Mount Heinen Weather Forecast

    • 26
    • 34

    Snow Showers Likely

    • 27
    • 37

    Mostly Cloudy

    • 30
    • 40

    Mostly Cloudy

    • 30
    • 42

    Mostly Cloudy

    • 30
    • 43

    Mostly Cloudy

    • 26
    • 37

    Partly Sunny

    • 26
    • 38

    Mostly Sunny

Today 28 Jan Boise Mountains

Snow Showers this Morning, then partly cloudy with a chance of snow Showers this afternoon. Areas of fog. Chance of snow 80 percent. Snow accumulation around 1 inch. Highs 29 to 40.

Tonight 28 Jan Boise Mountains

Increasing Clouds. Areas of fog. Lows 13 to 28.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Heinen Temperature Statistics

January Temperature

Boise Air Terminal (19.3 miles)

  • Lowest 24 January, 2026

    16 °F
  • Average January

    33.8 °F
  • Highest 3 January, 2026

    59.6 °F

Climate (2021–Present)

Boise Air Terminal (19.3 miles)

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  • Average Low 2021–2026

    44 °F
  • Average 2021–2026

    54.8 °F
  • Average High 2021–2026

    66 °F
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