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 16, 2025 at 6:47 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 Water Year Trend Plot
Tabular View  |  Select a Different Water Year:  

TRINITY R - TRINITY LAKE (CEGC1) 06/16/2025Median Forecast: 1640 kaf | 141% of Mean | 146% of Median

Combination chart with 14 data series.
Created: 06/16/2025 at 06:47 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 until early afternoon then becoming partly cloudy. Highs 65 to 80.

Tonight: Partly cloudy. Lows 34 to 44.

Sunday: Sunny. Highs 73 to 88.

Sunday Night: Mostly clear. Lows 43 to 53.

Monday: Sunny. Highs 84 to 99.

Monday Night: Partly cloudy. Lows 49 to 59.

Tuesday through Thursday Night: Mostly clear. Highs 88 to 103. Lows 50 to 60.

Friday: Sunny. Highs 88 to 103.