Willimantic, Connecticut, 3,226 students in 7 schools

Windham School District Snow Day Predictor

Q: How much snow does Willimantic get?

About 32.2 inches a winter at a NOAA weather station 5 miles away, averaged over 9 winters. Between December 1 and March 31 that brings 4.9 weekday mornings a year with 2 inches of new snow or more, and 2.3 with 4 inches or more.

Q: What was the biggest snow day near Windham?

13 inches on January 26, 2026, the largest single day at a NOAA weather station 5 miles away in 9 winters. The snowiest winter was 2017 to 2018, with 65.4 inches.

Q: Does Windham get more snow days than other Connecticut districts?

Windham averages 2.3 weekday mornings a winter with 4 inches of new snow or more, more than 83 percent of the 166 Connecticut districts with a station record.

Q: How does the Windham snow day predictor work?

It reads the National Weather Service forecast for Willimantic through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Windham’s own big snow morning: 8.4 inches, the top tenth of snowy weekday mornings at a NOAA weather station 5 miles away.

The odds of a closing or a delay on the next three school mornings in Windham, measured against Windham's own big snow morning of 8.4 inches.

The next three school mornings

Will Windham close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Willimantic.

Ten winters of school mornings

Windham’s snow record

32.2inches of snow a winter

4.9school mornings a winter with 2 in of new snow or more

2.3with 4 in or more

8.4 ina big snow morning in Windham: the top tenth of snowy school mornings

1.1school mornings a winter at 0 F or colder

More 4 inch school mornings than 83% of the 166 Connecticut districts with a station record.

0.6Nov

5.5Dec

9.4Jan

8.3Feb

7Mar

Average snowfall by month, inches

Biggest day 13 in on January 26, 2026
Snowiest winter 2017 to 2018, 65.4 in
6 in mornings 1.3 a winter
1 in mornings 6.4 a winter

Measured at a NOAA weather station 5 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.

The Connecticut rule

How Connecticut counts a lost day

Connecticut requires at least 180 days and 900 hours of actual school work, counting no more than 7 hours a day.

The Connecticut rules in the agency’s own words, and every Connecticut district

Next door

Districts near Windham

District	Snow a winter	4 in mornings
Mansfield School DistrictStorrs	32.2 in	2.3
Regional High School District 19Storrs	32.2 in	2.3
Coventry School DistrictCoventry	32.2 in	2.3
Regional High School District 08Hebron	32.2 in	2.3
Colchester School DistrictColchester	24.4 in	1.1
Tolland School DistrictTolland	36.8 in	1.9

The schools

7 schools

Every school in Windham follows the district’s call: one closing covers them all.

High

Windham High School

Middle

Windham Middle School

Elementary

Charles H. Barrows STEM Academy, North Windham
North Windham School, North Windham
Natchaug School
W. B. Sweeney School
Windham Center School, Windham

Questions

Windham snow day questions

How much snow does Willimantic get?

What was the biggest snow day near Windham?

Does Windham get more snow days than other Connecticut districts?

How does the Windham snow day predictor work?

How does Connecticut handle snow days?

More winter

More for Connecticut snow days

Snow day predictorClosing and delay odds for any ZIP, with the snowiest districts in the country.Snow depth mapHow much snow is on the ground right now, measured, across the country.First snow datesWhen the first measurable snow usually lands where you live.Frozen pipesThe nights cold enough to freeze a pipe, and what to do before one.Snow plow trackerWhere the plows are during a storm, city by city.Connecticut winter forecastThe season ahead for Connecticut: snowfall, cold and the first snow.

A residential street under deep snow on a bright blue morning, cars parked along the curb buried into smooth white mounds, one set of tire tracks down the middle — The morning after a big one: cars buried to the mirrors and one set of tracks down the middle. A street like this is a closing, no debate. Photo, Fairfax, Virginia, January 2016: Jarek Tuszyński, CC BY 4.0

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.