Mountainburg Weather Forecast

    • 51
    • 60

    Rain Showers

    • 42
    • 58

    Rain Showers

    • 34
    • 57

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

    • 46
    • 66

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

Today 29 Jan Crawford

Mostly cloudy. A slight chance of Showers this afternoon. Highs in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 29 Jan Crawford

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Not as cool with Lows around 50. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

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Mountainburg Temperature Statistics

January Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 20 January, 2025

    13.7 °F

  • Average January

    35.1 °F

  • Highest 16 January, 2025

    62.7 °F

Climate (2020–Present)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    63.5 °F

  • Average High 2020–2025

    74.6 °F
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