Big Arm Weather Forecast

    • 39
    • 47

    Rain/Snow Likely

    • 45
    • 51

    Rain Likely

    • 42
    • 54

    Rain Likely

    • 32
    • 49

    Snow Likely

    • 29
    • 42

    Snow Likely

    • 35
    • 44

    Snow Likely

Today 6 Mar Flathead/Mission Valleys

Mostly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs in the 40s.

Tonight 6 Mar Flathead/Mission Valleys

Mostly cloudy. A 50 percent chance of rain and snow after midnight. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm Temperature Statistics

March Temperature

Kalispell, Glacier Park International Airport (34.8 miles)

  • Lowest 2 March, 2026

    18 °F

  • Average March

    35.7 °F

  • Highest 3 March, 2026

    55 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.8 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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