Big Arm Weather Forecast

    • 48
    • 70

    Chance Rain

    • 50
    • 72

    Partly Sunny

    • 44
    • 64

    Mostly Cloudy

    • 43
    • 61

    Slight Chance Thunderstorms

    • 48
    • 67

    Mostly Cloudy

    • 48
    • 67

    Chance Rain

Today 4 Jun Flathead/Mission Valleys

Partly cloudy. Chance of rain Showers and a slight chance of Thunderstorms in the Morning, then slight chance of rain in the afternoon. Chance of precipitation 40 percent. Highs in the upper 60s to mid 70s. Southwest Winds to 15 Mph in the afternoon.

Tonight 4 Jun Flathead/Mission Valleys

Mostly clear. Lows in the 40s. Southwest 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 2 June, 2026

    46.9 °F

  • Average June

    49.7 °F

  • Highest 2 June, 2026

    55 °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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