Square Butte Weather Forecast

    • 49
    • 69

    Rain

    • 44
    • 53

    Rain

    • 43
    • 59

    Chance Rain Showers

    • 45
    • 64

    Chance Thunderstorms

    • 48
    • 67

    Chance Rain

    • 49
    • 70

    Rain Showers Likely

    • 52
    • 77

    Partly Sunny

Today 30 May Western and Central Chouteau County

Cooler. Rain Showers likely and slight chance of Thunderstorms early in the Afternoon, then rain and chance of Thunderstorms late in the afternoon. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. Northwest Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 30 May Western and Central Chouteau County

Windy, cooler. Rain Showers likely and chance of Thunderstorms early in the Evening, then slight chance of Thunderstorms late in the evening. Rain in the late evening and overnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the mid 40s. Northwest Winds 10 to 30 Mph with Gusts to around 50 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Butte Temperature Statistics

May Temperature

Malmstrom Air Force Base (46 miles)

  • Lowest 6 May, 2026

    26.7 °F

  • Average May

    57.3 °F

  • Highest 13 May, 2026

    91.7 °F

Climate (2021–Present)

Malmstrom Air Force Base (46 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.1 °F
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