Big Arm Weather Forecast

    • 45
    • 61

    Rain Likely

    • 45
    • 55

    Chance Rain

    • 47
    • 68

    Partly Sunny

    • 47
    • 72

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 52
    • 74

    Partly Sunny

Today 9 Jun Flathead/Mission Valleys

Areas of rain in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Chance of precipitation 70 percent. Highs in the upper 50s to mid 60s. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 9 Jun Flathead/Mission Valleys

Rain likely in the Evening, then Areas of rain after midnight. Chance of rain 70 percent. Lows in the upper 30s to mid 40s. Southwest Winds 15 to 25 Mph. Gusts up to 30 Mph in the evening.

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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

    38.6 °F

  • Average June

    53.3 °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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