Bigfork Weather Forecast

    • 53
    • 77

    Increasing Clouds

    • 53
    • 78

    Increasing Clouds

    • 55
    • 79

    Mostly Cloudy

    • 53
    • 78

    Slight Chance Thunderstorms

    • 53
    • 80

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 56
    • 83

    Slight Chance Thunderstorms

Today 15 Aug Flathead/Mission Valleys

Mostly sunny. Patchy fog early in the morning. Patchy smoke late in the afternoon. Highs in the mid 70s to lower 80s.

Tonight 15 Aug Flathead/Mission Valleys

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy smoke early in the evening. Patchy fog late in the night. Some Thunderstorms may produce gusty Winds. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bigfork Temperature Statistics

August Temperature

Kalispell, Glacier Park International Airport (18.6 miles)

  • Lowest 5 August, 2026

    38.6 °F

  • Average August

    64 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (18.6 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    56.9 °F
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