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| CASTAIC CREEK - CASTAIC LAKE (CSKC1) | ||||||||||||||||||
| Latitude: 34.52º N | Longitude: 118.61º W | Elevation: 1515 Feet | ||||||||||||||||
| Location: Los Angeles County in CA | ||||||||||||||||||
| River Group: Southern California | ||||||||||||||||||
| Issuance Time: | Jan 01 2026 at 8:30 AM PST |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. |
| 10-Day Accumulated Volume Plot |

| Tabular 10-Day Streamflow Volume Accumulation (1000s of Acre-Feet) Data Updated: Jan 01 2026 at 8:36 AM PST | ||||||||||
| Prob | Jan 02 | Jan 03 | Jan 04 | Jan 05 | Jan 06 | |||||
| 10% (Max) | 2.2 | 3.3 | 5.4 | 9.4 | 12.3 | |||||
| 25% | 1.2 | 2.0 | 3.1 | 5.7 | 7.9 | |||||
| 50% (Prob) | 1.1 | 1.8 | 2.7 | 3.8 | 5.0 | |||||
| 75% | 0.9 | 1.5 | 2.2 | 3.2 | 4.3 | |||||
| 90% (Min) | 0.8 | 1.3 | 1.8 | 2.7 | 3.4 | |||||
| RFC FCST | 1.1 | 1.8 | 2.5 | 3.6 | 4.6 | |||||
| Prob | Jan 07 | Jan 08 | Jan 09 | Jan 10 | Jan 11 | |||||
| 10% (Max) | 15.2 | 18.8 | 21.1 | 22.8 | 24.3 | |||||
| 25% | 12.1 | 14.6 | 16.0 | 16.9 | 17.7 | |||||
| 50% (Prob) | 6.0 | 8.0 | 8.8 | 9.8 | 10.5 | |||||
| 75% | 5.3 | 6.1 | 6.7 | 7.2 | 7.8 | |||||
| 90% (Min) | 4.0 | 4.9 | 5.5 | 6.2 | 6.8 | |||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ088) |
| Today: Rain with a chance of thunderstorms in the morning, then a chance of rain in the afternoon. Highs around 60. East winds 10 to 20 mph shifting to the south in the afternoon. Tonight: Mostly cloudy. Lows in the mid to upper 40s. South winds 10 to 20 mph in the evening. Friday: Mostly cloudy. Highs in the lower 60s. Friday Night: Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the upper 40s to mid 50s. Saturday: A chance of rain in the morning, then rain in the afternoon. Highs around 60. South winds 10 to 20 mph. Saturday Night: Rain likely in the evening, then a chance of rain after midnight. Lows in the upper 40s to mid 50s. Chance of precipitation 60 percent. Sunday: A chance of rain in the morning, then rain likely in the afternoon. Highs around 60. Chance of precipitation 70 percent. Sunday Night: Rain likely. Lows around 50. Chance of precipitation 70 percent. Monday: Mostly cloudy with a 40 percent chance of rain. Highs around 60. Monday Night: Mostly cloudy with a 40 percent chance of rain. Lows in the mid to upper 40s. Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs in the mid to upper 50s. Tuesday Night: Mostly cloudy with a 30 percent chance of rain. Lows in the upper 30s to mid 40s. Wednesday: Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs around 60. Chance of precipitation 30 percent. |