Weather for Morrilton High School, AR - Morrilton High School, AR Weather, Current Weather in Morrilton High School, AR. Local weather report for Morrilton High School, AR, Local Morrilton High School, AR weather. Forecast for Morrilton High School, Arkansas, Morrilton High School, AR weather forecast. Find your local Morrilton High School weather forecast. Morrilton High School, AR weather conditions.