Snow Day Calculator for Green Bay, WI
Will Green Bay schools be closed tomorrow?
Tomorrow by school district
| District | Closure | Link |
|---|---|---|
| Green Bay Area Public School District | — | — |
| Howard-Suamico School District | — | — |
Districts serving Green Bay ZIP codes (NCES). Chances from the National Weather Service forecast.
Not listed? Enter your ZIP
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Snow by hour
From the National Weather Service forecast, updated hourly. Estimate only. Your district makes the call.
Snow in Green Bay: what is normal
- Snow a year
- 56 in.
- Days with 3+ in.
- 5.8
- Days with 1+ in.
- 16.7
NOAA NCEI U.S. Climate Normals 1991–2020, Green Bay, WI station. Averages per year.
Green Bay gets snow most winters, so districts plan for it. The calculator scales each storm by this local normal: in Green Bay, closures usually take about 9 inches overnight, or ice, or snow at the worst time of the morning. How the calculator works.
What closes schools in Green Bay (our model)
| Overnight snow | about 9 inches |
|---|---|
| Ice (freezing rain) | about 0.19 in. |
| Wind chill at bus time | −31°F |
| Normal winter low | 14°F |
Levels where a closure becomes likely in our model, from NOAA normals. Not a district policy.
ZIP codes covered
54302, 54301, 54303
ZIP codes inside or near Green Bay. Each has its own forecast; enter yours above for your district.
Green Bay snow day questions
Will Green Bay, WI schools be closed tomorrow?
The calculator above shows tomorrow's chance of a closure and of a delay for each Green Bay-area school district, from tonight's National Weather Service forecast. It updates every hour from the afternoon until morning. It is an estimate: your district makes and announces the decision, often early in the morning or the evening before a big storm.
How much snow does Green Bay, WI get?
Green Bay averages 56 inches of snow a year, with about 5.8 days a year of 3 inches or more and 16.7 days of an inch or more (NOAA 1991–2020 climate normals, Green Bay, WI station).
How much snow does it take to close schools in Green Bay, WI?
Our model treats about 9 inches of snow falling overnight as the level where closures become likely in Green Bay, because the area sees 5.8 days a year with 3+ inches and is used to plowing. Ice, a winter storm warning, or heavy snow right at bus time can close schools with less.
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.
- Wind chill and school closings
How cold is too cold for school, the NWS cold alerts, and local cold lines by city.
Nearby
Green Bay: did school close today?
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