West Valley Reservoir Weather Forecast

    • 46
    • 81

    Mostly Sunny

    • 44
    • 83

    Mostly Sunny

    • 40
    • 73

    Mostly Sunny

    • 38
    • 67

    Mostly Cloudy

    • 38
    • 68

    Chance Rain

    • 37
    • 71

    Mostly Sunny

Today 30 Aug Modoc County

Sunny. Highs in the mid 70s to lower 80s. Northeast Winds around 5 Mph shifting to the west late in the afternoon.

Tonight 30 Aug Modoc County

Mostly clear. Lows in the mid 40s to lower 50s. Northwest Winds around 5 Mph shifting to the southeast after midnight.

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West Valley Reservoir Temperature Statistics

August Temperature

Alturas (21.1 miles)

  • Lowest 16 August, 2026

    38.6 °F

  • Average August

    70 °F

  • Highest 7 August, 2026

    101.6 °F

Climate (2021–2026)

Alturas (21.1 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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