Weather for Lake Dardanelle, AR - Lake Dardanelle, AR Weather, Current Weather in Lake Dardanelle, AR. Local weather report for Lake Dardanelle, AR, Local Lake Dardanelle, AR weather. Forecast for Lake Dardanelle, Arkansas, Lake Dardanelle, AR weather forecast. Find your local Lake Dardanelle weather forecast. Lake Dardanelle, AR weather conditions.