Great Valley MS Snow Day Calculator
Will Great Valley MS close tomorrow? Check the odds.
Powered by NOAA / National Weather ServicePowered by NOAA / National Weather ServiceWill Great Valley MS close tomorrow? Check the odds.
Powered by NOAA / National Weather ServiceGreat Valley MS is a school in Malvern, Pennsylvania, part of Great Valley SD Schools. The forecast above uses the school's own coordinates, so it reflects conditions at this campus rather than an average across the wider area.
Closure decisions for Great Valley MS are almost always made at the district level. If Great Valley SD Schools closes, this school closes with it — so the district-wide forecast is usually the number that matters (see the Great Valley SD Schools forecast).
Suburban districts depend heavily on bus fleets covering a wide area of residential streets, which are plowed after main roads. Side-street conditions at 5 AM often decide the call.
Pennsylvania averages about 35 inches of snow per year. Erie and northeastern PA see heavy lake-effect snow, while Philadelphia-area districts close more preemptively. Pittsburgh splits the difference.
We score the live forecast at this location against the factors that drive closure calls: snowfall total and intensity, when the heaviest accumulation lands relative to the morning commute, ice and freezing rain, wind chill, and how confident the forecast models are. You get a probability for a full closure, a two-hour delay, and an early dismissal.
This is an independent forecast, not an official announcement. Confirm any closure with Great Valley SD Schools before acting on it.