Big Sage Reservoir Weather Forecast

    • 20
    • 41

    Becoming Sunny

    • 28
    • 54

    Mostly Sunny

    • 38
    • 63

    Partly Sunny

    • 40
    • 64

    Chance Rain

    • 35
    • 57

    Chance Rain/Snow

    • 34
    • 52

    Chance Rain/Snow

Today 16 Apr Modoc County

Partly cloudy until early afternoon then clearing. Highs in the lower to mid 40s. Northwest Winds 10 to 20 Mph.

Tonight 16 Apr Modoc County

Mostly clear. Lows in the lower to mid 20s. Northeast Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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Big Sage Reservoir Temperature Statistics

April Temperature

Alturas (9.3 miles)

  • Lowest 3 April, 2026

    17.7 °F

  • Average April

    45.6 °F

  • Highest 5 April, 2026

    73.7 °F

Climate (2021–Present)

Alturas (9.3 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    64.9 °F
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