Big Sage Reservoir Weather Forecast

    • 34
    • 47

    Rain/Snow

    • 28
    • 40

    Rain/Snow

    • 21
    • 36

    Snow Likely

    • 15
    • 34

    Partly Sunny

    • 17
    • 38

    Mostly Sunny

    • 21
    • 42

    Mostly Sunny

Today 24 Dec Modoc County

Mostly cloudy with rain Showers likely. Snow level 5500 feet lowering to 5000 feet in the afternoon. Highs in the mid 40s to lower 50s. Windy. South Winds 25 to 35 Mph with Gusts to around 55 Mph decreasing to 15 to 25 Mph with Gusts to around 40 Mph in the afternoon. Chance of Showers 60 percent.

Tonight 24 Dec Modoc County

Rain and snow Showers. Snow level 4900 feet rising to 5500 feet after midnight. Snow accumulation up to 1 inch. Lows in the lower to mid 30s. Breezy. Southeast Winds 15 to 25 Mph with Gusts to around 40 Mph. Chance of precipitation 80 percent.

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Big Sage Reservoir Temperature Statistics

December Temperature

Alturas (9.3 miles)

  • Lowest 1 December, 2025

    15.1 °F

  • Average December

    44.1 °F

  • Highest 10 December, 2025

    64 °F

Climate (2020–Present)

Alturas (9.3 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    64.4 °F
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