Old Tom Mountain Weather Forecast

    • 19
    • 31

    Snow

    • 13
    • 23

    Chance Snow

    • 17
    • 23

    Mostly Cloudy

    • 14
    • 26

    Mostly Cloudy

    • 15
    • 29

    Partly Sunny

    • 18
    • 31

    Partly Sunny

Today 7 Jan Marsh and Arbon Highlands

A chance of snow and rain in the morning. Then snow and rain likely in the afternoon. Snow accumulation of 3 to 7 Inches. Highs 31 to 41.

Tonight 7 Jan Marsh and Arbon Highlands

Mostly cloudy with a chance of snow. Patchy fog. Colder. Snow accumulation of 2 to 4 Inches. Lows 20 to 27.

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Old Tom Mountain Temperature Statistics

January Temperature

Pocatello, Pocatello Regional Airport (23.6 miles)

  • Lowest 1 January, 2026

    28 °F

  • Average January

    39.4 °F

  • Highest 3 January, 2026

    51.1 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    61.5 °F
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