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SANTA YNEZ RIVER - LAKE CACHUMA (CCHC1)

Latitude: 34.58º N	Longitude: 119.98º W	Elevation: 700 Feet
Location: Santa Barbara County in California		Bulletin Group: Southern California		River Group: Southern California

Issuance Time:

Nov 17, 2025 at 3:01 PM PST

Action/Monitor: N/A

Minor Flood: N/A

Moderate Flood: N/A

Major Flood: N/A

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Threshold Exceedance Plot Product Information

CSV Ensemble Files (Data in kcfs): Forecast Group | CCHC1

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Official 7 Day National Weather Service Forecast (CAZ348)

Today: Partly cloudy in the morning then mostly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms. Highs in the mid 50s to lower 60s. Chance of precipitation 40 percent.

Tonight: Partly cloudy. Lows in the upper 30s to mid 40s.

Wednesday: Partly cloudy. Highs in the mid 50s to lower 60s.

Wednesday Night: Partly cloudy in the evening then mostly cloudy. Lows in the upper 30s to mid 40s.

Thursday: A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 50s to around 60. West winds around 15 mph in the afternoon. Chance of precipitation 60 percent.

Thursday Night: Cloudy with a 50 percent chance of showers. Lows in the lower to mid 40s.

Friday: Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the upper 50s to mid 60s. Chance of precipitation 30 percent.

Friday Night: Partly cloudy. A 20 percent chance of showers in the evening. Lows in the lower to mid 40s.

Saturday: Partly cloudy in the morning then sunny. Highs in the mid 60s to lower 70s.

Saturday Night: Mostly clear. Lows in the lower to mid 40s.

Sunday: Partly cloudy in the morning then sunny. Highs in the mid 60s to lower 70s.

Sunday Night: Mostly clear. Patchy fog after midnight. Lows in the mid 40s.

Monday: Sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s.

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