Lake Dardanelle Weather Forecast

    • 72
    • 87

    Chance Thunderstorms

    • 72
    • 88

    Chance Thunderstorms

    • 72
    • 90

    Slight Chance Thunderstorms

    • 66
    • 86

    Partly Sunny

    • 62
    • 81

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

Today 30 May Southern Johnson County

Mostly sunny. A chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 30 May Southern Johnson County

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 30 percent. Average rainfall 1/10 to 1/4 inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

May Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 3 May, 2026

    41.6 °F

  • Average May

    69.9 °F

  • Highest 15 May, 2026

    89.7 °F

Climate (2021–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.3 °F
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