Mount Helena Park Weather Forecast

    • 20
    • 36

    Gradual Clearing

    • 27
    • 39

    Partly Sunny

    • 21
    • 38

    Mostly Cloudy

    • 21
    • 32

    Partly Sunny

    • 17
    • 39

    Mostly Cloudy

    • 6
    • 26

    Chance Snow

Today 18 Jan Upper Blackfoot and MacDonald Pass

Partly sunny. A 20 percent chance of snow in the morning. Highs 25 to 33. Northeast Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 18 Jan Upper Blackfoot and MacDonald Pass

Partly cloudy. Lows around 16. Northeast Winds up to 5 Mph shifting to the west after midnight.

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Mount Helena Park Temperature Statistics

January Temperature

Helena Regional Airport (3.1 miles)

  • Lowest 8 January, 2026

    19 °F

  • Average January

    38 °F

  • Highest 14 January, 2026

    57.9 °F

Climate (2021–Present)

Helena Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.6 °F
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