Idaho Falls Regional Airport Weather Forecast

    • 31
    • 63

    Breezy

    • 33
    • 53

    Chance Rain/Snow

    • 28
    • 55

    Slight Chance Snow Showers

    • 33
    • 61

    Partly Sunny

    • 36
    • 67

    Partly Sunny

    • 40
    • 72

    Mostly Sunny

Today 16 May Upper Snake River Plain

Mostly cloudy. Windy. Highs 57 to 65. Southwest Winds 10 to 15 Mph. Increasing to 20 to 30 Mph with Gusts to around 40 Mph in the afternoon.

Tonight 16 May Upper Snake River Plain

Increasing Clouds. Very windy. Colder. Lows 26 to 34. West Winds 25 to 35 Mph. Becoming northwest 10 to 15 Mph after midnight.

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Idaho Falls Regional Airport Temperature Statistics

May Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 6 May, 2026

    27.6 °F

  • Average May

    55.7 °F

  • Highest 13 May, 2026

    88.6 °F

Climate (2021–Present)

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

    59.9 °F
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