Smiley Mountain Weather Forecast

    • 14
    • 22

    Mostly Sunny

    • 10
    • 23

    Partly Sunny

    • 12
    • 23

    Partly Sunny

    • 10
    • 21

    Mostly Cloudy

    • 6
    • 17

    Partly Sunny

    • 9
    • 19

    Partly Sunny

    • 13
    • 21

    Partly Sunny

Today 19 Jan Big Lost Highlands/Copper Basin

Sunny. Highs 28 to 38.

Tonight 19 Jan Big Lost Highlands/Copper Basin

Mostly clear. Lows 8 to 18.

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Smiley Mountain Temperature Statistics

January Temperature

Hailey, Friedman Memorial Airport (28 miles)

  • Lowest 9 January, 2026

    14 °F

  • Average January

    30.2 °F

  • Highest 13 January, 2026

    51.8 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (28 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    56.2 °F
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