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



SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude: 40.65º NLongitude: 123.49º WElevation: 1211 Feet
Location: Trinity County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jul 11, 2025 at 8:18 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  |  HYMC1

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% -- -- -- -- -- -- -- -- -- 1560 1570 1580
25% -- -- -- -- -- -- -- -- -- 1560 1570 1570
50%
(Median)
-- -- -- -- -- -- -- -- -- 1560 1570 1570
75% -- -- -- -- -- -- -- -- -- 1560 1570 1570
90% -- -- -- -- -- -- -- -- -- 1560 1570 1570

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ108)
Tonight: Clear. Haze and patchy smoke overnight. Lows 60 to 70.

Saturday: Sunny. Highs 93 to 108.

Saturday Night: Clear. Lows 60 to 70.

Sunday: Sunny. Highs 93 to 108.

Sunday Night and Monday: Clear. Lows 61 to 71. Highs 93 to 108.

Monday Night and Tuesday: Clear. Lows 60 to 70. Highs 93 to 108.

Tuesday Night: Mostly clear. Lows 57 to 67.

Wednesday through Friday: Clear. Highs 84 to 99. Lows 54 to 64.