Grand Targhee Resort Weather Forecast

    • 44
    • 55

    Increasing Clouds

    • 43
    • 55

    Rain Showers Likely

    • 44
    • 55

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

    • 46
    • 59

    Partly Sunny

    • 44
    • 56

    Chance Rain Showers

Today 21 Sep Teton and Gros Ventre Mountains

Areas of fog this morning. Mostly sunny. Highs in the upper 50s.

Tonight 21 Sep Teton and Gros Ventre Mountains

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. South Winds around 10 Mph, becoming southeast after midnight.

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  • Temperature Real-Time

Grand Targhee Resort Temperature Statistics

September Temperature

Driggs, Driggs-Reed Memorial Airport (7.5 miles)

  • Lowest 15 September, 2026

    28.9 °F

  • Average September

    57.6 °F

  • Highest 5 September, 2026

    79 °F

Climate (2021–2026)

Driggs, Driggs-Reed Memorial Airport (7.5 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    53.8 °F
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