Atomic City Weather Forecast

    • 44
    • 73

    Increasing Clouds

    • 45
    • 70

    Rain Showers Likely

    • 34
    • 58

    Rain Showers Likely

    • 28
    • 48

    Breezy

    • 35
    • 56

    Partly Sunny

    • 32
    • 55

    Chance Rain Showers

Today 9 Oct Arco/Mud Lake Desert

Sunny, warmer. Highs 69 to 76. Northeast Winds 10 to 15 Mph. Shifting to southeast in the afternoon.

Tonight 9 Oct Arco/Mud Lake Desert

Mostly clear in the evening. Then mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows 42 to 49. Southeast Winds around 10 Mph shifting to east after midnight. Chance of precipitation 50 percent.

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Atomic City Temperature Statistics

October Temperature

Idaho Falls Regional Airport (37.3 miles)

  • Lowest 6 October, 2025

    30 °F

  • Average October

    51.3 °F

  • Highest 2 October, 2025

    77 °F

Climate (2020–Present)

Idaho Falls Regional Airport (37.3 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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