Lewisville Weather Forecast

    • 49
    • 80

    Increasing Clouds

    • 43
    • 69

    Rain Showers

    • 39
    • 55

    Rain Showers

    • 36
    • 55

    Chance Rain

    • 33
    • 55

    Chance Rain

    • 32
    • 54

    Chance Rain

Today 9 Oct Upper Snake River Plain

Sunny. Highs 74 to 82. East Winds up to 10 Mph. Shifting to southwest with Gusts to around 25 Mph in the afternoon.

Tonight 9 Oct Upper Snake River Plain

Partly cloudy in the evening. Then mostly cloudy with isolated rain Showers after midnight. Lows 45 to 55. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 20 percent.

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Lewisville Temperature Statistics

October Temperature

Idaho Falls Regional Airport (12.4 miles)

  • Lowest 2 October, 2026

    37.7 °F

  • Average October

    59.4 °F

  • Highest 5 October, 2026

    84 °F

Climate (2021–2026)

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

    60 °F
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