Snow Day Calculator

Find out if you’ll have a snow day—fast, free, and accurate.

Tool Icon Snow Day Calculator

Enter local forecast details for the most accurate prediction
Recent Predictions:
No calculation history yet
Closure Factors:
Snow Accumulation

Total depth making roads impassable for buses.

Ice & Temp

Freezing rain or temperatures below -15°F.

Wind Chill

Dangerous conditions for students waiting at stops.

How it Works:
  1. Enter your location and current/forecasted weather data.
  2. Adjust institutional type in "Advanced Settings" for better accuracy.
  3. Click "Calculate" to run the rule-based estimation formula.
  4. Save or copy the summary to share with friends or colleagues.

About This Tool

So, you’re wondering if school’s getting canceled tomorrow because of snow, huh? Yeah, we’ve all been there—peering out the window at 6 a.m., thermos in hand, hoping for that magical call. That’s where the Snow Day Calculator comes in. It’s not magic, but it’s close. This thing takes a bunch of real-world factors—like how much snow’s already on the ground, how fast it’s falling, road conditions, and even local school policies—and crunches them into a percentage chance your school might close. No guarantees, obviously. But it’s way better than guessing based on how many snowmen your neighbor built. I built this after missing a snow day in high school because I didn’t check the news early enough. Never again. Now, I get a heads-up. And honestly? It’s kind of fun to watch the probability climb as the storm rolls in.

Key Features

  • Real-time weather data pulled from trusted sources—no outdated forecasts here.
  • Customizable location settings so it works whether you’re in rural Vermont or downtown Chicago.
  • Takes into account school district history—some places cancel at two inches, others wait for a foot.
  • Updates every hour during active storms, so you’re not stuck with yesterday’s info.
  • Simple percentage output—no confusing charts or jargon. Just a number that says, “Yeah, maybe stay in bed.”
  • Works on your phone, tablet, or that old laptop you keep around for emergencies.

FAQ

Q: Is this 100% accurate?
A: Nope. Nothing is. Schools make the final call based on safety, not algorithms. But this tool uses real data and patterns to give you the best guess possible. Think of it like a really smart friend who follows the weather obsessively.

Q: Do I need to sign up or pay?
A: Nah. It’s free, no account needed. Just plug in your location and go. No spam, no tracking, no nonsense. I hate that stuff too.