Troy R-III School District snow day calculator
Will Troy R-III School District close tomorrow?
District facts
- Official name
- Troy R-III School District
- Schools
- 11
- Grades
- pre-K to grade 12
- Office
- Troy, MO
- Official site
- WWW.TROY.K12.MO.US
- Snow a year
- 16 in. · 2.0 days with 3+ in.
- NCES ID
- 2930450
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 R-III School District closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.
What it takes to close Troy R-III School District
- Snow line
- About 5.5 in. of overnight snow
- Ice line
- About .16 in. of ice
- Cold line
- −22°F wind chill at bus time (normal winter low 23°F)
- Counties
- Lincoln County, Montgomery County, Warren County
Levels where a closure becomes likely in our model for ZIP 63379, from Troy R-III School District's local snow normal: 2.0 days a year with 3 or more inches. These are model estimates, not the district's policy.
Nearby districts
| District | Snow a year | Snow line |
|---|---|---|
| Fort Zumwalt R-II School District | 15 in. | 5.5 in. |
| Jersey Community Unit School District 100 IL | 13 in. | 5.5 in. |
| Meramec Valley R-III School District | 11 in. | 5 in. |
| Northwest R-I School District | 11 in. | 5 in. |
| Mexico 59 School District | 19 in. | 5.5 in. |
| St. Louis City School District | 14 in. | 5 in. |
ZIP codes Troy R-III School District serves
63333, 63347, 63349, 63362, 63369, 63377, 63379, 63381, 63389
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 R-III School District snow day questions
Is Troy R-III School District closed tomorrow?
The card above shows tomorrow's chance that Troy R-III School District 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 R-III School District?
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 63379, which averages 16 inches of snow a year (NOAA 1991–2020 normals).
When does Troy R-III School District 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.