West Valley Reservoir Weather Forecast

    • 32
    • 61

    Gradual Clearing

    • 26
    • 50

    Decreasing Clouds

    • 26
    • 51

    Partly Sunny

    • 27
    • 55

    Mostly Sunny

    • 24
    • 52

    Partly Sunny

    • 23
    • 48

    Slight Chance Rain/Snow

    • 23
    • 47

    Chance Snow

Today 25 Oct Modoc County

Mostly cloudy with a chance of snow in the Morning, then partly cloudy with a slight chance of rain and snow in the afternoon. Highs in the mid 40s to lower 50s.

Tonight 25 Oct Modoc County

Partly cloudy until well after Midnight, then a 30 percent chance of rain well after midnight. Snow level 6000 feet after midnight. Lows in the lower to mid 30s. Southwest Winds 10 to 15 Mph.

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West Valley Reservoir Temperature Statistics

October Temperature

Alturas (21.1 miles)

  • Lowest 12 October, 2026

    15.7 °F

  • Average October

    53.6 °F

  • Highest 3 October, 2026

    89.7 °F

Climate (2021–2026)

Alturas (21.1 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.9 °F
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