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TUOLUMNE RIVER - NEW DON PEDRO RESERVOIR (NDPC1)
Latitude:
37.70º N
Longitude:
120.42º W
Elevation:
272 Feet
Location: Tuolumne County in CA
River Group: San Joaquin
Issuance Time: Jan 12 2026 at 7:49 AM PST
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.
2026 Seasonal Trend Plot (Year View)Tabular View  |  Select a Different Water Year:  
Note: The chart below functions better in landscape orientation.

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Patchy fog early in the morning. Areas of fog late in the morning. Mostly sunny. Highs around 58. Light winds.

Tonight: Mostly clear. Patchy fog after midnight. Lows 37 to 43. Light winds.

Tuesday: Partly cloudy in the morning then clearing. Patchy dense fog. Highs around 58. Light winds.

Tuesday Night: Clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows 38 to 44. Light winds.

Wednesday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs 55 to 61. Light winds.

Wednesday Night: Mostly clear. Patchy fog. Lows around 43.

Thursday: Partly cloudy. Patchy fog. Highs around 59.

Thursday Night through Saturday Night: Mostly clear. Lows around 44. Highs around 60.

Sunday: Partly cloudy. Patchy fog. Highs around 59.