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TUOLUMNE RIVER - HETCH HETCHY RESERVOIR (HETC1)
Latitude:
37.95º N
Longitude:
119.79º W
Elevation:
3870 Feet
Location: Tuolumne 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.
10-Day Probability Plot




Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ323)
Today: Sunny. Highs 63 to 77. Southwest winds up to 15 mph with gusts to around 30 mph.

Tonight: Clear. Lows 40 to 56. Southwest winds up to 10 mph with gusts to around 25 mph shifting to the east after midnight.

Thursday: Sunny. Highs 68 to 80. East winds up to 10 mph shifting to the west in the afternoon.

Thursday Night: Clear. Lows 45 to 59. West winds 5 to 10 mph shifting to the east after midnight.

Friday: Sunny. Highs 69 to 83. East winds up to 10 mph shifting to the southwest in the afternoon.

Friday Night through Monday: Clear. Lows 46 to 62. Highs 71 to 84.

Monday Night: Mostly clear. Lows 48 to 62.

Tuesday: Sunny. Highs 71 to 83.