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Longmont, Colorado, 31,757 students in 54 schools

St. Vrain Valley School District RE 1J Snow Day Predictor

The odds of a closing or a delay on the next three school mornings in St. Vrain Valley School District RE 1J, measured against St. Vrain Valley School District RE 1J's own big snow morning of 4.6 inches.

The next three school mornings

Will St. Vrain Valley School District RE 1J close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Longmont.
The St. Vrain Valley School District RE 1J playbook

How St. Vrain Valley School District RE 1J calls a snow day

When the call comes

The prior evening when the forecast is clear, otherwise no later than 5:30 a.m.

“In these cases, we will notify you no later than 5:30 a.m. if there will be any impacts to the day’s learning schedule.”
Source

How families hear

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

“Notifications for school disruptions due to inclement weather are made via the following communication systems: ParentSquare notification (email, voice, text, and/or app notification), the district website , Twitter ( @svvsd ), and local and state media including newspapers and television.”
Inclement Weather

A 2 hour delay

On a delay morning every school starts 2 hours late.

“During a weather delay, school will begin two hours after the normal school start time (as opposed to scheduled monthly late-start days which begin two and a half hours after the normal school start time).”
Delay schedule

Remote learning days

St. Vrain Valley School District RE 1J has remote learning days in its winter plan.

“When inclement weather closes our schools to in-person learning, we will continue our current practice of providing a shortened online learning schedule.”
Source

Making up a lost day

The board may schedule make-up dates on Saturdays, during breaks or at the end of the year.

“If for any reason this calendar must be altered the Board of Education may schedule makeup dates on Saturdays, during scheduled school breaks, and/or at the end of the present calendar.”
Source

The 2026 to 2027 calendar

  • First day August 18, 2026
  • Winter break Dec 21 to Jan 4
  • February break Feb 12 to Feb 15
  • Last day May 27, 2027
District calendar

Read from St. Vrain Valley School District RE 1J’s own pages on October 8, 2026; the district site is svvsd.org.

Ten winters of school mornings

St. Vrain Valley School District RE 1J’s snow record

43.2inches of snow a winter
3.2school mornings a winter with 2 in of new snow or more
1.5with 4 in or more
4.6 ina big snow morning in St. Vrain Valley School District RE 1J: the top tenth of snowy school mornings

More 4 inch school mornings than 60% of the 177 Colorado districts with a station record.

6.6Nov
4.2Dec
7.3Jan
8.2Feb
6.7Mar
Average snowfall by month, inches
  • Biggest day 13 in on November 26, 2019
  • Snowiest winter 2019 to 2020, 76.8 in
  • 6 in mornings 0.6 a winter
  • 1 in mornings 6 a winter

Measured at a NOAA weather station 1.8 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 St. Vrain Valley School District RE 1J

DistrictSnow a winter4 in mornings
Boulder Valley School District RE-2Boulder71.9 in2.5
Thompson School District R-2JLoveland41.6 in1
Adams 12 Five Star SchoolsThornton51.1 in1.6
Johnstown-Milliken School District RE-5JMilliken30.1 in0.6
School District 27JBrighton27 in0.9
Westminster Public School DistrictWestminster50.7 in2.3
The schools

54 schools, the 40 largest here

Every school in St. Vrain Valley School District RE 1J follows the district’s call: one closing covers them all.

High

  • Erie High School, Erie
  • Niwot High School, Niwot
  • Frederick Senior High School, Frederick
  • Longmont High School
  • Silver Creek High School
  • Skyline High School
  • Mead High School
  • Lyons Middle/Senior High School, Lyons

Middle

  • Coal Ridge Middle School, Firestone
  • Erie Middle School, Erie
  • Altona Middle School
  • Westview Middle School
  • Mead Middle School, Mead
  • Trail Ridge Middle School
  • Longs Peak Middle School
  • Sunset Middle School

Elementary

  • Soaring Heights PK-8, Erie
  • Mead Elementary School, Mead
  • Thunder Valley PK-8, Frederick
  • Timberline PK-8
  • Flagstaff Charter Academy
  • Firestone Charter Academy, Firestone
  • Black Rock Elementary, Erie
  • Red Hawk Elementary, Erie
  • Blue Mountain Elementary
  • Aspen Ridge Preparatory School, Erie
  • Fall River Elementary School
  • Centennial Elementary, Firestone
  • Highlands Elementary School, Erie
  • Erie Elementary School, Erie
  • Legacy Elementary School, Frederick
  • Grand View Elementary, Frederick
  • Eagle Crest Elementary School
  • Prairie Ridge Elementary School, Firestone
  • Niwot Elementary School, Niwot
  • Alpine Elementary School
  • Longmont Estates Elementary School
  • Central Elementary School
  • Mountain View Elementary School

Other schools

  • Twin Peaks Charter Academy
Questions

St. Vrain Valley School District RE 1J snow day questions

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