Middle Creek Lake Weather Forecast

    • 58
    • 81

    Patchy Smoke

    • 58
    • 81

    Mostly Sunny

    • 61
    • 84

    Sunny

    • 57
    • 88

    Mostly Sunny

    • 47
    • 73

    Sunny

    • 47
    • 67

    Mostly Sunny

Today 29 Jul Big Belt

Mostly sunny. Patchy smoke through the day. A 20 percent chance of Thunderstorms in the afternoon. Highs 78 to 88. Northwest Winds up to 5 Mph shifting to the southwest in the afternoon.

Tonight 29 Jul Big Belt

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then mostly clear after midnight. Patchy smoke through the night. Lows in the upper 50s. South Winds up to 10 Mph.

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Middle Creek Lake Temperature Statistics

July Temperature

Helena Regional Airport (26.7 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    73.6 °F

  • Highest 25 July, 2026

    102.7 °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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