Lake Dardanelle Weather Forecast

    • 73
    • 95

    Thunderstorms Likely

    • 75
    • 91

    Decreasing Clouds

    • 74
    • 90

    Mostly Sunny

    • 74
    • 88

    Slight Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

    • 77
    • 93

    Mostly Sunny

    • 78
    • 95

    Mostly Sunny

Today 11 Jul Southern Johnson County

Mostly sunny with a chance of Thunderstorms. A chance of Showers Early, then Showers likely. Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 70 percent. Average rainfall 1/10 to 1/4 inch. Heat index Values up to 109.

Tonight 11 Jul Southern Johnson County

A chance of Thunderstorms. Showers likely. Lows in the lower 70s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent. Average rainfall 1/4 to 1/2 inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

July Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 7 July, 2026

    68.6 °F

  • Average July

    83.5 °F

  • Highest 1 July, 2026

    96.7 °F

Climate (2021–2026)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    75.4 °F
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