Square Butte Weather Forecast

    • 53
    • 67

    Rain Showers Likely

    • 52
    • 67

    Rain Showers Likely

    • 53
    • 76

    Chance Rain Showers

    • 55
    • 81

    Partly Sunny

    • 55
    • 82

    Chance Rain Showers

    • 54
    • 80

    Chance Rain Showers

Today 13 Aug Western and Central Chouteau County

Cooler. Mostly cloudy. Chance of Thunderstorms early in the Afternoon, then slight chance of Thunderstorms late in the afternoon. Highs in the mid 60s. East Winds 10 to 15 Mph. Chance of Thunderstorms 50 percent.

Tonight 13 Aug Western and Central Chouteau County

Cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then rain Showers likely after midnight. Lows around 50. Northeast Winds 5 to 15 Mph. Chance of precipitation 70 percent.

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Square Butte Temperature Statistics

August Temperature

Malmstrom Air Force Base (46 miles)

  • Lowest 4 August, 2026

    39.2 °F

  • Average August

    70.1 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Malmstrom Air Force Base (46 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59 °F
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