Lewisville Weather Forecast

    • 42
    • 62

    Rain Showers

    • 38
    • 53

    Rain Showers

    • 33
    • 48

    Rain Showers Likely

    • 30
    • 52

    Partly Sunny

    • 32
    • 53

    Mostly Sunny

    • 34
    • 61

    Chance Rain Showers

Today 14 Oct Upper Snake River Plain

Rain Showers likely and a slight chance of Thunderstorms in the morning. Then a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 54 to 63. East Winds 10 to 15 Mph. Shifting to south in the afternoon. Chance of precipitation 70 percent.

Tonight 14 Oct Upper Snake River Plain

Rain Showers. Lows 36 to 43. Northeast Winds 10 to 15 Mph.

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Lewisville Temperature Statistics

October Temperature

Idaho Falls Regional Airport (12.4 miles)

  • Lowest 6 October, 2025

    30 °F

  • Average October

    52.7 °F

  • Highest 9 October, 2025

    78.1 °F

Climate (2020–Present)

Idaho Falls Regional Airport (12.4 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    58.9 °F
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