Long Bow Lake Weather Forecast

    • 41
    • 56

    Increasing Clouds

    • 38
    • 53

    Partly Sunny

    • 40
    • 53

    Mostly Sunny

    • 40
    • 53

    Mostly Sunny

    • 40
    • 54

    Partly Sunny

    • 39
    • 52

    Partly Sunny

Today 17 Sep West Glacier Region

Mostly sunny. Patchy fog early in the morning. Highs in the upper 60s to mid 70s.

Tonight 17 Sep West Glacier Region

Mostly cloudy in the evening then becoming partly cloudy. A 40 percent chance of rain. Lows in the mid 40s to lower 50s.

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Long Bow Lake Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (42.3 miles)

  • Lowest 1 September, 2026

    41.6 °F

  • Average September

    56.8 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (42.3 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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