Idaho Falls Regional Airport Weather Forecast

    • 27
    • 57

    Partly Sunny

    • 34
    • 62

    Mostly Cloudy

    • 38
    • 70

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 41
    • 71

    Mostly Cloudy

    • 37
    • 58

    Chance Rain

Today 26 Mar Upper Snake River Plain

Sunny, cooler. Highs 52 to 60. West Winds 10 to 20 Mph.

Tonight 26 Mar Upper Snake River Plain

Partly cloudy. Colder. Lows 24 to 31. Northwest Winds 10 to 15 Mph. Shifting to northeast after midnight.

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Idaho Falls Regional Airport Temperature Statistics

March Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 15 March, 2026

    16.6 °F

  • Average March

    44.7 °F

  • Highest 20 March, 2026

    78.7 °F

Climate (2021–Present)

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

    59.8 °F
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