Big Arm State Park Weather Forecast

    • 40
    • 57

    Chance Rain Showers

    • 50
    • 67

    Chance Rain

    • 46
    • 61

    Rain Showers

    • 45
    • 55

    Chance Rain

    • 46
    • 60

    Chance Rain

    • 48
    • 64

    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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Big Arm State Park Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 3 June, 2026

    42.7 °F

  • Average June

    53.8 °F

  • Highest 3 June, 2026

    71.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (33.6 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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