The airplane was destroyed during impact with terrain at 2145 Central time. The private pilot and two passengers received fatal injuries. Visual conditions prevailed. While maneuvering for an approach, ATC asked the pilot if he was encountering any icing. The pilot replied, “negative.” Radar contact was lost shortly thereafter. A local weather observation included winds from 170 degrees at four knots, visibility 10 miles, an overcast at 1100 feet AGL and temperature of -10 degrees C.