West Valley Reservoir Weather Forecast

    • 29
    • 57

    Sunny

    • 32
    • 55

    Sunny

    • 32
    • 55

    Sunny

    • 30
    • 57

    Mostly Sunny

    • 31
    • 56

    Mostly Sunny

    • 32
    • 55

    Mostly Sunny

Today 15 Jan Modoc County

Sunny. Highs in the lower 50s to lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 15 Jan Modoc County

Mostly clear. Lows in the lower 20s to lower 30s. Northeast Winds 5 to 10 Mph.

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West Valley Reservoir Temperature Statistics

January Temperature

Alturas (21.1 miles)

  • Lowest 9 January, 2026

    9 °F

  • Average January

    35.6 °F

  • Highest 12 January, 2026

    54 °F

Climate (2021–Present)

Alturas (21.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.5 °F
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