West Valley Reservoir Weather Forecast

    • 38
    • 66

    Sunny

    • 41
    • 74

    Mostly Sunny

    • 41
    • 69

    Sunny

    • 41
    • 67

    Partly Sunny

    • 44
    • 72

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

Today 20 May Modoc County

Sunny. Highs in the lower 60s to lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 20 May Modoc County

Mostly clear. Lows in the mid 30s to lower 40s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Valley Reservoir Temperature Statistics

May Temperature

Alturas (21.1 miles)

  • Lowest 15 May, 2025

    28.9 °F

  • Average May

    51.3 °F

  • Highest 9 May, 2025

    81.6 °F

Climate (2020–Present)

Alturas (21.1 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.3 °F
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