Columbia Falls Weather Forecast

    • 50
    • 81

    Increasing Clouds

    • 50
    • 73

    Rain Likely

    • 51
    • 75

    Chance Thunderstorms

    • 52
    • 81

    Chance Rain

    • 48
    • 74

    Rain Showers Likely

    • 43
    • 63

    Chance Rain

Today 25 May Flathead/Mission Valleys

Mostly sunny. Highs in the 80s. South Winds to 15 Mph.

Tonight 25 May Flathead/Mission Valleys

Mostly cloudy. Chance of rain Showers and a slight chance of Thunderstorms in the Evening, then slight chance of rain 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

    51.3 °F

  • Highest 12 May, 2026

    76.6 °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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