Lake Dardanelle Weather Forecast
- 79
- 95
Slight Chance Thunderstorms
- 79
- 100
Hot
- 80
- 101
Hot
- 80
- 102
Hot
- 79
- 98
Hot
- 77
- 98
Slight Chance Thunderstorms
Today 25 Jul Southern Johnson County
Sunny, warmer with Highs in the upper 90s. South Winds around 5 Mph, becoming southwest this afternoon. Average rainfall less than 1/10 inch. Heat index Values up to 115 this afternoon.
Tonight 25 Jul Southern Johnson County
Partly cloudy. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Average rainfall less than 1/10 inch. Heat index Values up to 113 early in the evening.
Lake Dardanelle Temperature Statistics
July Temperature
Russelville Municipal Airport (15.5 miles)
Lowest 7 July, 2026
68.6 °FAverage July
83.8 °FHighest 21 July, 2026
104.6 °F
Climate (2021–2026)
Russelville Municipal Airport (15.5 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
63.8 °FAverage High 2021–2026
75.5 °F