Columbia Falls Weather Forecast

    • 42
    • 73

    Chance Rain

    • 40
    • 63

    Rain Likely

    • 45
    • 73

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 46
    • 73

    Chance Rain

    • 42
    • 69

    Chance Rain

    • 43
    • 70

    Chance Rain

Today 29 Aug Flathead/Mission Valleys

Partly cloudy with a 20 percent chance of rain. Highs in the 70s.

Tonight 29 Aug Flathead/Mission Valleys

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the upper 30s to mid 40s. West Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia Falls Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (5.6 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    65.1 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (5.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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