Graven Reservoir Weather Forecast

    • 23
    • 35

    Snow

    • 27
    • 35

    Snow

    • 33
    • 37

    Snow Likely

    • 31
    • 47

    Rain/Snow

    • 19
    • 37

    Snow

    • 20
    • 38

    Partly Sunny

    • 26
    • 42

    Mostly Cloudy

Today 13 Mar Modoc County

Mostly cloudy. Chance of snow Showers this Morning, then snow Showers likely this afternoon. Snow accumulation of 2 to 3 Inches. Highs in the mid 30s to lower 40s. Southwest Winds 10 to 15 Mph shifting to the west late this afternoon. Chance of snow 60 percent.

Tonight 13 Mar Modoc County

Mostly cloudy with a 30 percent chance of snow Showers. Lows in the lower to mid 20s. West Winds 10 to 15 Mph shifting to the south 5 to 10 Mph well after midnight.

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Graven Reservoir Temperature Statistics

March Temperature

Alturas (14.9 miles)

  • Lowest 8 March, 2025

    18 °F

  • Average March

    40.2 °F

  • Highest 1 March, 2025

    67.6 °F

Climate (2020–Present)

Alturas (14.9 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    64.2 °F
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