Idaho Falls Regional Airport Weather Forecast

    • 56
    • 94

    Mostly Sunny

    • 57
    • 96

    Mostly Sunny

    • 60
    • 97

    Hot

    • 58
    • 95

    Chance Rain

    • 56
    • 88

    Rain Showers Likely

    • 56
    • 87

    Slight Chance Thunderstorms

    • 57
    • 89

    Chance Rain Showers

Today 18 Jul Upper Snake River Plain

Sunny. Highs 87 to 96. Northeast Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 18 Jul Upper Snake River Plain

Mostly clear. Lows 56 to 64. North Winds around 10 Mph.

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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

    71.9 °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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