Lake Dardanelle Weather Forecast

    • 20
    • 31

    Increasing Clouds

    • 27
    • 44

    Becoming Sunny

    • 41
    • 57

    Partly Sunny

    • 30
    • 55

    Chance Rain Showers

    • 26
    • 47

    Partly Sunny

    • 33
    • 51

    Sunny

    • 35
    • 63

    Mostly Sunny

Today 31 Jan Southern Johnson County

Sunny, Colder with Highs in the lower 30s. West Winds around 5 Mph.

Tonight 31 Jan Southern Johnson County

Partly cloudy this Evening, then mostly cloudy with a chance of Flurries after midnight. Cold with Lows around 15. West Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Dardanelle Temperature Statistics

January Temperature

Russelville Municipal Airport (15.5 miles)

  • Lowest 18 January, 2026

    16.6 °F

  • Average January

    46.1 °F

  • Highest 8 January, 2026

    76.6 °F

Climate (2021–Present)

Russelville Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    74.7 °F
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