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: 700 AM PST Wed Jan 21 2026
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Today: Mostly cloudy. Highs 49 to 62. Light winds.

Tonight: Mostly cloudy. Lows 42 to 52. Light winds.

Thursday: Mostly cloudy in the morning then becoming mostly sunny. Warmer. Highs 49 to 63 higher elevations...62 to 67 lower elevations. Light winds.

Thursday Night: Clear, colder. Lows 37 to 47. Light winds.

Friday: Sunny. Highs 45 to 60 higher elevations...59 to 65 lower elevations. Prevailing north winds up to 10 mph.

Friday Night: Clear. Lows 33 to 45.

Saturday: Sunny. Highs 46 to 61.

Saturday Night: Mostly clear. Lows 32 to 42.

Sunday And Sunday Night: Mostly cloudy. Highs 43 to 58. Lows 32 to 43.

Monday And Monday Night: Partly cloudy. Highs 44 to 59. Lows 33 to 44.

Tuesday: Mostly cloudy. Highs 45 to 60.







Zone Forecast: Mountains Southwestern Shasta County to Western Colusa County

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