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SHASTA RIVER - YREKA (YREC1)
Latitude:
41.82º N
Longitude:
122.59º W
Elevation:
2000 Feet
Location: Siskiyou County in CA
River Group: North Coast
Issuance Time: Jul 07 2025 at 7:35 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.
Monthly Probability Plot
Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 07 2025 at 7:45 AM PDT
ProbJul*AugSepOctNovDec
10%4.03.95.711.017.332.1
25%4.03.75.510.612.421.8
50%3.93.65.310.510.811.2
75%3.93.55.210.310.68.3
90%3.93.55.210.310.58.2
Mean2.72.33.88.711.015.6
%Mean144.4156.5139.5120.798.271.8
ProbJanFebMarAprMayJun
10%30.634.138.229.429.518.4
25%22.826.327.417.713.410.9
50%15.114.917.310.14.41.9
75%9.411.212.16.31.10.0
90%7.69.69.74.40.10.0
Mean17.717.317.810.38.25.4
%Mean85.386.197.298.153.735.2
Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %)
Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast.

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ081)
rest of Tonight: Mostly clear. Isolated thunderstorms in the late evening and early morning. Lows in the lower to mid 60s. West winds around 5 mph shifting to the southeast after midnight.

Tuesday: Sunny. Isolated thunderstorms in the afternoon. Highs in the lower 80s to lower 90s. South winds 5 to 10 mph.

Tuesday Night: Mostly clear. Isolated thunderstorms in the evening. Lows in the mid 50s to lower 60s. West winds 5 to 10 mph shifting to the northwest after midnight, then shifting to the east well after midnight.

Wednesday: Sunny. A 10 percent chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. East winds around 5 mph shifting to the northwest in the afternoon.

Wednesday Night: Clear. Lows in the mid 50s to lower 60s. Northwest winds 5 to 10 mph shifting to the northeast well after midnight.

Thursday and Thursday Night: Clear. Highs in the lower 80s to lower 90s. Lows in the mid 50s to lower 60s.

Friday through Saturday: Clear. Highs in the mid 80s to mid 90s. Lows in the mid 50s to mid 60s.

Saturday Night: Mostly clear. Lows in the lower to mid 60s.

Sunday through Monday: Clear. Highs 90 to 100. Lows in the lower to mid 60s.