Deadhorse Flat Reservoir Weather Forecast

    • 51
    • 80

    Slight Chance Thunderstorms

    • 54
    • 85

    Mostly Sunny

    • 54
    • 86

    Chance Thunderstorms

    • 52
    • 82

    Slight Chance Thunderstorms

    • 52
    • 79

    Slight Chance Thunderstorms

    • 53
    • 81

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

Today 22 Jul Modoc County

Sunny early this Morning, then a 20 percent chance of Thunderstorms in the late morning and afternoon. Highs in the mid 70s to lower 80s. Southwest Winds around 5 Mph shifting to the west late this afternoon.

Tonight 22 Jul Modoc County

Mostly clear. A 10 percent chance of Thunderstorms this evening. Lows around 50. Southwest Winds 10 to 15 Mph shifting to the south around 5 Mph well after midnight.

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Deadhorse Flat Reservoir Temperature Statistics

July Temperature

Alturas (23.6 miles)

  • Lowest 5 July, 2025

    40.6 °F

  • Average July

    71.3 °F

  • Highest 13 July, 2025

    101.6 °F

Climate (2020–Present)

Alturas (23.6 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    64.5 °F
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