Arrastra Mountain Weather Forecast

    • 41
    • 53

    Increasing Clouds

    • 42
    • 59

    Partly Sunny

    • 25
    • 49

    Snow

    • 19
    • 29

    Snow

    • 17
    • 27

    Snow Likely

    • 20
    • 29

    Chance Snow

Today 20 Apr Butte/Blackfoot Region

Partly cloudy. Highs in the upper 60s to mid 70s. West Winds to 15 Mph in the afternoon.

Tonight 20 Apr Butte/Blackfoot Region

Partly cloudy. Lows in the upper 30s to mid 40s. South Winds to 15 Mph.

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Arrastra Mountain Temperature Statistics

April Temperature

Helena Regional Airport (51 miles)

  • Lowest 8 April, 2026

    27.6 °F

  • Average April

    46.3 °F

  • Highest 7 April, 2026

    69.7 °F

Climate (2021–Present)

Helena Regional Airport (51 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60 °F
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