Idaho Falls Regional Airport Weather Forecast

    • 32
    • 53

    Rain

    • 32
    • 52

    Rain

    • 28
    • 54

    Slight Chance Rain

    • 27
    • 55

    Mostly Sunny

    • 26
    • 58

    Mostly Sunny

    • 27
    • 62

    Sunny

Today 11 Oct Upper Snake River Plain

Mostly clear. Lows 32 to 42. Highs 60 to 67.

Tonight 11 Oct Upper Snake River Plain

Rain in the evening. Then a chance of rain after midnight. Colder. Lows 30 to 40. Northwest Winds 10 to 15 Mph shifting to west after midnight.

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Idaho Falls Regional Airport Temperature Statistics

October Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 8 October, 2026

    36 °F

  • Average October

    59.7 °F

  • Highest 5 October, 2026

    85.6 °F

Climate (2021–2026)

Idaho Falls Regional Airport (0 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    60 °F
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