Big Sage Reservoir Weather Forecast

    • 47
    • 81

    Increasing Clouds

    • 48
    • 82

    Breezy

    • 39
    • 66

    Chance Rain

    • 40
    • 69

    Slight Chance Rain

    • 38
    • 69

    Mostly Sunny

    • 37
    • 65

    Partly Sunny

Today 11 May Modoc County

Partly cloudy early this morning then becoming sunny. Highs in the lower to mid 80s. Northeast Winds around 5 Mph shifting to the southeast late this Morning, then shifting to the southwest 10 to 15 Mph this afternoon.

Tonight 11 May Modoc County

Partly cloudy. Lows in the mid 40s to lower 50s. Southwest Winds around 15 Mph decreasing to 5 to 10 Mph in the late evening and early Morning, then shifting to the south well after midnight.

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Big Sage Reservoir Temperature Statistics

May Temperature

Alturas (9.3 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    57.9 °F

  • Highest 6 May, 2026

    79.6 °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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