Big Arm Weather Forecast

    • 51
    • 72

    Slight Chance Thunderstorms

    • 56
    • 77

    Mostly Cloudy

    • 57
    • 80

    Partly Sunny

    • 57
    • 79

    Mostly Cloudy

    • 52
    • 72

    Rain Likely

    • 48
    • 65

    Chance Rain

    • 47
    • 57

    Rain Likely

Today 22 Jun Flathead/Mission Valleys

Mostly sunny in the morning then becoming partly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the 70s.

Tonight 22 Jun Flathead/Mission Valleys

Mostly clear. Lows in the 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm Temperature Statistics

June Temperature

Kalispell, Glacier Park International Airport (34.8 miles)

  • Lowest 14 June, 2026

    35.7 °F

  • Average June

    57 °F

  • Highest 16 June, 2026

    82.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (34.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
Get WillyWeather+ to remove ads