Lake Dardanelle Weather Forecast

    • 73
    • 90

    Mostly Sunny

    • 72
    • 91

    Slight Chance Rain Showers

    • 65
    • 85

    Mostly Sunny

    • 63
    • 81

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 70
    • 83

    Chance Thunderstorms

    • 71
    • 83

    Rain Showers Likely

Today 31 May Southern Johnson County

Sunny. A slight chance of Showers with isolated Thunderstorms. Highs around 90. East Winds around 5 Mph, becoming south. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

Tonight 31 May Southern Johnson County

Mostly clear. Lows in the lower 70s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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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

    70.2 °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

    52.4 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.4 °F
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