Big Sage Reservoir Weather Forecast

    • 31
    • 58

    Becoming Sunny

    • 36
    • 62

    Mostly Sunny

    • 35
    • 56

    Rain/Snow Likely

    • 33
    • 48

    Rain/Snow Likely

    • 32
    • 53

    Chance Rain

    • 35
    • 58

    Slight Chance Rain

Today 23 Apr Modoc County

Partly cloudy early this morning then clearing. Highs in the mid 50s to lower 60s. North Winds around 5 Mph.

Tonight 23 Apr Modoc County

Mostly clear. Lows in the lower to mid 30s. Northwest Winds around 5 Mph shifting to the north well after midnight.

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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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