Big Arm State Park Weather Forecast

    • 51
    • 73

    Increasing Clouds

    • 58
    • 78

    Mostly Cloudy

    • 55
    • 80

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 14 Jun Flathead/Mission Valleys

Mostly sunny. Highs in the 70s.

Tonight 14 Jun Flathead/Mission Valleys

Mostly clear. Lows in the 40s to lower 50s.

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  • Temperature Real-Time

Big Arm State Park Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 8 June, 2026

    36.6 °F

  • Average June

    54.1 °F

  • Highest 5 June, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (33.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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