DOWNTOWN — Thursday is already the snowiest Halloween in Chicago history.
O’Hare Airport had received .2 inches of snow as of 9 a.m. and more snow is expected to come throughout the day, meaning Chicago has already — and will continue to — beat the record of .1 inches of snow that fell on Halloween in 2014. That’s the only other year there’s been measurable snow on the holiday.
Unfortunately, it’s also only going to get chillier from here on out.
There will be a mix of rain and snow, but it’ll turn into mostly snow by the early afternoon, said Jake Petr, a National Weather Service meteorologist. The lakeshore will get less than an inch of snow, but neighborhoods further inland will get 1-3 inches of snow.
The snow should be over by 6 or 7 p.m., Petr said.
And temperatures have already likely hit the warmest they’ll get, Petr said. The city will cool off during the rest of the day, staying near freezing from the morning into the afternoon and dipping below freezing later on.
It’ll get “pretty chilly” overnight and into Friday morning, when temperatures are in the 20s, Petr said. That’s lower than normal for this time of year.
The city could get close to hitting a record for low temperatures, but we might “not just quite reach” it, Petr said. The record low for Oct. 31 is 23 degrees, set in 1873.
Record or no, it’s “still gonna be a chilly, chilly end to Halloween,” Petr said.
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