Todd County School District 66-1 snow day calculator
Will Todd County School District 66-1 close tomorrow?
District facts
- Official name
- Todd County School District 66-1
- Schools
- 13
- Grades
- kindergarten to grade 12
- Office
- Mission, SD
- Official site
- www.tcsdk12.org
- Snow a year
- 42 in. · 4.8 days with 3+ in.
- NCES ID
- 4672090
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 Todd County School District 66-1 closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.
What it takes to close Todd County School District 66-1
- Snow line
- About 8 in. of overnight snow
- Ice line
- About .19 in. of ice
- Cold line
- −32°F wind chill at bus time (normal winter low 13°F)
- Counties
- Todd County, Cherry County, Mellette County, Tripp County
Levels where a closure becomes likely in our model for ZIP 57555, from Todd County School District 66-1's local snow normal: 4.8 days a year with 3 or more inches. Snow varies across the district: its ZIP codes average from 29 to 50 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 |
|---|---|---|
| Valentine Community Schools NE | 29 in. | 7 in. |
| Kadoka Area School District 35-2 | 38 in. | 8 in. |
| Oglala Lakota County School District 65-1 | 46 in. | 8 in. |
| Platte - Geddes School District 11-5 | 46 in. | 8.5 in. |
| Pierre School District 32-2 | 37 in. | 7 in. |
| Kimball School District 07-2 | 38 in. | 8 in. |
ZIP codes Todd County School District 66-1 serves
57555, 57563, 57566, 57570, 57572, 57580, 69201, 69212, 69216
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.
Todd County School District 66-1 snow day questions
Is Todd County School District 66-1 closed tomorrow?
The card above shows tomorrow's chance that Todd County School District 66-1 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 Todd County School District 66-1?
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 57555, which averages 42 inches of snow a year (NOAA 1991–2020 normals).
When does Todd County School District 66-1 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.
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.