HARFORD COUNTY, Md. — Harford County parents, get ready for some more snow-mandated quality time with your kids. WATCH: Harford County extends snow days through Friday while other districts go virtual Harford County cancels school Thursday and Friday, extending snow closures through end of the weekHarford County students' desks will remain empty this week. Harford County Public Schools has canceled school for Thursday and Friday because of the snow and ice in the area. Tomlinson told WMAR-2 News that her neighborhood in North Harford County is still a work in progress when it comes to cleanup.