Big Sage Reservoir Weather Forecast

    • 38
    • 67

    Mostly Sunny

    • 38
    • 65

    Increasing Clouds

    • 40
    • 65

    Chance Rain

    • 41
    • 64

    Rain Showers Likely

    • 39
    • 58

    Rain Showers Likely

    • 33
    • 55

    Rain Likely

    • 31
    • 50

    Chance Snow

Today 6 Apr Modoc County

Mostly cloudy then becoming partly cloudy early this afternoon then becoming sunny. Highs in the mid 60s to lower 70s. South Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 6 Apr Modoc County

Mostly clear. Lows around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

April Temperature

Alturas (9.3 miles)

  • Lowest 3 April, 2026

    17.7 °F

  • Average April

    43.1 °F

  • Highest 4 April, 2026

    69.1 °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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