An unexpected arctic cold front brings an ice storm to Austin and a variety of weather-related emergencies. Meanwhile, Owen deals with the fallout of the 126 closing, as Tommy, T.K. and Gillian settle into new employment, and Judd and Grace prepare for the birth of their first baby.
Quest roles:
Billy Burke(Billy Tyson), Albert Kong(Zach), Jack Conley(Tatum), Joel Heyman(Joel), Bo Kane(Andrews), Cooper J. Friedman(Abe), Julie Benz(Sadie Becker), Cindy Drummond(Carol), Harry Groener(Joe), Angel Oquendo(Manuel), John Posey(Cole), Eric Pierpoint(Chief Bowman), Kyle Davis(Vincent Thompson), Adam Ray(Jacques), Raff Anoushian(Mark), David Haley(Greg), Frederick Lawrence(Foreman), Dominique Morton(Devin), Michelle Bonilla(Sara Ortiz), Skyler Bible(Brody), Mark Anthony Williams(Jailer), Carly Dutcher(Lindsey Robertson), Nina ConcepciĆ³n(Bree), Ken Palmer(Major Garrett), Lasaundra Gibson(Meteorologist), Montelle Harvey(News Reporter at Gym), Lisa Donahey(Kathleen)