Winter conditions were creating problems for motorists and others at both ends of Arizona on Tuesday.
Difficult driving conditions and road closures were reported on many Arizona highways because of winter weather.
Cochise County government delayed opening some of its facilities while county workers battled the driving conditions to reach work.
In Flagstaff, schools didn't open until 10 a.m. because of icy roads.
In southeastern Arizona, the Cochise County Sheriff's Office said Highway 80 between Bisbee and Douglas was closed Tuesday morning because of snow.
Other highways in Cochise County with closures Tuesday morning included segments of Routes 181, 186 and 191, according to the sheriff's office.
Here is the list of road conditions provided by the sheriff's office:
Highway 80 and 90, use extreme caution because of snow conditions
Highway 92 east of San Pedro River, snow advisory, strong weather warning, use extreme caution
Mule Mountain Tunnel passable, road crews putting down salt, beware of black ice
Douglas to Bisbee, Highway 80 closed because of snow, no alternate routes
Davis Road and Double Adobe Road closed because of snow
Highway 191 north closed because of snow and high winds
Highway 186 and Highway 181 closed
The Melody Lane county offices, the old Bisbee Courthouse on Quality Hill, the old administration building and the old Bisbee High School were closed until 10 a.m., according to the county.
Jurors were told to report for jury duty at 10 a.m., two hours later than scheduled.
County workers who use Highway 80, Double Adobe Road or Highway 101 to get to work had their start times delayed until 10 a.m. The Board of Supervisors meeting was not expected to affected.
Navajo Highway 13 was closed through Buffalo Pass on the Navajo Reservation because of dangerous icy conditions. The road was being plowed, but road conditions were "too dangerous" for travelers, said spokesman Roscoe Tsosie.
Copyright 2013 CBS 5 (KPHO Broadcasting Corporation). All rights reserved. The Associated Press contributed to this report.