Snow Day Calculator for Sioux Falls, SD
Will Sioux Falls schools be closed tomorrow?
Tomorrow by school district
| District | Closure | Link |
|---|---|---|
| Sioux Falls School District 49-5 | — | — |
| Brandon Valley School District 49-2 | — | — |
| Harrisburg School District 41-2 | — | — |
| Canton School District 41-1 | — | — |
Districts serving Sioux Falls ZIP codes (NCES). Chances from the National Weather Service forecast.
Not listed? Enter your ZIP
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Snow by hour
From the National Weather Service forecast, updated hourly. Estimate only. Your district makes the call.
Snow in Sioux Falls: what is normal
- Snow a year
- 45 in.
- Days with 3+ in.
- 4.9
- Days with 1+ in.
- 12.5
NOAA NCEI U.S. Climate Normals 1991–2020, Sioux Falls, SD station. Averages per year.
Sioux Falls gets snow most winters, so districts plan for it. The calculator scales each storm by this local normal: in Sioux Falls, closures usually take about 8 inches overnight, or ice, or snow at the worst time of the morning. How the calculator works.
What closes schools in Sioux Falls (our model)
| Overnight snow | about 8 inches |
|---|---|
| Ice (freezing rain) | about 0.19 in. |
| Wind chill at bus time | −33°F |
| Normal winter low | 12°F |
Levels where a closure becomes likely in our model, from NOAA normals. Not a district policy.
ZIP codes covered
57197, 57117, 57105, 57103, 57104, 57108, 57110
ZIP codes inside or near Sioux Falls. Each has its own forecast; enter yours above for your district.
Sioux Falls snow day questions
Will Sioux Falls, SD schools be closed tomorrow?
The calculator above shows tomorrow's chance of a closure and of a delay for each Sioux Falls-area school district, from tonight's National Weather Service forecast. It updates every hour from the afternoon until morning. It is an estimate: your district makes and announces the decision, often early in the morning or the evening before a big storm.
How much snow does Sioux Falls, SD get?
Sioux Falls averages 45 inches of snow a year, with about 4.9 days a year of 3 inches or more and 12.5 days of an inch or more (NOAA 1991–2020 climate normals, Sioux Falls, SD station).
How much snow does it take to close schools in Sioux Falls, SD?
Our model treats about 8 inches of snow falling overnight as the level where closures become likely in Sioux Falls, because the area sees 4.9 days a year with 3+ inches and is used to plowing. Ice, a winter storm warning, or heavy snow right at bus time can close schools with less.
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.
- Wind chill and school closings
How cold is too cold for school, the NWS cold alerts, and local cold lines by city.
- Signs of a snow day tomorrow
The forecast signs that really matter, and the folklore that doesn't.
Nearby
Sioux Falls: did school close today?
Your report improves tomorrow's estimate.