Kalispell Weather Forecast

    • 40
    • 66

    Chance Rain

    • 45
    • 75

    Mostly Sunny

    • 50
    • 82

    Chance Rain

    • 45
    • 74

    Chance Rain

    • 42
    • 70

    Chance Rain

    • 43
    • 71

    Slight Chance Rain

Today 30 Aug Flathead/Mission Valleys

Mostly cloudy with a 50 percent chance of rain. Patchy smoke. Highs in the 60s to lower 70s. Southwest Winds to 15 Mph.

Tonight 30 Aug Flathead/Mission Valleys

Mostly clear. Patchy smoke in the evening. Patchy fog after midnight. Lows in the mid 30s to lower 40s.

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Kalispell Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (7.5 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    65.1 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (7.5 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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