Corvallis K-12 Schools snow day calculator
Will Corvallis K-12 Schools close tomorrow?
District facts
- Official name
- Corvallis K-12 Schools
- Schools
- 10
- Grades
- pre-K to grade 12
- Office
- Corvallis, MT
- Official site
- corvallisschools.org
- Snow a year
- 17 in. · 1.6 days with 3+ in.
- NCES ID
- 3007410
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 Corvallis K-12 Schools closed, delayed or opened) from parent reports. The first days appear here this winter. Report today's decision.
What it takes to close Corvallis K-12 Schools
- Snow line
- About 5 in. of overnight snow
- Ice line
- About .16 in. of ice
- Cold line
- −25°F wind chill at bus time (normal winter low 20°F)
- County
- Ravalli County
Levels where a closure becomes likely in our model for ZIP 59828, from Corvallis K-12 Schools's local snow normal: 1.6 days a year with 3 or more inches. These are model estimates, not the district's policy.
Nearby districts
| District | Snow a year | Snow line |
|---|---|---|
| Missoula Elementary School District | 43 in. | 7 in. |
| Frenchtown K-12 Schools | 49 in. | 7.5 in. |
| Helena Elementary School District | 37 in. | 6.5 in. |
| East Helena K-12 | 37 in. | 6.5 in. |
| Orofino Joint School District 171 ID | 18 in. | 5.5 in. |
| McCall-Donnelly Joint School District 421 ID | 132 in. | 15 in. |
ZIP codes Corvallis K-12 Schools serves
59828, 59840, 59841, 59875
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.
Corvallis K-12 Schools snow day questions
Is Corvallis K-12 Schools closed tomorrow?
The card above shows tomorrow's chance that Corvallis K-12 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 Corvallis K-12 Schools?
There is no fixed number: the district weighs snow totals, ice, wind chill, road crews and timing. Our model treats about 5 inches of overnight snow as the level where closures become likely around ZIP 59828, which averages 17 inches of snow a year (NOAA 1991–2020 normals).
When does Corvallis K-12 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.