Crystal Lake, Illinois
Will CHSD 155 have a snow day?
Chance of a snow day
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Delay or closing
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How much snow it takes here
McHenry County averages 33.8 inches of snow a year, and its average winter temperature is 25.1°F (NOAA 1991–2020 normals). Schools in places like this typically close at about 6 inches of snow, sooner if there is ice or the snow falls during the morning commute.
Where to check for an official closing
Only CHSD 155 can close its schools. Districts usually post closings and delays on their website and social media, send texts, emails or robocalls to families, and report them to local TV and radio stations, often by 5:30 or 6 a.m. The district office's number is (815)455-8500.
District facts
| Students | 5,405 |
| Schools | 5 |
| Teachers | 324 |
| Grades | 9 to 12 |
| Area type | Suburb |
| County | McHenry County, IL |
| District office | 1 Virginia Rd, Crystal Lake |
| Phone | (815)455-8500 |
From the U.S. Department of Education's Common Core of Data (2022–23 school year).
Nearby districts
- Alden Hebron SD 19 Hebron
- CUSD 300 Algonquin
- Cary CCSD 26 Cary
- Crystal Lake CCSD 47 Crystal Lake
- Fox River Grove Cons SD 3 Fox River Grove
- Harrison SD 36 Wonder Lake
- Harvard CUSD 50 Harvard
- Huntley Comm Sch Dist 158 Algonquin
- Johnsburg CUSD 12 Johnsburg
- Marengo CHSD 154 Marengo
- Marengo-Union E Cons D 165 Marengo
- McHenry CCSD 15 Mchenry
Forecast details: National Weather Service LOT office, point forecast for Crystal Lake. How we calculate the chance.