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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
ProbJan
02
Jan
03
Jan
04
Jan
05
Jan
06
10%
(Max)
2.23.35.49.412.3
25%
 
1.22.03.15.77.9
50%
(Prob)
1.11.82.73.85.0
75%
 
0.91.52.23.24.3
90%
(Min)
0.81.31.82.73.4
RFC
FCST
1.11.82.53.64.6
ProbJan
07
Jan
08
Jan
09
Jan
10
Jan
11
10%
(Max)
15.218.821.122.824.3
25%
 
12.114.616.016.917.7
50%
(Prob)
6.08.08.89.810.5
75%
 
5.36.16.77.27.8
90%
(Min)
4.04.95.56.26.8

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.