Deadhorse Flat Reservoir Weather Forecast

    • 34
    • 63

    Mostly Sunny

    • 34
    • 65

    Mostly Sunny

    • 41
    • 72

    Mostly Sunny

    • 41
    • 71

    Sunny

    • 40
    • 72

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

Today 19 May Modoc County

Partly cloudy. Highs in the lower to mid 60s. Southwest Winds 5 to 10 Mph shifting to the northwest 10 to 15 Mph in the late morning and afternoon.

Tonight 19 May Modoc County

Mostly clear. Lows in the mid 30s. West Winds 10 to 20 Mph shifting to the northwest 5 to 10 Mph late in the evening and overnight.

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Deadhorse Flat Reservoir Temperature Statistics

May Temperature

Alturas (23.6 miles)

  • Lowest 1 May, 2025

    29.8 °F

  • Average May

    51.7 °F

  • Highest 9 May, 2025

    81.6 °F

Climate (2020–Present)

Alturas (23.6 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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