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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 | ||||||
Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
10% | 4.0 | 3.9 | 5.7 | 11.0 | 17.3 | 32.1 |
25% | 4.0 | 3.7 | 5.5 | 10.6 | 12.4 | 21.8 |
50% | 3.9 | 3.6 | 5.3 | 10.5 | 10.8 | 11.2 |
75% | 3.9 | 3.5 | 5.2 | 10.3 | 10.6 | 8.3 |
90% | 3.9 | 3.5 | 5.2 | 10.3 | 10.5 | 8.2 |
Mean | 2.7 | 2.3 | 3.8 | 8.7 | 11.0 | 15.6 |
%Mean | 144.4 | 156.5 | 139.5 | 120.7 | 98.2 | 71.8 |
Prob | Jan | Feb | Mar | Apr | May | Jun |
10% | 30.6 | 34.1 | 38.2 | 29.4 | 29.5 | 18.4 |
25% | 22.8 | 26.3 | 27.4 | 17.7 | 13.4 | 10.9 |
50% | 15.1 | 14.9 | 17.3 | 10.1 | 4.4 | 1.9 |
75% | 9.4 | 11.2 | 12.1 | 6.3 | 1.1 | 0.0 |
90% | 7.6 | 9.6 | 9.7 | 4.4 | 0.1 | 0.0 |
Mean | 17.7 | 17.3 | 17.8 | 10.3 | 8.2 | 5.4 |
%Mean | 85.3 | 86.1 | 97.2 | 98.1 | 53.7 | 35.2 |
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. |