Big Sage Reservoir Weather Forecast

    • 26
    • 54

    Decreasing Clouds

    • 28
    • 48

    Mostly Cloudy

    • 34
    • 59

    Mostly Cloudy

    • 34
    • 62

    Partly Sunny

    • 38
    • 62

    Mostly Cloudy

    • 38
    • 62

    Mostly Cloudy

Today 9 Mar Modoc County

Partly cloudy in the morning then clearing. Highs in the lower to mid 50s. Northwest Winds 10 to 15 Mph.

Tonight 9 Mar Modoc County

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 20s to lower 30s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

March Temperature

Alturas (9.3 miles)

  • Lowest 3 March, 2026

    26.1 °F

  • Average March

    41.2 °F

  • Highest 3 March, 2026

    61 °F

Climate (2021–Present)

Alturas (9.3 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.7 °F
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