CHICAGO (CBS) — As of 4:00 p.m. Sunday, Chicago O’Hare reached 97 degrees.

It’s also the hottest day in almost six years.

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That was July 23, 2012.

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According to the National Weather Service, for Monday, Memorial Day, the old record of 95 degrees may be broken too.

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The forecast is for 96 but that’s considered a conservative prediction. 98 degrees or higher is possible.