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Denver, Colorado, 7,016 students in 20 schools

Mapleton School District 1 Snow Day Predictor

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

The next three school mornings

Will Mapleton close tomorrow?

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

Mapleton’s snow record

46inches of snow a winter
3.5school mornings a winter with 2 in of new snow or more
1.3with 4 in or more
4.4 ina big snow morning in Mapleton: the top tenth of snowy school mornings
3.9school mornings a winter at 0 F or colder

More 4 inch school mornings than 54% of the 177 Colorado districts with a station record.

5.7Nov
4.6Dec
7.8Jan
8.4Feb
9.1Mar
Average snowfall by month, inches
  • Biggest day 13.8 in on March 15, 2021
  • Snowiest winter 2020 to 2021, 77.3 in
  • 6 in mornings 0.7 a winter
  • 1 in mornings 6.9 a winter

Measured at a NOAA weather station 4.9 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 Colorado rule

How Colorado counts a lost day

Colorado requires at least 160 days, with 1,080 scheduled hours in secondary school and 990 in elementary. The scheduled hours can drop to 1,056 (secondary), 968 (elementary), 870 (full-day kindergarten) or 435 (half-day kindergarten) to cover conferences, staff training and closings the board judges necessary for student health, safety or welfare.

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

Next door

Districts near Mapleton

DistrictSnow a winter4 in morningsBuilt in days
Westminster Public School DistrictWestminster50.7 in2.3
Adams County School District 14Commerce City47.8 in1.8
Denver County School District 1Denver46.3 in2
Adams 12 Five Star SchoolsThornton51.1 in1.6
Jefferson County School District R-1Golden70.9 in2.73
Adams-Arapahoe School District 28JAurora40.6 in1.1
The schools

20 schools

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

High

  • Academy High School, Thornton
  • Mapleton Expeditionary School of the Arts, Thornton
  • Global Leadership Academy
  • Mapleton Early Career Preparation, Thornton
  • Performing Arts School on Broadway
  • North Valley School for Young Adults, Thornton

Middle

  • Global Intermediate Academy

Elementary

  • Explore Pk-8, Thornton
  • Trailside Academy
  • Clayton Partnership School, Thornton
  • Monterey Community School
  • Adventure Elementary
  • Achieve Academy, Thornton
  • Meadow Community School, Thornton
  • Welby Community School of the Arts
  • Global Primary Academy
  • Valley View Innovation School

Other schools

  • York International, Thornton
  • Preschool on Poze, Thornton
  • Mapleton Online
Questions

Mapleton snow day questions

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More winter

More for Colorado 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.Colorado winter forecastThe season ahead for Colorado: 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.