West Valley Reservoir Weather Forecast

    • 53
    • 91

    Increasing Clouds

    • 55
    • 86

    Cloudy

    • 51
    • 82

    Chance Rain Showers

    • 51
    • 83

    Chance Thunderstorms

    • 50
    • 88

    Mostly Sunny

    • 51
    • 90

    Mostly Sunny

    • 52
    • 91

    Partly Sunny

Today 11 Jul Modoc County

Sunny early this afternoon then becoming partly cloudy. Highs in the mid 80s to lower 90s. Southwest Winds 10 to 20 Mph.

Tonight 11 Jul Modoc County

Partly cloudy early this evening then becoming mostly cloudy. Patchy smoke after midnight. Lows in the mid 50s to lower 60s. Southwest Winds 10 to 20 Mph shifting to the northwest 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Valley Reservoir Temperature Statistics

July Temperature

Alturas (21.1 miles)

  • Lowest 1 July, 2026

    38.6 °F

  • Average July

    67.9 °F

  • Highest 4 July, 2026

    93.7 °F

Climate (2021–2026)

Alturas (21.1 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.8 °F
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