Helena National Forest Weather Forecast

    • 25
    • 41

    Mostly Cloudy

    • 29
    • 45

    Chance Snow

    • 34
    • 49

    Rain/Snow Likely

    • 27
    • 46

    Rain Likely

    • 23
    • 40

    Chance Snow

    • 27
    • 44

    Partly Sunny

Today 14 Mar Big Belt

Colder. Mostly cloudy in the Morning, then partly cloudy with a 20 percent chance of snow in the afternoon. Highs 30 to 35. West Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 14 Mar Big Belt

Mostly cloudy. A 20 percent chance of snow after midnight. Lows 20 to 25. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena National Forest Temperature Statistics

March Temperature

Helena Regional Airport (15.5 miles)

  • Lowest 7 March, 2025

    21.8 °F

  • Average March

    40.5 °F

  • Highest 9 March, 2025

    62.1 °F

Climate (2020–Present)

Helena Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    59 °F
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