Big Fork Weather Forecast

    • 40
    • 54

    Rain Showers Likely

    • 39
    • 54

    Mostly Cloudy

    • 37
    • 58

    Mostly Cloudy

    • 41
    • 62

    Partly Sunny

    • 49
    • 68

    Mostly Cloudy

    • 50
    • 70

    Partly Sunny

Today 4 Sep North Itasca

Areas of frost in the morning. Mostly sunny with a chance of Sprinkles in the Morning, then mostly cloudy with rain Showers likely in the afternoon. Highs in the mid 50s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 4 Sep North Itasca

Mostly cloudy with a chance of Sprinkles. Cooler with Lows in the upper 30s. Northwest Winds around 5 Mph.

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Big Fork Temperature Statistics

September Temperature

Bigfork Municipal Airport (10.6 miles)

  • Lowest 1 September, 2025

    55.4 °F

  • Average September

    70.1 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Bigfork Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    30.8 °F

  • Average 2020–2025

    42.1 °F

  • Average High 2020–2025

    52.4 °F
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