Lewis Weather Forecast

    • 73
    • 98

    Chance Thunderstorms

    • 73
    • 96

    Slight Chance Thunderstorms

    • 75
    • 97

    Hot

    • 76
    • 97

    Hot

    • 76
    • 97

    Hot

    • 76
    • 98

    Hot

Today 7 Aug Northern Scott County

Mostly sunny. A chance of Thunderstorms with a slight chance of Showers. Highs in the mid 90s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Average rainfall less than 1/10 inch.

Tonight 7 Aug Northern Scott County

Mostly sunny Early, then becoming mostly cloudy. A chance of Showers. A chance of Thunderstorms, mainly this evening. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 50 percent. Average rainfall 1/10 to 1/4 inch. Heat index Values up to 105 early this evening.

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Lewis Temperature Statistics

August Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 2 August, 2026

    70.6 °F

  • Average August

    84.4 °F

  • Highest 5 August, 2026

    102 °F

Climate (2021–2026)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.3 °F
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