Lewis Weather Forecast

    • 52
    • 61

    Chance Rain Showers

    • 31
    • 64

    Chance Rain Showers

    • 40
    • 58

    Mostly Sunny

    • 43
    • 69

    Partly Sunny

    • 43
    • 65

    Mostly Cloudy

    • 46
    • 62

    Mostly Cloudy

Today 17 Dec Northern Scott County

Mostly cloudy. Highs around 60. South Winds around 5 Mph.

Tonight 17 Dec Northern Scott County

Mostly cloudy with a 50 percent chance of Showers. Not as cool with Lows in the lower 50s. Temperature rising into the upper 50s after midnight. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Average rainfall less than 1/10 inch.

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Lewis Temperature Statistics

December Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 15 December, 2025

    21.9 °F

  • Average December

    40.8 °F

  • Highest 12 December, 2025

    69.1 °F

Climate (2020–Present)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    53.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    75.3 °F
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