Iona Weather Forecast

    • 43
    • 60

    Increasing Clouds

    • 43
    • 55

    Mostly Cloudy

    • 40
    • 62

    Chance Rain Showers

    • 38
    • 51

    Chance Rain Showers

    • 34
    • 49

    Chance Rain Showers

    • 31
    • 49

    Partly Sunny

Today 3 Nov Upper Snake River Plain

Mostly sunny. Highs 54 to 61. Northeast Winds up to 10 Mph. Shifting to southwest around 10 Mph in the afternoon.

Tonight 3 Nov Upper Snake River Plain

Partly cloudy. Lows 32 to 42. South Winds around 10 Mph.

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  • Temperature Real-Time

Iona Temperature Statistics

November Temperature

Idaho Falls Regional Airport (6.2 miles)

  • Lowest 1 November, 2025

    30.9 °F

  • Average November

    44.3 °F

  • Highest 1 November, 2025

    61 °F

Climate (2020–Present)

Idaho Falls Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    58.9 °F
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