Leslie Lake Weather Forecast

    • 59
    • 74

    Chance Thunderstorms

    • 59
    • 77

    Rain Showers Likely

    • 58
    • 77

    Chance Thunderstorms

    • 57
    • 76

    Partly Sunny

    • 56
    • 72

    Chance Rain Showers

    • 55
    • 67

    Chance Thunderstorms

Today 16 Jul Elkhorn and Boulder Mountains

Sunny in the Morning, then partly cloudy with a 50 percent chance of Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Highs 75 to 85. East Winds up to 10 Mph.

Tonight 16 Jul Elkhorn and Boulder Mountains

Mostly cloudy with a 50 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows 55 to 60. East Winds up to 10 Mph shifting to the southeast after midnight.

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  • Temperature Real-Time

Leslie Lake Temperature Statistics

July Temperature

Helena Regional Airport (22.4 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    70.9 °F

  • Highest 11 July, 2026

    101.6 °F

Climate (2021–2026)

Helena Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    59.9 °F
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