Flathead Lake Weather Forecast

    • 36
    • 39

    Mostly Cloudy

    • 43
    • 45

    Rain

    • 43
    • 47

    Rain

    • 41
    • 47

    Rain Likely

    • 38
    • 44

    Rain Likely

    • 33
    • 45

    Mostly Cloudy

Today 21 Feb Flathead/Mission Valleys

Mostly cloudy. Highs in the 30s to lower 40s.

Tonight 21 Feb Flathead/Mission Valleys

Cloudy. A 30 percent chance of snow after midnight. Lows in the mid 20s to lower 30s.

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Flathead Lake Temperature Statistics

February Temperature

Kalispell, Glacier Park International Airport (30.4 miles)

  • Lowest 11 February, 2025

    -15.3 °F

  • Average February

    15.1 °F

  • Highest 1 February, 2025

    40.6 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (30.4 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.3 °F
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