Idaho Falls Weather Forecast

    • 23
    • 35

    Chance Snow

    • 18
    • 33

    Mostly Cloudy

    • 21
    • 35

    Mostly Cloudy

    • 34
    • 39

    Chance Snow

    • 31
    • 44

    Chance Rain/Snow

    • 24
    • 43

    Chance Rain

Today 20 Feb Upper Snake River Plain

Partly sunny. A chance of snow in the morning. Little or no snow accumulation. Highs 32 to 39. Northwest Winds up to 10 Mph. Shifting to west in the afternoon.

Tonight 20 Feb Upper Snake River Plain

Mostly cloudy. Colder. Patchy fog after midnight. Lows 16 to 24. Southwest Winds up to 10 Mph.

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Idaho Falls Temperature Statistics

February Temperature

Idaho Falls Regional Airport (2.5 miles)

  • Lowest 13 February, 2025

    -7.1 °F

  • Average February

    26.6 °F

  • Highest 5 February, 2025

    45.6 °F

Climate (2020–Present)

Idaho Falls Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    58.3 °F
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