Lewisville Weather Forecast

    • 26
    • 46

    Partly Sunny

    • 26
    • 51

    Mostly Sunny

    • 27
    • 53

    Mostly Sunny

    • 27
    • 49

    Partly Sunny

    • 31
    • 49

    Chance Rain/Snow

    • 27
    • 46

    Chance Rain/Snow

Today 4 Feb Upper Snake River Plain

Mostly sunny. Highs 42 to 49. Northeast Winds up to 10 Mph in the morning. Becoming light and variable.

Tonight 4 Feb Upper Snake River Plain

Partly cloudy. Lows 23 to 31. Northeast Winds up to 10 Mph.

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Lewisville Temperature Statistics

February Temperature

Idaho Falls Regional Airport (12.4 miles)

  • Lowest 1 February, 2026

    23 °F

  • Average February

    33.3 °F

  • Highest 1 February, 2026

    48 °F

Climate (2021–Present)

Idaho Falls Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    59.4 °F
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