Middle Creek Lake Weather Forecast

    • 37
    • 59

    Mostly Cloudy

    • 40
    • 55

    Partly Sunny

    • 49
    • 68

    Rain Likely

    • 47
    • 62

    Rain Showers Likely

    • 46
    • 61

    Chance Rain Showers

    • 46
    • 65

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

Today 15 Sep Big Belt

Partly cloudy. Lows in the mid 40s. Highs 63 to 71.

Tonight 15 Sep Big Belt

Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the upper 30s. Northeast Winds up to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Middle Creek Lake Temperature Statistics

September Temperature

Helena Regional Airport (26.7 miles)

  • Lowest 9 September, 2026

    41.6 °F

  • Average September

    62.2 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Helena Regional Airport (26.7 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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