Arrastra Mountain Weather Forecast

    • 55
    • 72

    Smoke

    • 55
    • 73

    Sunny

    • 56
    • 72

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 47
    • 67

    Sunny

Today 27 Jul Butte/Blackfoot Region

Mostly sunny. Areas of smoke in the Morning, then patchy smoke in the afternoon. Highs in the 80s.

Tonight 27 Jul Butte/Blackfoot Region

Mostly clear. Areas of smoke through the night. A 20 percent chance of rain Showers early in the evening. Lows in the upper 40s to mid 50s.

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Arrastra Mountain Temperature Statistics

July Temperature

Helena Regional Airport (51 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    73.4 °F

  • Highest 11 July, 2026

    101.6 °F

Climate (2021–2026)

Helena Regional Airport (51 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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