Larner Field Weather Forecast

    • 34
    • 63

    Slight Chance Thunderstorms

    • 35
    • 66

    Partly Sunny

    • 40
    • 77

    Sunny

    • 43
    • 79

    Mostly Sunny

    • 36
    • 71

    Chance Rain

    • 34
    • 62

    Chance Rain

Today 7 Sep Butte/Blackfoot Region

Rain Showers likely and a slight chance of Thunderstorms early in the Morning, then Areas of rain in the late morning and early afternoon. Slight chance of Thunderstorms early in the afternoon. Patchy fog early in the morning. Chance of precipitation 70 percent. Cooler. Highs in the 50s to lower 60s. West Winds 15 to 25 Mph with Gusts to around 35 Mph.

Tonight 7 Sep Butte/Blackfoot Region

Mostly clear. Lows in the 30s. Southwest Winds to 15 Mph. Gusts up to 35 Mph in the evening.

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  • Temperature Real-Time

Larner Field Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (26.1 miles)

  • Lowest 3 September, 2026

    41.6 °F

  • Average September

    58.8 °F

  • Highest 1 September, 2026

    79.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (26.1 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.8 °F
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