Big Sage Reservoir Weather Forecast

    • 32
    • 54

    Partly Sunny

    • 36
    • 57

    Mostly Cloudy

    • 39
    • 54

    Rain Likely

    • 35
    • 53

    Chance Rain

    • 29
    • 51

    Chance Rain

    • 31
    • 56

    Mostly Cloudy

    • 29
    • 49

    Chance Rain/Snow

Today 26 Feb Modoc County

Partly cloudy. Highs in the lower 50s to lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 26 Feb Modoc County

Partly cloudy. Patchy fog after midnight. Lows in the lower to mid 30s. West Winds 5 to 10 Mph shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

February Temperature

Alturas (9.3 miles)

  • Lowest 18 February, 2026

    6.7 °F

  • Average February

    37.1 °F

  • Highest 4 February, 2026

    67.6 °F

Climate (2021–Present)

Alturas (9.3 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    64.7 °F
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