Atomic City Weather Forecast

    • 21
    • 50

    Decreasing Clouds

    • 27
    • 50

    Mostly Cloudy

    • 29
    • 50

    Chance Rain/Snow

    • 26
    • 52

    Chance Rain

    • 27
    • 55

    Slight Chance Rain

    • 29
    • 53

    Chance Snow

Today 27 Feb Arco/Mud Lake Desert

Mostly sunny. Highs 41 to 50. Southwest Winds 10 to 15 Mph.

Tonight 27 Feb Arco/Mud Lake Desert

Mostly clear. Lows 20 to 30. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Atomic City Temperature Statistics

February Temperature

Idaho Falls Regional Airport (37.3 miles)

  • Lowest 20 February, 2026

    -0.3 °F

  • Average February

    33.9 °F

  • Highest 8 February, 2026

    58.6 °F

Climate (2021–Present)

Idaho Falls Regional Airport (37.3 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    59.6 °F
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