Idaho Falls Regional Airport Weather Forecast

    • 40
    • 73

    Becoming Sunny

    • 47
    • 80

    Partly Sunny

    • 47
    • 79

    Chance Rain Showers

    • 45
    • 76

    Partly Sunny

    • 43
    • 77

    Partly Sunny

    • 45
    • 77

    Partly Sunny

Today 30 Aug Upper Snake River Plain

Sunny, breezy. Highs 68 to 77. Southwest Winds 15 to 25 Mph.

Tonight 30 Aug Upper Snake River Plain

Mostly clear. Colder. Lows 39 to 47. South Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Idaho Falls Regional Airport Temperature Statistics

August Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 4 August, 2026

    39.7 °F

  • Average August

    71.3 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Idaho Falls Regional Airport (0 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    60 °F
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