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Joliet, Illinois, 9,449 students in 22 schools

Joliet Public School District 86 Snow Day Predictor

The odds of a closing or a delay on the next three school mornings in Joliet 86, measured against Joliet 86's own big snow morning of 3.3 inches.

The next three school mornings

Will Joliet 86 close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Joliet.
Ten winters of school mornings

Joliet 86’s snow record

19.4inches of snow a winter
2.2school mornings a winter with 2 in of new snow or more
0.6with 4 in or more
3.3 ina big snow morning in Joliet 86: the top tenth of snowy school mornings
5.7school mornings a winter at 0 F or colder

More 4 inch school mornings than 52% of the 788 Illinois districts with a station record.

1.5Nov
3.4Dec
7.4Jan
6.1Feb
1.1Mar
Average snowfall by month, inches
  • Biggest day 8 in on February 10, 2018
  • Snowiest winter 2017 to 2018, 31.5 in
  • 6 in mornings 0.1 a winter
  • 1 in mornings 4.6 a winter

Measured at a NOAA weather station 2 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.

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The Illinois rule

How Illinois counts a lost day

Illinois requires a calendar of at least 185 days to guarantee 176 days of actual student attendance, each of at least 5 clock hours. The extra calendar days are emergency days used first; after they are gone, the State Superintendent may excuse days lost to an act of God or a hazard beyond the district's control without cutting state aid.

The Illinois rules in the agency’s own words, and every Illinois district

Next door

Districts near Joliet 86

DistrictSnow a winter4 in morningsBuilt in days
Joliet Township High School District 204Joliet19.4 in0.6
Lockport Township High School District 205Lockport29.2 in0.8
Troy Community Consolidated School District 30CPlainfield29 in0.6
Plainfield School District 202Plainfield29 in0.65
New Lenox School District 122New Lenox31.9 in1.1
Valley View Community Unit School District 365URomeoville29.2 in0.85
The schools

22 schools

Every school in Joliet 86 follows the district’s call: one closing covers them all.

Middle

  • Hufford Junior High School
  • Washington Jr High & Academy Prgm
  • Dirksen Junior High School
  • Gompers Junior High School
  • Will Co Detention Center 6-8

Elementary

  • Sator Sanchez Elem School
  • Lynne Thigpen Elem School
  • Pershing Elem School
  • Farragut Elem School
  • M J Cunningham Elem Sch
  • Taft Elementary School
  • T E Culbertson Elem School
  • Edna Keith Elem School
  • Woodland Elem School
  • Carl Sandburg Elementary
  • Isaac Singleton Elem Sch
  • Forest Park Individual Ed School
  • Thomas Jefferson Elem School
  • A O Marshall Elem School
  • Eisenhower Academy
  • Thompson Instructional Center

Other schools

  • Marycrest Early Childhood Center
Questions

Joliet 86 snow day questions

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More winter

More for Illinois snow days

Snow day predictorClosing and delay odds for any ZIP, with the snowiest districts in the country.Snow depth mapHow much snow is on the ground right now, measured, across the country.First snow datesWhen the first measurable snow usually lands where you live.Frozen pipesThe nights cold enough to freeze a pipe, and what to do before one.Snow plow trackerWhere the plows are during a storm, city by city.Illinois winter forecastThe season ahead for Illinois: snowfall, cold and the first snow.
A residential street under deep snow on a bright blue morning, cars parked along the curb buried into smooth white mounds, one set of tire tracks down the middle
The morning after a big one: cars buried to the mirrors and one set of tracks down the middle. A street like this is a closing, no debate. Photo, Fairfax, Virginia, January 2016: Jarek Tuszyński, CC BY 4.0

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.