Big Arm State Park Weather Forecast

    • 59
    • 86

    Areas Smoke

    • 60
    • 85

    Patchy Smoke

    • 60
    • 88

    Sunny

    • 60
    • 86

    Sunny

    • 61
    • 88

    Mostly Sunny

    • 62
    • 90

    Sunny

Today 26 Jul Flathead/Mission Valleys

Sunny. Areas of smoke. Highs in the mid 80s to lower 90s. Southwest Winds to 15 Mph.

Tonight 26 Jul Flathead/Mission Valleys

Mostly clear. Patchy smoke. Lows in the 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm State Park Temperature Statistics

July Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 5 July, 2026

    40.6 °F

  • Average July

    68.5 °F

  • Highest 24 July, 2026

    93.9 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (33.6 miles)

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

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads