Weather for Harry S Truman Regional, MO - Harry S Truman Regional, MO Weather, Current Weather in Harry S Truman Regional, MO. Local weather report for Harry S Truman Regional, MO, Local Harry S Truman Regional, MO weather. Forecast for Harry S Truman Regional, Missouri, Harry S Truman Regional, MO weather forecast. Find your local Harry S Truman Regional weather forecast. Harry S Truman Regional, MO weather conditions.