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Snow Day Calculator

Delavan-Darien School District snow day calculator

Will Delavan-Darien School District close tomorrow?

District facts

Official name
Delavan-Darien School District
Schools
5
Grades
pre-K to grade 12
Office
Delavan, WI
Official site
www.ddschools.org
Snow a year
38 in. · 4.9 days with 3+ in.
NCES ID
5503640

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 Delavan-Darien 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 Delavan-Darien School District

Snow line
About 8 in. of overnight snow
Ice line
About .19 in. of ice
Cold line
−31°F wind chill at bus time (normal winter low 14°F)
Counties
Walworth County, Rock County

Levels where a closure becomes likely in our model for ZIP 53115, from Delavan-Darien School District's local snow normal: 4.9 days a year with 3 or more inches. These are model estimates, not the district's policy.

Nearby districts

DistrictSnow a yearSnow line
Elkhorn Area School District40 in.8 in.
Whitewater Unified School District34 in.7 in.
Milton School District, WI36 in.7.5 in.
Harvard Community Unit School District 50 IL32 in.7.5 in.
North Boone Community Unit School District 200 IL38 in.7 in.
Burlington Area School District38 in.8 in.

ZIP codes Delavan-Darien School District serves

53114, 53115, 53121, 53585

ZIP codes that overlap the district's boundary (NCES EDGE GRF25). Some are shared with neighboring districts.

Check a different ZIP

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—chance of closure
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Rough adjustments, saved on this device only. What they do

From the National Weather Service forecast, updated hourly. Estimate only. Your district makes the call.

Delavan-Darien School District snow day questions

Is Delavan-Darien School District closed tomorrow?

The card above shows tomorrow's chance that Delavan-Darien 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 Delavan-Darien 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 53115, which averages 38 inches of snow a year (NOAA 1991–2020 normals).

When does Delavan-Darien 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.

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