Big Sage Reservoir Weather Forecast

    • 38
    • 68

    Partly Sunny

    • 36
    • 65

    Partly Sunny

    • 37
    • 54

    Chance Rain/Snow

    • 36
    • 57

    Chance Rain

    • 28
    • 50

    Rain

    • 25
    • 43

    Snow Likely

Today 28 Mar Modoc County

Partly cloudy then becoming sunny in the late morning and early afternoon then becoming partly cloudy. Highs in the mid 60s to lower 70s. South Winds around 5 Mph increasing to west 15 to 20 Mph in the late morning and afternoon.

Tonight 28 Mar Modoc County

Partly cloudy in the evening then clearing. Lows in the mid 30s to lower 40s. West Winds 10 to 20 Mph shifting to the northwest 5 to 10 Mph late in the Evening, then shifting to the south after midnight.

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Big Sage Reservoir Temperature Statistics

March Temperature

Alturas (9.3 miles)

  • Lowest 11 March, 2026

    20.6 °F

  • Average March

    47.5 °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

    49.7 °F

  • Average High 2021–2026

    64.9 °F
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