Dillon Weather Forecast

    • 32
    • 42

    Rain/Freezing Rain Likely

    • 31
    • 46

    Chance Rain

    • 32
    • 48

    Mostly Cloudy

    • 29
    • 50

    Chance Rain

    • 28
    • 46

    Chance Rain/Snow

    • 19
    • 41

    Mostly Cloudy

    • 21
    • 38

    Partly Sunny

Today 21 Dec Beaverhead and Western Madison below 6000ft

Not as cold. Snow likely in the late morning and early afternoon. Rain likely in the afternoon. Slight chance of snow late in the afternoon. New snow accumulation up to 1 inch. Snow level 6000 feet. Highs 37 to 43. South Winds 5 to 10 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent.

Tonight 21 Dec Beaverhead and Western Madison below 6000ft

Not as cold. Mostly cloudy. Rain likely in the evening. Light freezing rain likely through the night. Chance of rain after midnight. Total snow accumulation up to 2 Inches. Ice accumulation of less than one quarter of an inch. Near steady temperature in the mid 30s. South Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent.

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Dillon Temperature Statistics

December Temperature

Dillon, Dillon Airport (5 miles)

  • Lowest 1 December, 2025

    9 °F

  • Average December

    38.9 °F

  • Highest 14 December, 2025

    60.1 °F

Climate (2020–Present)

Dillon, Dillon Airport (5 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    43.2 °F

  • Average High 2020–2025

    56.2 °F
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