Big Fork Weather Forecast

    • 68
    • 92

    Increasing Clouds

    • 65
    • 91

    Partly Sunny

    • 63
    • 82

    Mostly Cloudy

    • 59
    • 71

    Chance Thunderstorms

    • 60
    • 78

    Partly Sunny

    • 61
    • 78

    Chance Rain Showers

Today 23 Aug Southeast Polk County Higher Elevations

Mostly sunny. Highs in the lower 90s. Light and variable Winds.

Tonight 23 Aug Southeast Polk County Higher Elevations

Partly cloudy. Lows in the upper 60s. Light and variable Winds, becoming northeast around 5 Mph after midnight.

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  • Temperature Real-Time

Big Fork Temperature Statistics

August Temperature

Mena, Mena Intermountain Municipal Airport (13.7 miles)

  • Lowest 3 August, 2025

    64.2 °F

  • Average August

    78.1 °F

  • Highest 19 August, 2025

    99.1 °F

Climate (2020–Present)

Mena, Mena Intermountain Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    72.9 °F
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