Lewis Weather Forecast

    • 64
    • 88

    Decreasing Clouds

    • 60
    • 88

    Partly Sunny

    • 61
    • 86

    Partly Sunny

    • 63
    • 90

    Mostly Cloudy

    • 64
    • 91

    Partly Sunny

    • 64
    • 93

    Slight Chance Thunderstorms

Today 22 Sep Northern Scott County

Mostly sunny. Highs around 90. Northeast Winds around 5 Mph. Average rainfall less than 1/10 inch.

Tonight 22 Sep Northern Scott County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Lewis Temperature Statistics

September Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 11 September, 2026

    74.6 °F

  • Average September

    90.1 °F

  • Highest 4 September, 2026

    106.6 °F

Climate (2021–2026)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    76.6 °F
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