Big Arm State Park Weather Forecast

    • 37
    • 54

    Decreasing Clouds

    • 35
    • 55

    Partly Sunny

    • 37
    • 56

    Partly Sunny

    • 41
    • 50

    Mostly Cloudy

    • 39
    • 50

    Chance Rain

    • 33
    • 45

    Chance Rain

    • 31
    • 44

    Mostly Cloudy

Today 4 Feb Flathead/Mission Valleys

Mostly cloudy. Patchy fog in the morning. Highs in the mid 40s to lower 50s. Southwest Winds to 15 Mph.

Tonight 4 Feb Flathead/Mission Valleys

Mostly cloudy. Patchy fog after midnight. Lows in the upper 20s to mid 30s.

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  • Temperature Real-Time

Big Arm State Park Temperature Statistics

February Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 1 February, 2026

    28 °F

  • Average February

    37.6 °F

  • Highest 1 February, 2026

    46.9 °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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