Eighteenmile Peak Weather Forecast

    • 13
    • 22

    Mostly Sunny

    • 11
    • 22

    Partly Sunny

    • 11
    • 22

    Partly Sunny

    • 12
    • 24

    Mostly Cloudy

    • 9
    • 20

    Mostly Cloudy

    • 9
    • 19

    Slight Chance Snow

Today 19 Jan Ruby Mountains and Southern Beaverhead Mountains

Sunny. Highs 28 to 34. West Winds up to 10 Mph.

Tonight 19 Jan Ruby Mountains and Southern Beaverhead Mountains

Mostly clear. Lows 13 to 21. Southwest Winds 5 to 10 Mph.

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Eighteenmile Peak Temperature Statistics

January Temperature

Dillon, Dillon Airport (59.7 miles)

  • Lowest 8 January, 2026

    17.1 °F

  • Average January

    34.8 °F

  • Highest 13 January, 2026

    57 °F

Climate (2021–Present)

Dillon, Dillon Airport (59.7 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    56.3 °F
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