NEW YORK (CBSNewYork) — A heat advisory is in effect until 8 p.m. for parts of the Tri-State area Monday as highs climb into the 90s.

The extreme heat forced multiple school districts in New Jersey and some in Westchester County in New York to close early. For students, the hazy, hot and humid forecast outside can translate to stifling air inside.

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“Oh God, that’s gonna be bad,” said student Sanaya Gregory.

“A sauna,” said student Victoria Cancinio.

“Very uncomfortable,” said student Valentina Masciale.

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In New Jersey, all Jersey City schools closed at 12:45 p.m. due to the excessive heat. After school programs are also canceled.

When asked how they work without air conditioning, teacher’s aide Jennifer Scanlon said “It’s not easy.

“But we deal with it,” she said. “We’ve been dealing with it for a long time. We’re just happy we’re getting a half day and the kids will be comfortable. That’s the most important thing.”

Paterson public schools followed suit with a 1:10 p.m. dismissal for students and 1:30 p.m. dismissal for all staff. Principals will stay at each of the district’s schools until every student has been picked up.

Students in Edison were dismissed at different times depending on grade level.

Hackensack schools also had an early dismissal at 12:30 p.m. All Oakland Public Schools PreK-8 will be on a minimum day schedule Monday and Tuesday.

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Ramapo and Indian Hills High Schools also had an early dismissal and Wayne Township Public Schools are operating on a minimal day schedule.

Closter Public Schools let out at 12:40 p.m. and Bloomfield schools had an early dismissal as well.

In New York, early closures vary by district.

In Mamaroneck, all elementary schools and Hammocks Middle School were scheduled to dismiss at 11:30 a.m., while the district’s high school remained on a normal schedule.

Rye schools also sent students home early.

As for New York City kids, they have a full day of class Monday and some parents admitted they don’t mind.

“It’s better for me,” one woman said. “I have to work and I want them to keep my child.”

Meanwhile, officials are urging people not to over-exert themselves in the extreme heat.

“With prolonged heat and humidity in the forecast, I urge New Yorkers to take necessary steps to stay cool,” Gov. Andrew Cuomo said in a statement. “As temperatures continue to rise, I encourage everyone to check on your friends and neighbors who may need some extra help and to cool off at state parks pools and cooling centers.”

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During peak hours, stay out of the sun and keep by air conditioning if you can. Also make sure to stay hydrated throughout the day.