Corydon, Indiana, 3,077 students in 9 schools

South Harrison Community Schools Snow Day Predictor

Q: How much snow does Corydon get?

About 11.7 inches a winter at a NOAA weather station 21.3 miles away, averaged over 10 winters. Between December 1 and March 31 that brings 1.3 weekday mornings a year with 2 inches of new snow or more, and 0.3 with 4 inches or more.

Q: What was the biggest snow day near South Harrison?

9 inches on January 5, 2025, the largest single day at a NOAA weather station 21.3 miles away in 10 winters. The snowiest winter was 2024 to 2025, with 22.7 inches.

Q: How does the South Harrison snow day predictor work?

It reads the National Weather Service forecast for Corydon 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 South Harrison’s own big snow morning: 2.8 inches, the top tenth of snowy weekday mornings at a NOAA weather station 21.3 miles away.

Q: How far ahead does the South Harrison snow day predictor look?

Three school mornings, as far as the National Weather Service hourly forecast reaches. Weekends and breaks are skipped, so a Friday storm is read for Monday’s buses.

The odds of a closing or a delay on the next three school mornings in South Harrison, measured against South Harrison's own big snow morning of 2.8 inches.

The next three school mornings

Will South Harrison close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Corydon.

Ten winters of school mornings

South Harrison’s snow record

11.7inches of snow a winter

1.3school mornings a winter with 2 in of new snow or more

0.3with 4 in or more

2.8 ina big snow morning in South Harrison: the top tenth of snowy school mornings

0.2school mornings a winter at 0 F or colder

0.4Nov

1.5Dec

5.4Jan

2.5Feb

1.7Mar

Average snowfall by month, inches

Biggest day 9 in on January 5, 2025
Snowiest winter 2024 to 2025, 22.7 in
6 in mornings 0 a winter
1 in mornings 2.8 a winter

Measured at a NOAA weather station 21.3 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.

The Indiana rule

How Indiana counts a lost day

Indiana requires at least 180 student instructional days a school year.

The Indiana rules in the agency’s own words, and every Indiana district

Next door

Districts near South Harrison

District	Snow a winter	4 in mornings
North Harrison Community School CorporationRamsey	11.7 in	0.3
Crawford County Community School CorporationMarengo	6.3 in	0.4
New Albany-Floyd County Consolidated SchoolsNew Albany	11.7 in	0.3
Clarksville Community School CorporationClarksville	11.7 in	0.3
East Washington School CorporationPekin	13.3 in	0.6
Silver Creek School CorporationSellersburg	11.7 in	0.3

The schools

9 schools

Every school in South Harrison follows the district’s call: one closing covers them all.

High

Corydon Central High School
South Central Jr & Sr High School, Elizabeth

Middle

Corydon Intermediate School
Corydon Central Jr High School

Elementary

Corydon Elementary School
South Central Elementary, Elizabeth
Heth-Washington Elementary School, Central
New Middletown Elementary School, New Middletown

Other schools

Harrison County Spec Ed Coop

Questions

South Harrison snow day questions

How much snow does Corydon get?

What was the biggest snow day near South Harrison?

How does the South Harrison snow day predictor work?

How does Indiana handle snow days?

How far ahead does the South Harrison snow day predictor look?

More winter

More for Indiana 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.Indiana winter forecastThe season ahead for Indiana: 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.