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SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude:
40.65º N
Longitude:
123.49º W
Elevation:
1211 Feet
Location: Trinity County in CA
River Group: North Coast
Issuance Time: Jun 16 2025 at 6:37 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.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to Current Date at 12 UTC)
  Observed
04/02/2025
14.0kaf
  

Forecast
Peak 1-Day Streamflow Volume:
(Current Date at 12 UTC to August 1 at 12 UTC)
10% (Max)
06/17/2025
0.8kaf
25%
06/17/2025
0.8kaf
50% (Prob)
06/17/2025
0.8kaf
75%
06/17/2025
0.8kaf
90% (Min)
06/17/2025
0.8kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability06/16 to 06/2106/21 to 06/2606/26 to 07/0107/01 to 07/06
10%4.0 kaf3.6 kaf3.1 kaf2.8 kaf
25%4.0 kaf3.6 kaf3.1 kaf2.7 kaf
50%
(Median)
4.0 kaf3.6 kaf3.1 kaf2.7 kaf
75%4.0 kaf3.6 kaf3.1 kaf2.7 kaf
90%4.0 kaf3.6 kaf3.1 kaf2.7 kaf

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ108)
Today: Sunny. Highs 69 to 84.

Tonight: Partly cloudy. Lows 36 to 46.

Friday: Sunny. Highs 54 to 69.

Friday Night: Partly cloudy. Lows 33 to 43. Northwest wind around 20 mph with gusts at higher elevations to around 35 mph.

Saturday: Sunny. Highs 59 to 74.

Saturday Night through Sunday Night: Mostly clear. Lows 40 to 50. Highs 69 to 84.

Monday through Tuesday Night: Mostly clear. Highs 79 to 94. Lows 47 to 57.

Wednesday: Sunny. Highs 84 to 99.