Heart Lake Weather Forecast

    • 30
    • 35

    Mostly Cloudy

    • 29
    • 38

    Partly Sunny

    • 24
    • 38

    Mostly Cloudy

    • 23
    • 32

    Mostly Sunny

    • 26
    • 36

    Mostly Sunny

    • 28
    • 38

    Mostly Sunny

Today 30 Jan Boise Mountains

Areas of fog in the morning. Mostly cloudy with a slight chance of snow in the Morning, then partly sunny in the afternoon. Chance of snow 20 percent. Highs 39 to 49.

Tonight 30 Jan Boise Mountains

Decreasing Clouds. Areas of fog after midnight. Lows 20 to 30.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

January Temperature

Hailey, Friedman Memorial Airport (36.7 miles)

  • Lowest 21 January, 2026

    10.4 °F

  • Average January

    27.2 °F

  • Highest 13 January, 2026

    51.8 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (36.7 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    56.2 °F
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