Jumbo Mountain Weather Forecast

    • 54
    • 70

    Slight Chance Thunderstorms

    • 59
    • 75

    Mostly Sunny

    • 58
    • 81

    Breezy

    • 59
    • 76

    Partly Sunny

    • 56
    • 74

    Chance Thunderstorms

    • 53
    • 69

    Rain Showers Likely

    • 54
    • 69

    Chance Thunderstorms

Today 10 Jul Gallatin and Madison County Mountains and Centennial Mountains

Sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs 72 to 82. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 10 Jul Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Slight chance of Thunderstorms early in the Evening, then slight chance of rain Showers late in the evening. Lows 50 to 56. South Winds up to 10 Mph with Gusts to around 25 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jumbo Mountain Temperature Statistics

July Temperature

Ennis - Big Sky Airport (18.6 miles)

  • Lowest 1 July, 2026

    41 °F

  • Average July

    62.7 °F

  • Highest 5 July, 2026

    86 °F

Climate (2021–2026)

Ennis - Big Sky Airport (18.6 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    56.3 °F
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