Northern Arizona received heavy snowfall over the holiday weekend. Road closures were set in place and snowplows are working to get the streets cleared.
With more snow expected, Northern Arizona University announced it was canceling all classes Tuesday on the Flagstaff Mountain Campus due to the weather.
The National Weather Service says a winter storm dumped up to nearly 20 inches of snow in northern Arizona on Sunday with the Flagstaff area getting between 12 and 18 inches of snowfall.