Idaho Falls Regional Airport Weather Forecast

    • 47
    • 84

    Partly Cloudy

    • 49
    • 86

    Mostly Cloudy

    • 47
    • 82

    Mostly Cloudy

    • 48
    • 83

    Partly Sunny

    • 51
    • 87

    Mostly Sunny

    • 53
    • 90

    Slight Chance Thunderstorms

Today 16 Aug Upper Snake River Plain

Sunny. Highs 78 to 85. Northeast Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 16 Aug Upper Snake River Plain

Partly cloudy. Lows 47 to 57. Northeast Winds up to 10 Mph.

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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

    46.8 °F

  • Average High 2021–2026

    59.9 °F
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