 07/1807/18 to 07/2307/23 to 07/28
10%4.2 kaf2.9 kaf2.3 kaf2.0 kaf
25%4.1 kaf2.9 kaf2.3 kaf1.9 kaf
50%
(Median)
4.1 kaf2.9 kaf2.3 kaf1.9 kaf
75%4.1 kaf2.9 kaf2.3 kaf1.9 kaf
90%4.1 kaf2.9 kaf2.3 kaf1.9 kaf

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ067)
Tonight: Clear. Lows 54 to 64. Prevailing west winds up to 10 mph in the evening becoming light.

Wednesday: Sunny. Highs 83 to 93. Prevailing southwest winds up to 10 mph.

Wednesday Night: Clear. Lows 60 to 68. Prevailing west winds up to 10 mph in the evening becoming light.

Thursday: Sunny, warmer. Highs 89 to 101. Light winds becoming west up to 10 mph in the afternoon.

Thursday Night: Clear. Lows 64 to 72. Prevailing west winds up to 10 mph in the evening becoming light.

Friday: Sunny. Highs 91 to 101.

Friday Night: Clear. Lows 64 to 72.

Saturday through Tuesday: Clear. Highs 88 to 100. Lows 61 to 72.