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