Iona Weather Forecast

    • 24
    • 44

    Mostly Sunny

    • 23
    • 40

    Mostly Sunny

    • 22
    • 40

    Mostly Sunny

    • 25
    • 38

    Partly Sunny

    • 29
    • 40

    Chance Snow

    • 20
    • 38

    Slight Chance Snow

Today 3 Dec Upper Snake River Plain

Sunny. Highs 39 to 46. Northeast Winds up to 10 Mph in the morning. Becoming light and variable.

Tonight 3 Dec Upper Snake River Plain

Mostly clear. Lows 16 to 26. Light and variable Winds.

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Iona Temperature Statistics

December Temperature

Idaho Falls Regional Airport (6.2 miles)

  • Lowest 1 December, 2024

    17.1 °F

  • Average December

    26.2 °F

  • Highest 1 December, 2024

    39.9 °F

Climate (2019–Present)

Idaho Falls Regional Airport (6.2 miles)

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  • Average Low 2019–2024

    32.6 °F

  • Average 2019–2024

    45.6 °F

  • Average High 2019–2024

    58.2 °F
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