Northwest R-I School District snow day calculator
Will Northwest R-I School District close tomorrow?
District facts
- Official name
- Northwest R-I School District
- Schools
- 10
- Grades
- pre-K to grade 12
- Office
- House Springs, MO
- Official site
- www.northwestschools.net
- Snow a year
- 11 in. · 1.5 days with 3+ in.
- NCES ID
- 2922890
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 Northwest R-I 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 Northwest R-I School District
- Snow line
- About 5 in. of overnight snow
- Ice line
- About .16 in. of ice
- Cold line
- −20°F wind chill at bus time (normal winter low 25°F)
- Counties
- Jefferson County, Franklin County, St. Louis County
Levels where a closure becomes likely in our model for ZIP 63051, from Northwest R-I School District's local snow normal: 1.5 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 |
|---|---|---|
| Meramec Valley R-III School District | 11 in. | 5 in. |
| Mehlville R-IX School District | 14 in. | 5 in. |
| Cahokia Community Unit School District 187 IL | 14 in. | 5 in. |
| St. Louis City School District | 14 in. | 5 in. |
| East St. Louis School District 189 IL | 14 in. | 5 in. |
| Fort Zumwalt R-II School District | 15 in. | 5.5 in. |
ZIP codes Northwest R-I School District serves
63015, 63016, 63023, 63025, 63026, 63041, 63049, 63051, 63069, 63072
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.
Northwest R-I School District snow day questions
Is Northwest R-I School District closed tomorrow?
The card above shows tomorrow's chance that Northwest R-I 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 Northwest R-I School District?
There is no fixed number: the district weighs snow totals, ice, wind chill, road crews and timing. Our model treats about 5 inches of overnight snow as the level where closures become likely around ZIP 63051, which averages 11 inches of snow a year (NOAA 1991–2020 normals).
When does Northwest R-I 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.