The odds of a closing or a delay on the next three school mornings in Slinger, measured against Slinger's own big snow morning of 3.9 inches.
The next three school mornings
Will Slinger close tomorrow?
Reading the National Weather Service forecast for the overnight and the bus hours in Slinger.
Ten winters of school mornings
Slinger’s snow record
42.2inches of snow a winter
4.6school mornings a winter with 2 in of new snow or more
1.6with 4 in or more
3.9 ina big snow morning in Slinger: the top tenth of snowy school mornings
14.1school mornings a winter at 0 F or colder
3.9Nov
8.6Dec
11.9Jan
8.9Feb
5.5Mar
Average snowfall by month, inches
Biggest day 11.1 in on January 13, 2024
Snowiest winter 2022 to 2023, 58.5 in
6 in mornings 0.2 a winter
1 in mornings 7.3 a winter
Measured at a NOAA weather station under a mile 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 Wisconsin rule
How Wisconsin counts a lost day
Wisconsin requires hours, not days: 437 for kindergarten, 1,050 for grades 1 to 6 and 1,137 for grades 7 to 12.
Every school in Slinger follows the district’s call: one closing covers them all.
High
Slinger High
Middle
Slinger Middle
Elementary
Slinger Elementary
Allenton Elementary, Allenton
Addison Elementary, Hartford
Questions
Slinger snow day questions
About 42.2 inches a winter at a NOAA weather station under a mile away, averaged over 10 winters. Between December 1 and March 31 that brings 4.6 weekday mornings a year with 2 inches of new snow or more, and 1.6 with 4 inches or more.
11.1 inches on January 13, 2024, the largest single day at a NOAA weather station under a mile away in 10 winters. The snowiest winter was 2022 to 2023, with 58.5 inches.
It reads the National Weather Service forecast for Slinger through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Slinger’s own big snow morning: 3.9 inches, the top tenth of snowy weekday mornings at a NOAA weather station under a mile away.
Wisconsin requires hours, not days: 437 for kindergarten, 1,050 for grades 1 to 6 and 1,137 for grades 7 to 12.
If a district offers make-up instruction virtually on a weather closure, those hours can count; the rule sets no cap on such days.
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.
