Mountainburg Weather Forecast

    • 74
    • 86

    Slight Chance Thunderstorms

    • 73
    • 89

    Partly Sunny

    • 75
    • 90

    Mostly Sunny

    • 75
    • 91

    Sunny

    • 75
    • 93

    Sunny

    • 75
    • 92

    Mostly Sunny

Today 26 Jun Northern Crawford

Partly sunny. A slight chance of Showers and Thunderstorms late this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 26 Jun Northern Crawford

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountainburg Temperature Statistics

June Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 16 June, 2026

    67.6 °F

  • Average June

    80.5 °F

  • Highest 1 June, 2026

    96.7 °F

Climate (2021–2026)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.2 °F
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