Big Arm Weather Forecast

    • 57
    • 84

    Smoke

    • 58
    • 83

    Smoke

    • 56
    • 80

    Partly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 55
    • 75

    Partly Sunny

    • 58
    • 79

    Partly Sunny

Today 10 Aug Flathead/Mission Valleys

Mostly sunny. Smoke. Highs in the 80s.

Tonight 10 Aug Flathead/Mission Valleys

Mostly clear. Smoke in the Evening, then patchy smoke after midnight. Lows in the upper 40s to mid 50s. Southwest Winds to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (34.8 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    63 °F

  • Highest 1 August, 2026

    93.7 °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

    33.3 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads