Big Sage Reservoir Weather Forecast

    • 32
    • 49

    Chance Rain

    • 26
    • 44

    Partly Sunny

    • 31
    • 50

    Mostly Cloudy

    • 31
    • 51

    Mostly Cloudy

    • 32
    • 50

    Mostly Cloudy

    • 31
    • 50

    Mostly Cloudy

Today 31 Oct Modoc County

Cloudy. A 40 percent chance of rain in the late morning and afternoon. Snow level 6000 feet. Highs in the mid 40s to lower 50s. South Winds 10 to 15 Mph.

Tonight 31 Oct Modoc County

Mostly cloudy with a 10 percent chance of rain. Lows in the lower to mid 30s. South Winds 5 to 10 Mph shifting to the northwest well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

October Temperature

Alturas (9.3 miles)

  • Lowest 12 October, 2026

    15.7 °F

  • Average October

    50.8 °F

  • Highest 3 October, 2026

    89.7 °F

Climate (2021–2026)

Alturas (9.3 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.9 °F
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