Ennis Weather Forecast

    • 26
    • 47

    Chance Rain/Snow

    • 16
    • 41

    Slight Chance Snow

    • 27
    • 45

    Mostly Sunny

    • 28
    • 58

    Partly Sunny

    • 28
    • 53

    Partly Sunny

    • 37
    • 56

    Mostly Cloudy

Today 26 Oct Madison River Valley

Windy, cooler. Mostly cloudy in the morning then becoming partly cloudy. A 20 percent chance of snow. Highs in the mid 40s. Southwest Winds 20 to 30 Mph.

Tonight 26 Oct Madison River Valley

Breezy. Mostly cloudy with a 50 percent chance of snow. Lows 25 to 30. South Winds 15 to 25 Mph.

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Ennis Temperature Statistics

October Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 6 October, 2025

    23 °F

  • Average October

    45.2 °F

  • Highest 10 October, 2025

    71.6 °F

Climate (2020–Present)

Ennis - Big Sky Airport (6.2 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.7 °F
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