Fort Smith Weather Forecast

    • 28
    • 56

    Chance Rain

    • 32
    • 52

    Mostly Cloudy

    • 13
    • 35

    Snow/Sleet

    • 12
    • 19

    Snow

    • 3
    • 25

    Partly Sunny

    • 7
    • 31

    Mostly Sunny

Today 21 Jan Sebastian

Mostly cloudy with a chance of rain in the Morning, then mostly sunny in the afternoon. Highs in the mid 50s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 21 Jan Sebastian

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows in the upper 20s. Northwest Winds around 5 Mph, becoming east after midnight.

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Fort Smith Temperature Statistics

January Temperature

Fort Smith Regional Airport (3.7 miles)

  • Lowest 18 January, 2026

    14 °F

  • Average January

    46.5 °F

  • Highest 8 January, 2026

    73 °F

Climate (2021–Present)

Fort Smith Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    75.5 °F
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