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Snow Day Calculator

Anne Arundel County Public Schools snow day calculator

Will Anne Arundel County Public Schools close tomorrow?

District facts

Official name
Anne Arundel County Public Schools
Schools
128
Grades
pre-K to grade 12
Office
Annapolis, MD
Official site
www.aacps.org
Snow a year
19 in. · 2.0 days with 3+ in.
NCES ID
2400060

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 Anne Arundel County Public Schools closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.

What it takes to close Anne Arundel County Public Schools

Snow line
About 5.5 in. of overnight snow
Ice line
About .16 in. of ice
Cold line
−20°F wind chill at bus time (normal winter low 27°F)
Counties
Anne Arundel County, Calvert County, Howard County, Baltimore city

Levels where a closure becomes likely in our model for ZIP 21401, from Anne Arundel County Public Schools'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

DistrictSnow a yearSnow line
Prince George's County Public Schools16 in.5.5 in.
Baltimore City Public Schools19 in.5.5 in.
Howard County Public Schools29 in.6 in.
Queen Anne's County Public Schools17 in.5.5 in.
Talbot County Public Schools14 in.5 in.
Baltimore County Public Schools29 in.6 in.

ZIP codes Anne Arundel County Public Schools serves

20701, 20711, 20714, 20724, 20733, 20736, 20751, 20754, 20755, 20758, 20764, 20765, 20776, 20778, 20779, 20794, 21012, 21032, 21035, 21037, 21054, 21056, 21060, 21061, 21076, 21077, 21090, 21108, 21113, 21114, 21122, 21140, 21144, 21146, 21225, 21226, 21240, 21401, 21402, 21403, 21405, 21409

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
—chance of a delay

Snow by hour

Adjust for your school

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.

Anne Arundel County Public Schools snow day questions

Is Anne Arundel County Public Schools closed tomorrow?

The card above shows tomorrow's chance that Anne Arundel County Public Schools 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 Anne Arundel County Public Schools?

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 21401, which averages 19 inches of snow a year (NOAA 1991–2020 normals).

When does Anne Arundel County Public Schools 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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