Adams 12 Five Star Schools snow day calculator
Will Adams 12 Five Star Schools close tomorrow?
District facts
- Official name
- Adams 12 Five Star Schools
- Schools
- 54
- Grades
- pre-K to grade 12
- Office
- Thornton, CO
- Official site
- www.adams12.org
- Snow a year
- 45 in. · 4.9 days with 3+ in.
- NCES ID
- 0806900
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 Adams 12 Five Star Schools closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.
What it takes to close Adams 12 Five Star Schools
- 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)
- Counties
- Adams County, Broomfield County, Jefferson County, Boulder County
Levels where a closure becomes likely in our model for ZIP 80241, from Adams 12 Five Star Schools's local snow normal: 4.9 days a year with 3 or more inches. Snow varies across the district: its ZIP codes average from 34 to 74 inches a year, so the line is higher in the snowier parts. These are model estimates, not the district's policy.
Nearby districts
| District | Snow a year | Snow line |
|---|---|---|
| School District 27J | 35 in. | 6.5 in. |
| Westminster Public Schools | 45 in. | 8 in. |
| Mapleton School District No. 1 | 41 in. | 7.5 in. |
| Adams County School District 14 | 35 in. | 6.5 in. |
| Denver Public Schools | 41 in. | 7.5 in. |
| Boulder Valley School District No. Re2 | 85 in. | 11 in. |
ZIP codes Adams 12 Five Star Schools serves
80020, 80023, 80031, 80221, 80229, 80233, 80234, 80241, 80260, 80602
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.
Adams 12 Five Star Schools snow day questions
Is Adams 12 Five Star Schools closed tomorrow?
The card above shows tomorrow's chance that Adams 12 Five Star 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 Adams 12 Five Star Schools?
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 80241, which averages 45 inches of snow a year (NOAA 1991–2020 normals).
When does Adams 12 Five Star 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.
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.
- 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.
- Snow day vs. delay vs. early dismissal
What each one means, when districts use them, and how the calculator scores each.