Idaho Falls Weather Forecast

    • 55
    • 89

    Slight Chance Thunderstorms

    • 54
    • 86

    Slight Chance Thunderstorms

    • 52
    • 85

    Slight Chance Thunderstorms

    • 53
    • 84

    Mostly Sunny

    • 53
    • 84

    Partly Sunny

    • 53
    • 82

    Mostly Sunny

Today 31 Jul Upper Snake River Plain

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs 85 to 93. Northeast Winds 10 to 15 Mph shifting to south in the afternoon.

Tonight 31 Jul Upper Snake River Plain

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows 50 to 57. Southwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

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Idaho Falls Temperature Statistics

July Temperature

Idaho Falls Regional Airport (2.5 miles)

  • Lowest 17 July, 2025

    44.7 °F

  • Average July

    70.6 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Idaho Falls Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    58.9 °F
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