( CNN ) -- A winter storm packing heavy snow and gusty winds forced authorities to close 180 miles of Interstate 40 in northern Arizona on Sunday until further notice . The road was closed in both directions about 6:30 a.m. ( 9:30 a.m . ET ) , said David Beck , dispatch supervisor for the Flagstaff office of the Arizona Highway Patrol . The closure stretched roughly from Kingman in western Arizona to eastward to Winslow , including the city of Flagstaff , he said . Portions of Interstate 17 south of Flagstaff were also closed , according to the Arizona Department of Transportation 's website , as were several state roads . As of 9 a.m. Sunday , Flagstaff -- with an elevation of about 6,900 feet -- had received 10 to 14 inches of snow , according to the National Weather Service . The city of Prescott had received 8 to 12 inches . Areas above 7,000 feet could see up to 22 inches , according to the weather service . Several crashes and reports of stuck vehicles had been reported as of Sunday morning , Beck said , with one person sustaining minor injuries on I-40 . The Flagstaff Unified School District said its schools would be closed Monday . Northern Arizona University said its Flagstaff campus would be closed Monday , and Coconino Community College said its Flagstaff and Page campuses would be closed . Much of Arizona remained under a winter weather advisory or a winter storm warning on Sunday . The warning was in effect until midnight Sunday . In addition to heavy snow , wind gusts of up to 30 mph were forecast for the Flagstaff area , according to the National Weather Service . CNN 's Maggie Schneider and Ashley Hayes contributed to this report .
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 .