Madison County Fairgrounds Weather Forecast

    • 38
    • 67

    Partly Cloudy

    • 40
    • 69

    Rain

    • 25
    • 51

    Rain

    • 25
    • 48

    Partly Sunny

    • 25
    • 51

    Partly Sunny

    • 25
    • 52

    Partly Sunny

Today 21 Oct Beaverhead and Western Madison below 6000ft

Mostly sunny. A 20 percent chance of rain late in the morning. Highs 60 to 66. South Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 21 Oct Beaverhead and Western Madison below 6000ft

Mostly clear. Lows around 40. South Winds up to 10 Mph.

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Madison County Fairgrounds Temperature Statistics

October Temperature

Dillon, Dillon Airport (21.7 miles)

  • Lowest 12 October, 2026

    19.7 °F

  • Average October

    50.5 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Dillon, Dillon Airport (21.7 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    57.1 °F
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