Lake Dardanelle Weather Forecast

    • 66
    • 82

    Rain Showers Likely

    • 67
    • 80

    Rain Showers

    • 67
    • 82

    Rain Showers Likely

    • 67
    • 81

    Rain Showers Likely

    • 67
    • 81

    Chance Thunderstorms

Today 25 May Southern Johnson County

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 25 May Southern Johnson County

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. East Winds around 5 Mph. Chance of rain 20 percent. Average rainfall less than 1/10 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

    68.7 °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

    63.6 °F

  • Average High 2021–2026

    75.3 °F
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