Allegiant MD83 skidded off runway at Sioux Falls airport
An Allegiant MD83 skidded off the runway at the Sioux Falls Regional Airport Sunday. Allegiant Air confirms the plane was flight #G4456 from Las Vegas to Sioux Falls. It touched down at 11:43 a.m. Sunday. Allegiant said heavy snow conditions and crosswinds caused the plane to slide 20 feet off the runway. Airport Executive Director…