South Milwaukee School District snow day calculator
Will South Milwaukee School District close tomorrow?
District facts
- Official name
- South Milwaukee School District
- Schools
- 6
- Grades
- pre-K to grade 12
- Office
- South Milwaukee, WI
- Official site
- www.sdsm.k12.wi.us
- Snow a year
- 49 in. · 5.0 days with 3+ in.
- NCES ID
- 5514040
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 South Milwaukee 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 South Milwaukee School District
- Snow line
- About 8 in. of overnight snow
- Ice line
- About .19 in. of ice
- Cold line
- −25°F wind chill at bus time (normal winter low 20°F)
- County
- Milwaukee County
Levels where a closure becomes likely in our model for ZIP 53172, from South Milwaukee School District's local snow normal: 5.0 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 |
|---|---|---|
| Cudahy School District | 49 in. | 8 in. |
| Oak Creek-Franklin Joint School District | 49 in. | 8 in. |
| Greendale School District | 52 in. | 8.5 in. |
| Whitnall School District | 52 in. | 8.5 in. |
| Milwaukee Public Schools | 52 in. | 8.5 in. |
| Racine Unified School District | 41 in. | 8 in. |
ZIP codes South Milwaukee School District serves
53172
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.
South Milwaukee School District snow day questions
Is South Milwaukee School District closed tomorrow?
The card above shows tomorrow's chance that South Milwaukee 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 South Milwaukee School District?
There is no fixed number: the district weighs snow totals, ice, wind chill, road crews and timing. Our model treats about 8 inches of overnight snow as the level where closures become likely around ZIP 53172, which averages 49 inches of snow a year (NOAA 1991–2020 normals).
When does South Milwaukee 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.
- Lake-effect snow and school closings
Why one Great Lakes town gets a foot and the next gets flurries, and how much it takes to close snowbelt schools.
- 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.