Square Butte Weather Forecast

    • 20
    • 36

    Dense Fog

    • 24
    • 42

    Partly Sunny

    • 38
    • 50

    Mostly Sunny

    • 33
    • 56

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 44
    • 74

    Partly Sunny

    • 41
    • 67

    Mostly Sunny

Today 12 Oct Western and Central Chouteau County

Cloudy. A 20 percent chance of snow early in the afternoon. Near steady temperature in the mid 30s. West Winds 5 to 10 Mph.

Tonight 12 Oct Western and Central Chouteau County

Mostly cloudy. Patchy dense fog. Lows around 20. South Winds 5 to 10 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Butte Temperature Statistics

October Temperature

Malmstrom Air Force Base (46 miles)

  • Lowest 10 October, 2026

    32 °F

  • Average October

    56.7 °F

  • Highest 5 October, 2026

    85.6 °F

Climate (2021–2026)

Malmstrom Air Force Base (46 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.1 °F
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