Big Arm State Park Weather Forecast

    • 13
    • 28

    Increasing Clouds

    • 26
    • 33

    Mostly Cloudy

    • 27
    • 37

    Mostly Cloudy

    • 31
    • 37

    Mostly Cloudy

    • 33
    • 41

    Mostly Cloudy

    • 36
    • 43

    Slight Chance Rain/Snow

Today 25 Jan Flathead/Mission Valleys

Partly cloudy. Highs in the 20s.

Tonight 25 Jan Flathead/Mission Valleys

Mostly clear. Lows 3 to 10.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm State Park Temperature Statistics

January Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 23 January, 2026

    7 °F

  • Average January

    28.1 °F

  • Highest 12 January, 2026

    46.7 °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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