Elk Lake Weather Forecast

    • 43
    • 68

    Increasing Clouds

    • 43
    • 70

    Partly Sunny

    • 43
    • 70

    Mostly Sunny

    • 35
    • 63

    Chance Rain Showers

    • 36
    • 61

    Sunny

    • 41
    • 68

    Mostly Sunny

Today 18 Sep Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 60 to 70. Southwest Winds up to 10 Mph.

Tonight 18 Sep Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 40 to 50. Northwest Winds up to 10 Mph shifting to the south after midnight.

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Elk Lake Temperature Statistics

September Temperature

West Yellowstone (24.2 miles)

  • Lowest 6 September, 2025

    28.4 °F

  • Average September

    53.7 °F

  • Highest 3 September, 2025

    82.4 °F

Climate (2020–Present)

West Yellowstone (24.2 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    66.1 °F
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