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How do schools make the decision to close? A meteorologist with the National Weather Service explains

A lead meteorologist with the National Weather Service in Milwaukee-Huntsville said an Extreme Cold Warning goes into effect overnight for all of Southeast Wisconsin.
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MILWAUKEE — As wind chills plummet to dangerous levels, the decision to close schools becomes critical.

Kevin Wagner, a lead meteorologist with the National Weather Service in Milwaukee-Sullivan, explained the process behind these decisions.

“We’re expecting wind chills of 30 to 35 below zero tonight into tomorrow,” Wagner said. “That’s the threshold we consider dangerous. Frostbite can occur in just 15 to 30 minutes.”

Kevin Wagner
Kevin Wagner, Lead meteorologist with NWS of Milwaukee-Sullivan.

An Extreme Cold Warning goes into effect overnight for all of Southeast Wisconsin.

When warnings are issued, Wagner’s team regularly updates schools through early-morning webinars and emails to share the latest data.

“For this warning, we had a webinar at 3:45 a.m. specifically for schools,” Wagner said. “We aim to get the most accurate information to decision-makers so they can act quickly to keep people safe.”

Watch: Meteorologist explains how schools decide to close amid freezing temperatures

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Milwaukee Public Schools, the largest school district in Wisconsin, will be closed Tuesday. Many other districts followed suit.

Parents like Sherie Erving and Sylvester Rogers, who were watching their son play basketball at MSOE’s Kern Center, learned about the closure during the game.

“It’s definitely warm in here, but brisk outside. They get a second day off because of the weather as well,” Erving said. Her son goes to Messmer High School in Milwaukee.

Sherie Erving and Sylvester Rogers
Sherie Erving and Sylvester Rogers are the parents of a senior at Messmer High School

While safety is the priority, the decision to close schools sparked mixed reactions.

“Rain, sleet, snow—we had to get out there when I was a kid,” Erving joked. “They give kids a little more leeway these days.”

Students, however, were thrilled with the unexpected break.

“I hear it’s supposed to be negative degrees outside,” said Chantel Ringo, a senior at Messmer. “I don’t want to go out there, so I hope they close schools.”

Chantel Ringo
Chantel Ringo, 12th grader at Messmer