Big Sage Reservoir Weather Forecast

    • 28
    • 62

    Mostly Sunny

    • 31
    • 56

    Partly Sunny

    • 39
    • 68

    Partly Sunny

    • 38
    • 70

    Partly Sunny

    • 41
    • 69

    Partly Sunny

    • 37
    • 62

    Chance Rain

Today 25 Mar Modoc County

Sunny. Highs in the lower to mid 60s. Southwest Winds 10 to 15 Mph increasing to 15 to 20 Mph late in the afternoon.

Tonight 25 Mar Modoc County

Partly cloudy in the evening then clearing. Lows in the mid 20s to lower 30s. West Winds 10 to 20 Mph shifting to the north 10 to 15 Mph 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

    20.6 °F

  • Average March

    46.6 °F

  • Highest 20 March, 2026

    82.7 °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

    64.9 °F
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