Madison County Fairgrounds Weather Forecast

    • 51
    • 87

    Chance Thunderstorms

    • 46
    • 75

    Rain Showers

    • 44
    • 74

    Rain Showers Likely

    • 49
    • 81

    Mostly Sunny

    • 52
    • 88

    Mostly Sunny

    • 53
    • 91

    Partly Sunny

    • 53
    • 91

    Mostly Sunny

Today 3 Jul Beaverhead and Western Madison below 6000ft

Mostly cloudy. Slight chance of rain Showers early in the Morning, then chance of Thunderstorms in the afternoon. Highs 80 to 85. South Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 3 Jul Beaverhead and Western Madison below 6000ft

Mostly cloudy with chance of rain Showers and slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows around 50. South Winds up to 10 Mph. Chance of precipitation 40 percent.

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Madison County Fairgrounds Temperature Statistics

July Temperature

Dillon, Dillon Airport (21.7 miles)

  • Lowest 1 July, 2025

    51.1 °F

  • Average July

    68.4 °F

  • Highest 1 July, 2025

    88 °F

Climate (2020–Present)

Dillon, Dillon Airport (21.7 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    55.8 °F
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