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Higganum, Connecticut, 1,770 students in 5 schools

Regional School District 17 Snow Day Predictor

The odds of a closing or a delay on the next three school mornings in Regional School District 17, measured against Regional School District 17's own big snow morning of 4.4 inches.

The next three school mornings

Will Regional School District 17 close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Higganum.
Ten winters of school mornings

Regional School District 17’s snow record

24.4inches of snow a winter
2.4school mornings a winter with 2 in of new snow or more
1.1with 4 in or more
4.4 ina big snow morning in Regional School District 17: the top tenth of snowy school mornings
0.8Nov
5Dec
8Jan
8.4Feb
2.3Mar
Average snowfall by month, inches
  • Biggest day 15 in on February 23, 2026
  • Snowiest winter 2025 to 2026, 50.1 in
  • 6 in mornings 0.8 a winter
  • 1 in mornings 4 a winter

Measured at a NOAA weather station 2.5 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.

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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 Regional School District 17

DistrictSnow a winter4 in mornings
Regional School District 13Durham24.4 in1.1
Middletown School DistrictMiddletown24.4 in1.1
Portland School DistrictPortland24.4 in1.1
East Hampton School DistrictEast Hampton24.4 in1.1
Clinton School DistrictClinton24.3 in1.1
Madison School DistrictMadison24.3 in1.1
The schools

5 schools

Every school in Regional School District 17 follows the district’s call: one closing covers them all.

High

  • Haddam-Killingworth High School

Middle

  • Haddam-Killingworth Middle School, Killingworth

Elementary

  • Burr District Elementary School
  • Haddam-Killingworth Intermediate School, Killingworth
  • Killingworth Elementary School
Questions

Regional School District 17 snow day questions

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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.