7-Day Zone Forecast for Mountains Southwestern Shasta County to Western Colusa County (Text-Only)
NWS Forecast for: Mountains Southwestern Shasta County to Western Colusa County
Issued by: National Weather Service Sacramento, CA
Last Update: 122 PM PST Wed Dec 3 2025


Tonight: Mostly clear. Lows 36 to 46. Prevailing northwest winds up to 10 mph.

Thursday: Mostly sunny. Not as cool. Highs 49 to 64. Prevailing north winds up to 10 mph.

Thursday Night: Mostly clear. Lows 40 to 50. Prevailing northwest winds up to 10 mph.

Friday: Mostly sunny. Highs 49 to 63 higher elevations...around 65 lower elevations. Prevailing northwest winds up to 10 mph.

Friday Night: Mostly clear. Lows 39 to 49. Prevailing west winds up to 10 mph.

Saturday: Partly cloudy with a slight chance of rain showers. Highs 48 to 63.

Saturday Night: Partly cloudy with a slight chance of rain showers. Lows 40 to 50.

Sunday And Sunday Night: Partly cloudy. Highs 49 to 64. Lows 40 to 50.

Monday And Monday Night: Mostly clear. Highs 51 to 66. Lows 40 to 51.

Tuesday Through Wednesday: Partly cloudy. Highs 52 to 67. Lows 41 to 53.







Zone Forecast: Mountains Southwestern Shasta County to Western Colusa County

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