NEW : The Flagstaff Unified School District said its schools would be closed Monday . Many schools and colleges announce Monday closures . Interstate 40 is closed from Kingman east to Winslow , official route . Parts of Interstate 17 are also closed .
NEW : Many schools and colleges announce Monday closures . Interstate 40 is closed from Kingman east to Winslow , official route . Parts of Interstate 17 are also closed .