West Valley Reservoir Weather Forecast

    • 25
    • 53

    Increasing Clouds

    • 18
    • 46

    Mostly Sunny

    • 17
    • 42

    Sunny

    • 24
    • 47

    Partly Sunny

    • 26
    • 48

    Partly Sunny

    • 30
    • 50

    Partly Sunny

Today 22 Jan Modoc County

Sunny. Highs in the lower to mid 50s. Northeast Winds around 5 Mph shifting to the northwest in the late morning and afternoon.

Tonight 22 Jan Modoc County

Partly cloudy. Lows in the mid 20s to lower 30s. Northwest Winds around 5 Mph.

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West Valley Reservoir Temperature Statistics

January Temperature

Alturas (21.1 miles)

  • Lowest 9 January, 2026

    9 °F

  • Average January

    37.8 °F

  • Highest 14 January, 2026

    59 °F

Climate (2021–Present)

Alturas (21.1 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.5 °F
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