Lewisville Weather Forecast

    • 29
    • 51

    Chance Rain Showers

    • 33
    • 56

    Partly Sunny

    • 34
    • 56

    Rain Showers

    • 22
    • 47

    Snow Likely

    • 23
    • 47

    Mostly Sunny

    • 30
    • 55

    Partly Sunny

    • 36
    • 63

    Partly Sunny

Today 13 Apr Upper Snake River Plain

Mostly sunny with a slight chance of rain Showers and snow Showers in the morning. Then mostly cloudy with a chance of rain Showers and snow Showers in the afternoon. Windy. No snow accumulation. Highs 47 to 54. Southwest Winds 20 to 30 Mph.

Tonight 13 Apr Upper Snake River Plain

Mostly cloudy with a chance of rain Showers in the evening. Then partly cloudy after midnight. Patchy fog after midnight. Colder. Lows 24 to 32. Southwest Winds 10 to 15 Mph decreasing to up to 10 Mph after midnight.

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Lewisville Temperature Statistics

April Temperature

Idaho Falls Regional Airport (12.4 miles)

  • Lowest 5 April, 2026

    25.6 °F

  • Average April

    48.1 °F

  • Highest 10 April, 2026

    76.6 °F

Climate (2021–Present)

Idaho Falls Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59.9 °F
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