Frederick County Public Schools Snow Day Predictor

Frederick announces closings whenever possible by 5 a.m., communicated by 5:30 a.m.; early closings by 10 a.m, by its own published protocol.

By the district website, local TV and phone call, and on the district’s own closings page.

6 for the 2026 to 2027 school year, listed on the calendar as “weather make-up days”.

June 4, 2027, on the district’s 2026 to 2027 calendar.

About 17.7 inches a winter at a NOAA weather station 13.7 miles away, averaged over 10 winters. Between December 1 and March 31 that brings 1.7 weekday mornings a year with 2 inches of new snow or more, and 0.5 with 4 inches or more.

It reads the National Weather Service forecast for Frederick through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Frederick’s own big snow morning: 3.1 inches, the top tenth of snowy weekday mornings at a NOAA weather station 13.7 miles away.

Maryland requires at least 180 school days and 1,080 hours within 10 months, with days of at least 3 hours. On a county board's application showing it tried to comply, the State Board may shorten the year when severe weather or a disaster prevented normal attendance, without cutting state or local funding.