Louise Lake Weather Forecast

    • 39
    • 58

    Rain Showers Likely

    • 43
    • 62

    Slight Chance Thunderstorms

    • 45
    • 67

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 45
    • 68

    Slight Chance Rain Showers

    • 45
    • 69

    Mostly Sunny

Today 22 Jul Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy with slight chance of rain Showers in the Morning, then mostly cloudy with chance of Thunderstorms in the afternoon. Highs 65 to 75. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 22 Jul Gallatin and Madison County Mountains and Centennial Mountains

Colder. Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 40 to 50. West Winds 5 to 15 Mph shifting to the east up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Louise Lake Temperature Statistics

July Temperature

Ennis - Big Sky Airport (29.2 miles)

  • Lowest 5 July, 2025

    42.8 °F

  • Average July

    67.3 °F

  • Highest 14 July, 2025

    93.2 °F

Climate (2020–Present)

Ennis - Big Sky Airport (29.2 miles)

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  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.7 °F
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