Louise Lake Weather Forecast

    • 33
    • 46

    Increasing Clouds

    • 22
    • 41

    Breezy

    • 20
    • 29

    Chance Snow

    • 15
    • 26

    Chance Snow

    • 18
    • 26

    Slight Chance Snow

    • 24
    • 34

    Mostly Cloudy

Today 24 Oct Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 45 to 55. South Winds 5 to 15 Mph.

Tonight 24 Oct Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows 30 to 40. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Louise Lake Temperature Statistics

October Temperature

Ennis - Big Sky Airport (29.2 miles)

  • Lowest 6 October, 2025

    23 °F

  • Average October

    45.1 °F

  • Highest 10 October, 2025

    71.6 °F

Climate (2020–Present)

Ennis - Big Sky Airport (29.2 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.6 °F
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