Big Sage Reservoir Weather Forecast

    • 37
    • 56

    Rain Showers

    • 34
    • 50

    Rain Showers

    • 31
    • 42

    Rain/Snow

    • 29
    • 45

    Chance Rain

    • 32
    • 51

    Partly Sunny

    • 31
    • 53

    Mostly Cloudy

Today 10 Apr Modoc County

Mostly cloudy. Chance of Thunderstorms in the Morning, then rain Showers likely and chance of Thunderstorms in the afternoon. Snow level 7000 feet in the afternoon. Highs in the mid 50s to lower 60s. South Winds 10 to 15 Mph. Chance of precipitation 60 percent.

Tonight 10 Apr Modoc County

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Snow level 6500 feet lowering to 6000 feet after midnight. Lows in the mid 30s to lower 40s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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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

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.9 °F
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