As an artic blast continues to drop temperatures into the low 20s, school districts across Maryland have adjusted their schedules for Tuesday, Jan. 21. Here’s a list of schools that have closed or are operating on a delayed schedule.

Despite the long weekend and Monday school closures for Martin Luther King Jr. Day, some districts are already announcing delays for Tuesday.

One school delay is already in place, with Maryland expected to see bitter cold across the state beginning Monday evening.