Francis Howell R-III School District Snow Day Predictor

Francis Howell R-III announces closings Roads are driven around 3:30 a.m. and the district tries to decide by 5:00 a.m, by its own published protocol.

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

It can. Francis Howell R-III has remote learning days in its winter plan, up to 5 a year. When a closing gets likely, the morning here reads "Snow day or remote day".

May 28, 2027, on the district’s 2026 to 2027 calendar.

About 14.4 inches a winter at a NOAA weather station 2.3 miles away, averaged over 10 winters. Between December 1 and March 31 that brings 1.2 weekday mornings a year with 2 inches of new snow or more, and 0.3 with 4 inches or more.

It reads the National Weather Service forecast for O'Fallon 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 Francis Howell R-III’s own big snow morning: 2.4 inches, the top tenth of snowy weekday mornings at a NOAA weather station 2.3 miles away.

Missouri requires at least 1,044 hours of actual pupil attendance, plus 36 make-up hours built into the calendar for bad weather. A district must make up the first 36 weather hours and half of any hours beyond that, but never more than 60 make-up hours in total; anything past that is excused.