Chattanooga, TN Snow Day Calculator

📍 ZIP Code: 37402

Snow Day Probability

0 %
Very Unlikely

☀️ Chance of school cancellation tomorrow

Tomorrow's Forecast

🌡️88°F / 31°C69°F / 21°CHigh / Low
🥶N/AWind Chill
🌨️0"Expected Snow
💨13 mphMax Wind
💧78%Avg Humidity
🌧️74%Precip Chance

🌡️ Tomorrow's Temperature & Wind

🌨️ Hourly Snowfall

Tomorrow's Hourly Breakdown

12:00 AM ❄️ 78°F26°C 0"
3:00 AM ❄️ 76°F24°C 0"
6:00 AM ❄️ 75°F24°C 0"
9:00 AM ❄️ 79°F26°C 0"
12:00 PM ❄️ 82°F28°C 0"
3:00 PM ❄️ 88°F31°C 0"
6:00 PM ❄️ 80°F27°C 0"
9:00 PM ❄️ 74°F23°C 0"

Data provided by Open-Meteo

About Chattanooga Snow Days

The Chattanooga area school districts in Tennessee together serve thousands of students across many public, charter, and private campuses. The Chattanooga area averages approximately 12 inches of snowfall per year, with the heaviest snowfall typically occurring between December and February.

School districts in Chattanooga 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 Chattanooga as alternatives to a full closure when conditions are borderline.

Chattanooga's geography plays a meaningful role in its winter weather: a humid subtropical climate where ice storms and cold-air damming often drive closures. These factors directly influence how often Chattanooga schools end up closed during a given winter. Geographically, Chattanooga sits near 35.05°N, 85.32°W, which shapes how regional storm systems and Arctic air masses interact with the area.

Notable historic snow events in or near Chattanooga include the historic February 2015 storm that closed Mid-South districts for over a week, which produced widespread closures across the region. Historically, schools in the Chattanooga 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 Chattanooga based on live weather forecast data from Open-Meteo.

Browse all Tennessee snow day predictions.

☀️ Today's Current Weather

🌡️ 90°F / 32°C 70°F / 21°C High / Low
🥶 N/A Wind Chill
🌨️ 0" Snow Today
💨 6 mph Max Wind
💧 71% Humidity
🌧️ 6% Precip Chance

Overcast

🗳️ Community Prediction

Cast Your Vote: Will School Be Closed Tomorrow?

Cast your prediction to see what others think!

AI-Powered 7-Day Snow Outlook
Gemini AI

No snowfall or freezing conditions expected this week; school closures unlikely in Chattanooga's typically snow-sensitive southern climate

Today
Jun 13
0%
Very Low
90° / 70° · 0.0" snow
No snow, overcast with warm temperatures
Tomorrow
Jun 14
0%
Very Low
88° / 69° · 0.0" snow
Drizzle only, no snow, above-freezing temps
Mon
Jun 15
0%
Very Low
81° / 62° · 0.0" snow
Overcast but no snow, mild temperatures
Tue
Jun 16
0%
Very Low
81° / 61° · 0.0" snow
Cloudy with no snow, above 60°F daily
Wed
Jun 17
0%
Very Low
80° / 62° · 0.0" snow
Light drizzle, no snow accumulation
Thu
Jun 18
0%
Very Low
91° / 73° · 0.0" snow
Overcast with warm temperatures, no snow
Fri
Jun 19
0%
Very Low
82° / 70° · 0.0" snow
Drizzle only, no snowfall expected

Generated by AI from 7-day Open-Meteo forecast. Snow day predictions are probability estimates based on weather forecast data. School closure decisions are made by local school administrators — always verify with your school's official website, app, or local news for confirmed cancellations.

Frequently Asked Questions

How does the snow day calculator work for Chattanooga?

Our calculator pulls live weather forecast data for Chattanooga 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 Chattanooga 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 Chattanooga?

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 Chattanooga prediction.