Big Arm State Park Weather Forecast

    • 15
    • 24

    Slight Chance Snow

    • 21
    • 30

    Partly Sunny

    • 22
    • 35

    Chance Snow

    • 20
    • 38

    Partly Sunny

    • 27
    • 39

    Mostly Cloudy

    • 34
    • 45

    Rain Likely

    • 32
    • 45

    Chance Snow

Today 18 Feb Flathead/Mission Valleys

Cloudy with a 50 percent chance of Areas of snow. Patchy blowing snow. Bitterly cold. Highs 17 to 24. Windy with northeast Winds 20 to 30 Mph with Gusts to around 40 Mph decreasing to 15 to 20 Mph with Gusts to around 30 Mph in the afternoon. Wind chill Readings 10 below to 20 below zero.

Tonight 18 Feb Flathead/Mission Valleys

Mostly cloudy. Patchy blowing snow. Bitterly cold. Lows 2 to 9. Northeast Winds 15 to 25 Mph with Gusts to around 35 Mph. Wind chill Readings 10 below to 20 below zero.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm State Park Temperature Statistics

February Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 11 February, 2026

    17.1 °F

  • Average February

    35.3 °F

  • Highest 5 February, 2026

    54.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (33.6 miles)

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

  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
Get WillyWeather+ to remove ads