Troy Community Consolidated School District 30C snow day calculator
Will Troy Community Consolidated School District 30C close tomorrow?
District facts
- Official name
- Troy Community Consolidated School District 30C
- Schools
- 7
- Grades
- pre-K to grade 8
- Office
- Plainfield, IL
- Official site
- www.troy30c.org
- Snow a year
- 29 in. · 2.8 days with 3+ in.
- NCES ID
- 1739510
National Center for Education Statistics (CCD 2024–25, EDGE GRF25); NOAA 1991–2020 normals. Not affiliated with the district.
Past winter days
We record what happened on each storm day (our chance, and whether Troy Community Consolidated School District 30C closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.
What it takes to close Troy Community Consolidated School District 30C
- Snow line
- About 6.5 in. of overnight snow
- Ice line
- About .17 in. of ice
- Cold line
- −26°F wind chill at bus time (normal winter low 19°F)
- Counties
- Will County, Kendall County, Grundy County
Levels where a closure becomes likely in our model for ZIP 60586, from Troy Community Consolidated School District 30C's local snow normal: 2.8 days a year with 3 or more inches. Snow varies across the district: its ZIP codes average from 17 to 33 inches a year, so the line is higher in the snowier parts. These are model estimates, not the district's policy.
Nearby districts
| District | Snow a year | Snow line |
|---|---|---|
| Plainfield School District 202 | 29 in. | 6.5 in. |
| Joliet Public School District 86 | 33 in. | 6.5 in. |
| Oswego Community Unit School District 308 | 28 in. | 7.5 in. |
| Valley View Community Unit School District 365U | 33 in. | 6.5 in. |
| Yorkville Community Unit School District 115 | 28 in. | 7.5 in. |
| Indian Prairie Community Unit School District 204 | 28 in. | 7.5 in. |
ZIP codes Troy Community Consolidated School District 30C serves
60403, 60404, 60410, 60431, 60435, 60436, 60586
ZIP codes that overlap the district's boundary (NCES EDGE GRF25). Some are shared with neighboring districts.
Check a different ZIP
Loading tonight's forecast…
Snow by hour
From the National Weather Service forecast, updated hourly. Estimate only. Your district makes the call.
Troy Community Consolidated School District 30C snow day questions
Is Troy Community Consolidated School District 30C closed tomorrow?
The card above shows tomorrow's chance that Troy Community Consolidated School District 30C closes or delays school, from tonight's National Weather Service forecast for the district's area. It is an estimate; only the district can announce a closure, usually on its website, by text or phone alert, and through local TV and radio.
How much snow does it take to close Troy Community Consolidated School District 30C?
There is no fixed number: the district weighs snow totals, ice, wind chill, road crews and timing. Our model treats about 6 inches of overnight snow as the level where closures become likely around ZIP 60586, which averages 29 inches of snow a year (NOAA 1991–2020 normals).
When does Troy Community Consolidated School District 30C announce snow days?
Districts usually decide early in the morning, after crews check the roads, and sometimes the evening before when a big storm is certain. Check the district's official website and alerts for the decision; we don't report official closings.
Guides
- How much snow cancels school?
From one inch in Atlanta to a foot in Buffalo: what it takes in every state, with NOAA data.
- What time are snow days announced?
When districts decide, how they tell families, and when to check the calculator.
- How school districts decide snow days
Who makes the call, what they check before dawn, and why neighboring districts disagree.
- Snow day vs. delay vs. early dismissal
What each one means, when districts use them, and how the calculator scores each.