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Boulder, Colorado, 28,357 students in 56 schools

Boulder Valley School District RE-2 Snow Day Predictor

The odds of a closing or a delay on the next three school mornings in Boulder Valley RE-2, measured against Boulder Valley RE-2's own big snow morning of 5.8 inches.

The next three school mornings

Will Boulder Valley RE-2 close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Boulder.
The Boulder Valley RE-2 playbook

How Boulder Valley RE-2 calls a snow day

When the call comes

Generally by 5:30 a.m.

“Except in very rare instances, decisions about closures are generally made by 5:30 a.m.”
Source

How families hear

By the district website, social media, local TV, radio, email, phone call, text message and the district app.

“The decision is posted on the district website, social media and via local media outlets. If the decision is to delay or close school, BVSD sends alerts via email, phone and text message.”
Weather Delays and Closures - Boulder Valley School District

A 2 hour delay

On a delay morning every school starts 2 hours late.

“When a two-hour delay is called, school buses will pick up students two hours later than usual and schools will begin classes two hours later than usual.”
Delay schedule

The 2026 to 2027 calendar

  • First day August 12, 2026
  • Winter break Dec 21 to Jan 4
  • February break Feb 15 to Feb 17
  • Last day May 20, 2027
District calendar

The board policy

“The decision to implement an early dismissal or to close schools and/or facilities within the district because of inclement weather or other emergencies will be rendered by the Superintendent or designee.”
Board policy

Read from Boulder Valley RE-2’s own pages on October 8, 2026; the district site is bvsd.org.

Ten winters of school mornings

Boulder Valley RE-2’s snow record

71.9inches of snow a winter
5.3school mornings a winter with 2 in of new snow or more
2.5with 4 in or more
5.8 ina big snow morning in Boulder Valley RE-2: the top tenth of snowy school mornings

More 4 inch school mornings than 84% of the 177 Colorado districts with a station record.

9.6Nov
6.3Dec
11.4Jan
14.1Feb
12.1Mar
Average snowfall by month, inches
  • Biggest day 15.3 in on November 26, 2019
  • Snowiest winter 2019 to 2020, 120.5 in
  • 6 in mornings 1.4 a winter
  • 1 in mornings 7.1 a winter

Measured at a NOAA weather station 1.5 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 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 Boulder Valley RE-2

DistrictSnow a winter4 in morningsBuilt in days
St. Vrain Valley School District RE 1JLongmont43.2 in1.5
Adams 12 Five Star SchoolsThornton51.1 in1.6
Westminster Public School DistrictWestminster50.7 in2.3
Mapleton School District 1Denver46 in1.3
Jefferson County School District R-1Golden70.9 in2.73
Adams County School District 14Commerce City47.8 in1.8
The schools

56 schools, the 40 largest here

Every school in Boulder Valley RE-2 follows the district’s call: one closing covers them all.

High

  • Boulder High School
  • Fairview High School
  • Broomfield High School, Broomfield
  • Centaurus High School, Lafayette
  • Monarch High School, Louisville
  • New Vista High School

Middle

  • Centennial Middle School
  • Louisville Middle School, Louisville
  • Angevine Middle School, Lafayette
  • Nevin Platt Middle School
  • Broomfield Heights Middle School, Broomfield
  • Southern Hills Middle School
  • Manhattan Middle School of the Arts and Academics
  • Casey Middle School
  • Summit Middle Charter School

Elementary

  • Aspen Creek K-8 School, Broomfield
  • Meadowlark School, Erie
  • Monarch K-8 School, Louisville
  • Eldorado K-8 School, Superior
  • Pioneer Bilingual Elementary School, Lafayette
  • Lafayette Elementary School, Lafayette
  • Ryan Elementary School, Lafayette
  • Louisville Elementary School, Louisville
  • Foothill Elementary School
  • Fireside Elementary School, Louisville
  • Superior Elementary School, Superior
  • Crest View Elementary School
  • University Hill Elementary School
  • Emerald Elementary School, Broomfield
  • Columbine Elementary School
  • Creekside Elementary School at Martin Park
  • Horizons K-8 School
  • Eisenhower Elementary School
  • Coal Creek Elementary School, Louisville
  • Alicia Sanchez International School, Lafayette
  • Douglass Elementary School
  • Bear Creek Elementary School
  • Birch Elementary School, Broomfield
  • Whittier Elementary School

Other schools

  • Peak to Peak Charter School, Lafayette
Questions

Boulder Valley RE-2 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.