Big Arm Weather Forecast

    • 41
    • 57

    Chance Rain Showers

    • 51
    • 68

    Chance Rain

    • 45
    • 62

    Rain Showers

    • 43
    • 58

    Rain Showers Likely

    • 45
    • 64

    Partly Sunny

    • 48
    • 69

    Chance Rain Showers

Today 7 Jun Flathead/Mission Valleys

Mostly cloudy. Slight chance of rain in the Morning, then chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 50s to lower 60s. Southwest Winds 15 to 20 Mph.

Tonight 7 Jun Flathead/Mission Valleys

Partly cloudy. Lows in the 30s to lower 40s. South Winds to 15 Mph.

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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 5 June, 2026

    37.9 °F

  • Average June

    54.2 °F

  • Highest 3 June, 2026

    71.7 °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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