Lancaster School District Snow Day Predictor

By the district website, social media, local TV, radio, text message, email and the district app, and on the district’s own closings page.

It can. Lancaster has Flexible Instructional Days in its winter plan, up to 5 a year. When a closing gets likely, the morning here reads "Snow day or remote day".

2 hours: on a delay morning every school starts that much later.

May 26, 2027, on the district’s 2026 to 2027 calendar.

About 18.5 inches a winter at a NOAA weather station 2 miles away, averaged over 10 winters. Between December 1 and March 31 that brings 1.9 weekday mornings a year with 2 inches of new snow or more, and 0.6 with 4 inches or more.

It reads the National Weather Service forecast for Lancaster 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 Lancaster’s own big snow morning: 4.2 inches, the top tenth of snowy weekday mornings at a NOAA weather station 2 miles away.

Pennsylvania requires either 180 days, or hours: 900 for kindergarten through grade 6 and 990 for grades 7 to 12, as the district chooses. The state forgives no days; districts are expected to build make-up days into the calendar for closures beyond any Flexible Instructional Days.