Kalispell Weather Forecast

    • 50
    • 79

    Slight Chance Thunderstorms

    • 51
    • 80

    Mostly Cloudy

    • 49
    • 79

    Chance Rain Showers

    • 49
    • 81

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 53
    • 84

    Slight Chance Thunderstorms

Today 16 Aug Flathead/Mission Valleys

Partly cloudy. Patchy fog in the morning. A 20 percent chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds. Highs in the upper 70s to mid 80s.

Tonight 16 Aug Flathead/Mission Valleys

Partly cloudy. Lows in the mid 40s to lower 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Kalispell Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (7.5 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    64 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (7.5 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

    56.9 °F
Get WillyWeather+ to remove ads