Big Sage Reservoir Weather Forecast

    • 38
    • 74

    Sunny

    • 44
    • 78

    Mostly Sunny

    • 44
    • 78

    Partly Sunny

    • 33
    • 64

    Partly Sunny

    • 37
    • 62

    Partly Sunny

    • 39
    • 64

    Mostly Cloudy

Today 18 Mar Modoc County

Sunny. Highs in the lower 70s to lower 80s. South Winds 5 to 10 Mph shifting to the southwest 10 to 15 Mph late this afternoon.

Tonight 18 Mar Modoc County

Clear. Lows in the mid 30s to mid 40s. Southwest Winds 10 to 15 Mph shifting to the south 5 to 10 Mph well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

March Temperature

Alturas (9.3 miles)

  • Lowest 11 March, 2026

    21.9 °F

  • Average March

    45.8 °F

  • Highest 16 March, 2026

    72 °F

Climate (2021–Present)

Alturas (9.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.8 °F
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