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



TRINITY RIVER - TRINITY LAKE (CEGC1)
Latitude: 40.80º NLongitude: 122.76º WElevation: 2370 Feet
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 30, 2025 at 8:14 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 Water Year Accumulated Volume PlotCSV Ensemble Files (Data in kcfs):  Forecast Group  |  CEGC1

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability Nov 1
2024
Dec 1
2024
Jan 1
2025
Feb 1
2025
Mar 1
2025
Apr 1
2025
May 1
2025
Jun 1
2025
Jul 1
2025
Aug 1
2025
Sep 1
2025
Oct 1
2025
10% -- -- -- -- -- -- -- -- 1570 1610 1620 1630
25% -- -- -- -- -- -- -- -- 1570 1600 1620 1630
50%
(Median)
-- -- -- -- -- -- -- -- 1570 1600 1620 1630
75% -- -- -- -- -- -- -- -- 1570 1600 1620 1630
90% -- -- -- -- -- -- -- -- 1570 1600 1620 1630

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ107)
Today: Partly cloudy in the morning then becoming mostly cloudy. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs 90 to 105.

Tonight: Mostly cloudy in the evening then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 56 to 66.

Wednesday: Sunny. Highs 89 to 104.

Wednesday Night: Mostly clear. Lows 50 to 60.

Thursday: Sunny. Highs 81 to 96.

Thursday Night through Friday Night: Mostly clear. Lows 47 to 57. Highs 81 to 96.

Saturday: Sunny. Highs 83 to 98.

Saturday Night: Mostly clear. Lows 50 to 60.

Sunday: Sunny. Highs 87 to 102.

Sunday Night: Mostly clear. Lows 52 to 62.

Monday: Sunny. Highs 90 to 105.