Big Arm Weather Forecast

    • 46
    • 56

    Chance Rain

    • 47
    • 70

    Partly Sunny

    • 49
    • 71

    Partly Sunny

    • 46
    • 66

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

Today 10 Jun Flathead/Mission Valleys

Cloudy with a 50 percent chance of rain Showers. Highs in the 50s. West Winds to 15 Mph.

Tonight 10 Jun Flathead/Mission Valleys

Mostly cloudy. A 20 percent chance of rain Showers in the evening. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (34.8 miles)

  • Lowest 8 June, 2026

    37 °F

  • Average June

    53.5 °F

  • Highest 5 June, 2026

    73.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.8 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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