Big Arm State Park Weather Forecast

    • 36
    • 55

    Partly Sunny

    • 36
    • 56

    Partly Sunny

    • 41
    • 50

    Mostly Cloudy

    • 40
    • 50

    Rain Likely

    • 32
    • 45

    Chance Rain

    • 30
    • 43

    Partly Sunny

    • 31
    • 42

    Partly Sunny

Today 5 Feb Flathead/Mission Valleys

Partly cloudy. Highs in the 50s.

Tonight 5 Feb Flathead/Mission Valleys

Partly cloudy. Lows in the mid 20s to lower 30s.

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Big Arm State Park Temperature Statistics

February Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 1 February, 2026

    28 °F

  • Average February

    37.4 °F

  • Highest 3 February, 2026

    48 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (33.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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