Johnstown-Milliken School District RE-5J Snow Day Predictor
The odds of a closing or a delay on the next three school mornings in Johnstown-Milliken RE-5J, measured against Johnstown-Milliken RE-5J's own big snow morning of 2.9 inches.
Will Johnstown-Milliken RE-5J close tomorrow?
Johnstown-Milliken RE-5J’s snow record
- Biggest day 9.5 in on February 10, 2024
- Snowiest winter 2019 to 2020, 62.4 in
- 6 in mornings 0 a winter
- 1 in mornings 5.1 a winter
Measured at a NOAA weather station 3.6 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.
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
Districts near Johnstown-Milliken RE-5J
| District | Snow a winter | 4 in mornings |
|---|---|---|
| Greeley School District 6Greeley | 26 in | 0.5 |
| Windsor School District RE-4Windsor | 36.6 in | 1 |
| Thompson School District R-2JLoveland | 41.6 in | 1 |
| St. Vrain Valley School District RE 1JLongmont | 43.2 in | 1.5 |
| Poudre School District R-1Fort Collins | 56.5 in | 1.9 |
| School District 27JBrighton | 27 in | 0.9 |
7 schools
Every school in Johnstown-Milliken RE-5J follows the district’s call: one closing covers them all.
High
- Roosevelt High School, Johnstown
Middle
- Milliken Middle School
Elementary
- Elwell Elementary School, Johnstown
- Pioneer Ridge Elementary School, Johnstown
- Milliken Elementary School
- Knowledge Quest Academy
Other schools
- CIVICA Colorado
Johnstown-Milliken RE-5J snow day questions
More for Colorado snow days

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