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Snow Day Calculator

Crook County School District #1 snow day calculator

Will Crook County School District #1 close tomorrow?

District facts

Official name
Crook County School District #1
Schools
5
Grades
kindergarten to grade 12
Office
Sundance, WY
Official site
www.crook1.com
Snow a year
81 in. · 9.1 days with 3+ in.
NCES ID
5602370

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 Crook County School District #1 closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.

What it takes to close Crook County School District #1

Snow line
About 10.5 in. of overnight snow
Ice line
About .21 in. of ice
Cold line
−31°F wind chill at bus time (normal winter low 14°F)
Counties
Crook County, Weston County, Butte County, Carter County

Levels where a closure becomes likely in our model for ZIP 82729, from Crook County School District #1's local snow normal: 9.1 days a year with 3 or more inches. Snow varies across the district: its ZIP codes average from 37 to 114 inches a year, so the line is higher in the snowier parts. These are model estimates, not the district's policy.

Nearby districts

DistrictSnow a yearSnow line
Spearfish School District 40-2 SD71 in.9 in.
Custer School District 16-1 SD58 in.10 in.
Meade School District 46-1 SD56 in.9.5 in.
Rapid City Area School District 51-4 SD54 in.8 in.
Campbell County School District #141 in.8 in.
Converse County School District #159 in.9.5 in.

ZIP codes Crook County School District #1 serves

57717, 82710, 82711, 82712, 82714, 82720, 82721, 82727, 82729, 82730

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.

Crook County School District #1 snow day questions

Is Crook County School District #1 closed tomorrow?

The card above shows tomorrow's chance that Crook County School District #1 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 Crook County School District #1?

There is no fixed number: the district weighs snow totals, ice, wind chill, road crews and timing. Our model treats about 11 inches of overnight snow as the level where closures become likely around ZIP 82729, which averages 81 inches of snow a year (NOAA 1991–2020 normals).

When does Crook County School District #1 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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