Madison County Fairgrounds Weather Forecast

    • 19
    • 32

    Increasing Clouds

    • 20
    • 41

    Partly Sunny

    • 22
    • 45

    Partly Sunny

    • 25
    • 45

    Mostly Cloudy

    • 26
    • 46

    Mostly Cloudy

    • 26
    • 45

    Mostly Cloudy

Today 29 Dec Beaverhead and Western Madison below 6000ft

Not as cold. Mostly sunny. Highs 27 to 33. Southwest Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 29 Dec Beaverhead and Western Madison below 6000ft

Not as cold. Partly cloudy. Lows around 19. Southwest Winds 5 to 10 Mph.

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Madison County Fairgrounds Temperature Statistics

December Temperature

Dillon, Dillon Airport (21.7 miles)

  • Lowest 1 December, 2025

    9 °F

  • Average December

    37.8 °F

  • Highest 14 December, 2025

    60.1 °F

Climate (2020–Present)

Dillon, Dillon Airport (21.7 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    43.3 °F

  • Average High 2020–2025

    56.2 °F
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