Idaho Falls Regional Airport Weather Forecast

    • 53
    • 88

    Decreasing Clouds

    • 52
    • 87

    Mostly Cloudy

    • 54
    • 88

    Partly Sunny

    • 53
    • 89

    Partly Sunny

    • 53
    • 88

    Partly Sunny

    • 52
    • 86

    Partly Sunny

Today 23 Aug Upper Snake River Plain

Mostly sunny. Breezy. Highs 83 to 90. Southeast Winds up to 10 Mph. Increasing to southwest 15 to 25 Mph in the afternoon.

Tonight 23 Aug Upper Snake River Plain

Partly cloudy. Lows 51 to 59. Southwest Winds 10 to 20 Mph. Becoming west up to 10 Mph after midnight.

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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

    70.8 °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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