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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: Jun 29 2025 at 7:47 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.
2025 Multi-Year Accumulated Volume Plot     Number of years to plot: CSV Ensemble Files (Data in kcfs):  Forecast Group  |  HETC1


Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ323)
Today: Sunny. Highs 65 to 79. South winds up to 5 mph shifting to the southwest 5 to 15 mph in the afternoon.

Tonight: Clear. Lows 43 to 57. Southwest winds up to 10 mph shifting to the east after midnight.

Tuesday: Sunny. Highs 64 to 78. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Gusts up to 25 mph.

Tuesday Night: Mostly clear. Lows 43 to 57. West winds 5 to 10 mph shifting to the northeast after midnight.

Wednesday: Sunny. Highs 63 to 77. Northeast winds up to 10 mph shifting to the southwest in the afternoon.

Wednesday Night and Thursday: Mostly clear. Lows 43 to 57. Highs 62 to 76.

Thursday Night: Colder. Mostly clear. Lows 38 to 52.

Independence Day through Sunday: Clear. Highs 58 to 76. Lows 38 to 54.