Columbia Falls Weather Forecast

    • 28
    • 43

    Patchy Fog

    • 34
    • 42

    Mostly Cloudy

    • 35
    • 45

    Rain

    • 34
    • 43

    Rain

    • 26
    • 40

    Snow Likely

    • 27
    • 35

    Rain/Snow

    • 25
    • 37

    Snow Likely

Today 13 Dec Flathead/Mission Valleys

Cloudy with Areas of rain and a slight chance of snow early in the Morning, then mostly cloudy in the late morning and afternoon. Patchy fog in the morning. Chance of precipitation 30 percent. Highs in the 40s.

Tonight 13 Dec Flathead/Mission Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog. Lows in the mid 20s to lower 30s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia Falls Temperature Statistics

December Temperature

Kalispell, Glacier Park International Airport (5.6 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    34 °F

  • Highest 10 December, 2025

    48.2 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    57 °F
Get WillyWeather+ to remove ads