Big Sage Reservoir Weather Forecast

    • 35
    • 60

    Increasing Clouds

    • 34
    • 56

    Rain/Snow Likely

    • 33
    • 50

    Rain/Snow Likely

    • 33
    • 54

    Chance Rain

    • 35
    • 60

    Mostly Sunny

    • 38
    • 64

    Mostly Sunny

Today 24 Apr Modoc County

Sunny. Highs in the lower to mid 60s. North Winds 5 to 10 Mph shifting to the northwest late this afternoon.

Tonight 24 Apr Modoc County

Mostly clear in the Evening, then partly cloudy with a chance of rain and snow after midnight. Lows in the mid 30s to lower 40s. West Winds 5 to 10 Mph. Chance of precipitation 10 percent.

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Big Sage Reservoir Temperature Statistics

April Temperature

Alturas (9.3 miles)

  • Lowest 17 April, 2026

    13.6 °F

  • Average April

    44.9 °F

  • Highest 5 April, 2026

    73.7 °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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