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



TUOLUMNE RIVER - NEW DON PEDRO RESERVOIR (NDPC1)
Latitude: 37.70º NLongitude: 120.42º WElevation: 272 Feet
Location: Tuolumne County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Dec 08, 2025 at 7:36 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
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 Files (Data in kcfs):  Forecast Group  |  NDPC1

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Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Widespread fog and locally dense in the morning, then patchy fog early in the afternoon. Mostly cloudy. Highs 48 to 55. Light winds.

Tonight: Partly cloudy in the evening then becoming mostly cloudy. Lows around 42. Light winds.

Tuesday: Mostly cloudy. Highs 51 to 59. Light winds.

Tuesday Night: Partly cloudy. Lows 41 to 47. Light winds.

Wednesday: Mostly cloudy in the morning then becoming partly cloudy. Highs 55 to 62. Light winds.

Wednesday Night: Mostly clear. Lows 42 to 48.

Thursday: Partly cloudy. Highs 56 to 62.

Thursday Night: Mostly clear. Lows 42 to 48.

Friday: Partly cloudy. Highs 56 to 62.

Friday Night: Mostly clear. Lows 42 to 48.

Saturday and Saturday Night: Partly cloudy. Highs 56 to 62. Lows 42 to 48.

Sunday: Mostly cloudy. Highs around 58.