Columbia Falls Weather Forecast

    • 45
    • 65

    Rain

    • 43
    • 57

    Rain

    • 42
    • 59

    Rain Showers Likely

    • 43
    • 62

    Chance Rain Showers

    • 46
    • 71

    Chance Rain

    • 44
    • 68

    Chance Rain

Today 30 May Flathead/Mission Valleys

Cloudy. Areas of rain until late Afternoon, then chance of rain Showers and a slight chance of Thunderstorms late in the afternoon. Chance of precipitation 50 percent. Cooler. Highs in the 60s.

Tonight 30 May Flathead/Mission Valleys

Rain likely in the Evening, then a chance of rain after midnight. Chance of rain 70 percent. Lows in the 40s.

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  • Temperature Forecast NOAA

  • 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

    53.9 °F

  • Highest 28 May, 2026

    88 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (5.6 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    57.2 °F
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