School District · Illinois
Will Chicago Public Schools close tomorrow? Live snow-day probability for Chicago, Illinois — updated every 30 minutes with the latest forecast.
It's 63°F — no snow day expected.
Chicago Public Schools operates within Chicago's municipal boundaries, which gives it a more geographically concentrated student population than a county-wide district. That tighter footprint means weather conditions across district schools are usually consistent, simplifying the closure call. The Superintendent's office reviews overnight weather data, transportation department road assessments, and (for severe events) coordinates with the city's emergency operations center.
Chicago Public Schools announces closures by 5:30 a.m. on the district website, social channels, automated parent calls, and local news partners. Because urban districts tend to have higher concentrations of students who depend on school meals and transportation, the operational cost of closure is real — closures here are reserved for events that genuinely threaten student safety rather than for borderline conditions.
Chicago sits in the continental midwest climate zone, where winter storms often arrive as mixed precipitation — rain transitioning to snow to freezing rain as Arctic fronts sweep through. Districts here typically close for events forecast to exceed 6–8 inches overnight or when significant ice accumulation is expected. Two-hour delayed starts are common for borderline events. As one of the largest districts in the country with 322,000 students, Chicago Public Schools faces enormous operational pressure to stay open — closures cost millions in disrupted programming, missed meals, and rescheduled instruction. The closure threshold here is meaningfully higher than at a smaller district facing the same forecast.
Chicago Public Schools is a municipal school district serving Chicago, Illinois and the surrounding community. The district operates within the broader Chicago school-closure ecosystem, where the city's climate (averaging 37 inches of snowfall per year) sets the baseline for how often weather events trigger closures.
SnowSense™ tracks weather conditions in Chicago every 30 minutes and calibrates the resulting snow-day probability against Illinois's school-closure patterns. The number on this page reflects the live forecast — check it again the morning of the storm.
Illinois · 339 words of Chicago Public Schools-specific context