Slick roads were also being blamed for a series of crashes on Interstate 60 north of Indianapolis that sent two people to area hospitals with life-threatening injuries.

WSJ: Spring snowstorm hits central states, pushes east

And major highways in Texas, including portions of Interstate 40 and U.S. Highways 60, 87 and 187, were closed because of blizzard conditions.

CNN: 'Truly a historic blizzard,' weather service says

Border Patrol officers originally spotted the white Ford Excursion around 4:30 a.m. off the side of Interstate 8 in western Pinal County, about 60 miles south of Phoenix.

CNN: 5 bodies found in burned-out SUV in Arizona desert