Lewisville Weather Forecast

    • 27
    • 51

    Decreasing Clouds

    • 35
    • 52

    Rain Likely

    • 23
    • 47

    Rain/Snow Likely

    • 23
    • 41

    Mostly Cloudy

    • 22
    • 41

    Slight Chance Snow

    • 21
    • 40

    Partly Sunny

Today 7 Feb Upper Snake River Plain

Partly sunny in the morning then clearing. Highs 45 to 52. Light and variable Winds. Becoming southwest up to 10 Mph in the afternoon.

Tonight 7 Feb Upper Snake River Plain

Partly cloudy. Lows 24 to 33. Southeast Winds up to 10 Mph.

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Lewisville Temperature Statistics

February Temperature

Idaho Falls Regional Airport (12.4 miles)

  • Lowest 2 February, 2026

    19.7 °F

  • Average February

    34.6 °F

  • Highest 1 February, 2026

    48.7 °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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