Sioux Falls, SD Snow Day Calculator

📍 ZIP Code: 57104

Snow Day Probability

0 %
Very Unlikely

☀️ Chance of school cancellation tomorrow

Tomorrow's Forecast

🌡️79°F / 26°C62°F / 17°CHigh / Low
🥶N/AWind Chill
🌨️0"Expected Snow
💨21 mphMax Wind
💧79%Avg Humidity
🌧️52%Precip Chance

🌡️ Tomorrow's Temperature & Wind

🌨️ Hourly Snowfall

Tomorrow's Hourly Breakdown

12:00 AM ❄️ 70°F21°C 0"
3:00 AM ❄️ 63°F17°C 0"
6:00 AM ❄️ 62°F17°C 0"
9:00 AM ❄️ 66°F19°C 0"
12:00 PM ❄️ 72°F22°C 0"
3:00 PM ❄️ 76°F24°C 0"
6:00 PM ❄️ 77°F25°C 0"
9:00 PM ❄️ 68°F20°C 0"

Data provided by Open-Meteo

About Sioux Falls Snow Days

The Sioux Falls area school districts in South Dakota together serve thousands of students across many public, charter, and private campuses. The Sioux Falls area averages approximately 40 inches of snowfall per year, with the heaviest snowfall typically occurring between October and April.

School districts in Sioux Falls generally post closure decisions to district websites and notify parents through automated alerts and local broadcasters, typically before sunrise on storm days, after coordinating with bus contractors and transportation supervisors. Two-hour delays and remote-learning days are sometimes used in Sioux Falls as alternatives to a full closure when conditions are borderline.

Sioux Falls's geography plays a meaningful role in its winter weather: a continental Plains climate with ground blizzards, Arctic air, and dangerous wind chills. These factors directly influence how often Sioux Falls schools end up closed during a given winter. Geographically, Sioux Falls sits near 43.55°N, 96.74°W, which shapes how regional storm systems and Arctic air masses interact with the area.

Notable historic snow events in or near Sioux Falls include major Northern Plains blizzards with extreme cold, which produced widespread closures across the region. Historically, schools in the Sioux Falls area close an average of approximately 5 days per winter season due to snow, ice, or extreme cold. Use our Snow Day Calculator above to check tomorrow's real-time school closure probability for Sioux Falls based on live weather forecast data from Open-Meteo.

Browse all South Dakota snow day predictions.

☀️ Today's Current Weather

🌡️ 81°F / 27°C 60°F / 16°C High / Low
🥶 N/A Wind Chill
🌨️ 0" Snow Today
💨 14 mph Max Wind
💧 59% Humidity
🌧️ 28% Precip Chance

Drizzle

🗳️ Community Prediction

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Frequently Asked Questions

How does the snow day calculator work for Sioux Falls?

Our calculator pulls live weather forecast data for Sioux Falls from the Open-Meteo API and analyzes snowfall accumulation, temperature, wind chill, and 24-hour precipitation totals to generate a school closure probability percentage.

When is the best time to check the Sioux Falls snow day prediction?

Check between 9 PM and midnight the evening before a potential storm. Weather models are most reliable within a 12–18 hour forecast window, giving you the most accurate prediction for the following morning.

Does the school type affect the prediction for Sioux Falls?

Yes. Public schools close more readily than private schools, which close more readily than colleges and universities. Select your school type for the most accurate Sioux Falls prediction.