Island Lake Weather Forecast

    • 8
    • 25

    Gradual Clearing

    • 6
    • 27

    Mostly Sunny

    • 17
    • 31

    Mostly Cloudy

    • 20
    • 35

    Mostly Cloudy

    • 23
    • 38

    Mostly Cloudy

    • 25
    • 38

    Mostly Cloudy

    • 27
    • 41

    Mostly Cloudy

Today 24 Jan Kootenai/Cabinet Region

Partly cloudy. Highs in the 20s.

Tonight 24 Jan Kootenai/Cabinet Region

Mostly cloudy in the evening then becoming partly cloudy. Lows 7 to 14.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

January Temperature

Kalispell, Glacier Park International Airport (32.3 miles)

  • Lowest 9 January, 2026

    9.6 °F

  • Average January

    28.7 °F

  • Highest 12 January, 2026

    46.7 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (32.3 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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