New Trier Township H S Winnetka Snow Day Calculator
Will New Trier Township H S Winnetka close tomorrow? Check the odds.
Powered by NOAA / National Weather ServicePowered by NOAA / National Weather ServiceWill New Trier Township H S Winnetka close tomorrow? Check the odds.
Powered by NOAA / National Weather ServiceNew Trier Township H S Winnetka is a school in Winnetka, Illinois, part of New Trier Twp HSD 203 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 New Trier Township H S Winnetka are almost always made at the district level. If New Trier Twp HSD 203 Schools closes, this school closes with it — so the district-wide forecast is usually the number that matters (see the New Trier Twp HSD 203 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.
Illinois averages about 38 inches of snow per year. Chicago Public Schools rarely close, but suburban and downstate districts close more frequently for lake-effect and prairie blizzard events.
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 New Trier Twp HSD 203 Schools before acting on it.