Idaho Falls Regional Airport Weather Forecast

    • 59
    • 98

    Slight Chance Thunderstorms

    • 57
    • 97

    Hot

    • 57
    • 98

    Hot

    • 57
    • 95

    Mostly Sunny

    • 57
    • 97

    Hot

    • 57
    • 98

    Hot

Today 26 Jul Upper Snake River Plain

Mostly sunny. Highs 91 to 100. Northeast Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 26 Jul Upper Snake River Plain

Mostly cloudy. Lows 58 to 66. Southwest Winds 10 to 15 Mph. Shifting to north after midnight.

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Idaho Falls Regional Airport Temperature Statistics

July Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 1 July, 2026

    43.6 °F

  • Average July

    73.2 °F

  • Highest 12 July, 2026

    103.6 °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

    59.8 °F
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