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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


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 06, 2025 at 8:17 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 Trend Plot
Tabular View  |  Select a Different Water Year:  

TRINITY R - TRINITY LAKE (CEGC1) 06/06/2025Median Forecast: 1650 kaf | 142% of Mean | 147% of Median

Combination chart with 14 data series.
Created: 06/06/2025 at 08:17 AM PDT
The chart has 1 X axis displaying Water Year 2025 - Day (mm/dd). Range: 2024-09-27 20:38:24 to 2025-10-04 03:21:36.
The chart has 2 Y axes displaying Water Year Volumes (1000s Ac-Ft) and Daily Observed Volumes (1000s Ac-Ft).
End of interactive chart.
Text Products (RNOHFSOSV and RNOHFSWYV)
Raw ESP Water Year Streamflow Volumes Tracker
Water Year Streamflow Volume Accumulation Forecast

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ107)
Today: Sunny. Highs 93 to 108.

Tonight: Clear. Lows 57 to 67.

Sunday: Sunny. Slight chance of rain showers in the afternoon. Highs 95 to 110.

Sunday Night: Mostly clear. Slight chance of showers and thunderstorms. Lows 58 to 68.

Monday: Mostly sunny. Slight chance of showers and thunderstorms. Highs 96 to 111.

Monday Night: Partly cloudy. Slight chance of showers and thunderstorms. Lows 56 to 66.

Tuesday and Tuesday Night: Mostly clear. Highs 90 to 105. Lows 53 to 63.

Wednesday and Wednesday Night: Mostly clear. Highs 84 to 99. Lows 48 to 58.

Thursday through Friday: Mostly clear. Highs 77 to 92. Lows 44 to 54.