Heart Lake Weather Forecast

    • 49
    • 61

    Isolated Thunderstorms

    • 52
    • 65

    Mostly Sunny

    • 55
    • 69

    Mostly Sunny

    • 56
    • 70

    Partly Sunny

    • 55
    • 70

    Partly Sunny

    • 56
    • 69

    Mostly Sunny

    • 58
    • 73

    Mostly Sunny

Today 22 Jul Boise Mountains

Partly cloudy. Isolated rain Showers and Thunderstorms this afternoon. Chance of rain 20 percent. Highs 70 to 84.

Tonight 22 Jul Boise Mountains

Mostly clear. Lows 41 to 56.

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Heart Lake Temperature Statistics

July Temperature

Hailey, Friedman Memorial Airport (36.7 miles)

  • Lowest 6 July, 2025

    44.6 °F

  • Average July

    65.9 °F

  • Highest 1 July, 2025

    93.2 °F

Climate (2020–Present)

Hailey, Friedman Memorial Airport (36.7 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    42.2 °F

  • Average High 2020–2025

    55.9 °F
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