Columbia Falls Weather Forecast

    • 53
    • 82

    Chance Thunderstorms

    • 54
    • 88

    Chance Thunderstorms

    • 51
    • 81

    Chance Thunderstorms

    • 44
    • 65

    Rain Showers

    • 42
    • 61

    Chance Rain

    • 44
    • 67

    Slight Chance Thunderstorms

Today 27 May Flathead/Mission Valleys

Partly cloudy. A 40 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s.

Tonight 27 May Flathead/Mission Valleys

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s.

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  • Temperature Real-Time

Columbia Falls Temperature Statistics

May Temperature

Kalispell, Glacier Park International Airport (5.6 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    52.4 °F

  • Highest 25 May, 2026

    82 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (5.6 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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