Fifteen pools are closing on Sunday, as lifeguards go back to school.
Another 42 pools close on Aug. 17, which is the day before the first day of school.
Chicago's 22 beaches and 19 more neighborhood pools will remain open through Labor Day.
The park district says the pools picked to remain open longer were based on neighborhoods that are the most vulnerable to extreme heat.
And water sprays shut down on Sept. 30. Click here for more from the Chicago Park District.
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Some are concerned about staying cool later this month.
"It has always been the case that the lifeguard workforce for the park district is young people, high school students, college students. And what that has meant is that when they go back to school, we have to adjust our pool schedules," said Carlos Ramirez-Rosa, general superintendent and CEO of the Chicago Park District. "But what we are very happy is that this year we have a 58% increase in the number of pools we are going to keep open through Labor Day."
The Chicago area was under an AccuWeather Alert Friday, and continues to be on Saturday, as well. Conditions are hot and very muggy with highs in the 90s and heat index values between 97 and 103 degrees on Saturday.
Friday, children cooled off at the pool at McKinley Park.
Friday is also the first day of Northalsted Market Days.
"It brings together the LGBTQ community, the greater Chicago community; everyone comes out to the festival. And it is so much fun. We're also unique because we bring national and international talent," said Mark Liberson, chairperson of Northalsted Market Days.
The three-day live music festival runs from Belmont Avenue to Addison Street.
Organizers say they have taken extra steps to ensure people have lots of fun and stay safe in the heat.
"We also have a lot of water at the festival, and medical crews on-site," Liberson said. "We have a lot of businesses on the street, as well, where people can cool off."
The Bud Billiken Parade is expected to draw thousands outdoors on Saturday, and those attending should be sure to hydrate and take precautions in the heat.
"Towels, ice, splash water," Bronzeville resident D'andre Campbell said.
"Prepare water, stay in the shade as much as possible," Bronzeville resident James Westbrook said.
Temperatures are expected to be in the mid- and upper-80s when the parade starts and then in the low 90s by noon.
A line of storms is expected to approach the area from the northwest after 4 p.m. Saturday. It's mostly likely to hit areas northwest of the city and could linger through sunset for our area's northern and western counties.
Parts of DeKalb and McHenry counties are under a level 2 risk for severe weather Saturday. Gusty winds and heavy rain are the main concerns.
Scattered storms are possible Saturday night.
There could be a few lingering storms early Sunday morning, and then a few storms again between 4 and 7 p.m.
Storm chances are expected to continue on Monday-Thursday.