With the forecast calling for high temperatures in the 90s all week, experts are asking the public to use common sense while coping with the conditions.
The hot weather could last through next Sunday, National Weather Service meteorologist Amy Seeley said.
"But it won't be record breaking," she said, adding that the average high temperature for this time of year in the Chicago area is 84 degrees.
The weather service advises people to properly hydrate themselves, check on the elderly and to never leave pets or children in cars.
"This isn't anything new," Seeley said.
The 90-degree hot and humid forecast affects the entire central U.S., Seeley added.
"It's certainly not just local to Chicago," she said.
The Federal Emergency Management Agency also is offering tips for Chicago-area residents, including:
• Familiarize yourselves with local emergency plans from community agencies, including schools.
• Stay inside as much as possible and keep out of sunshine if air conditioning isn't available.
• If a community cooling center isn't around, residents could spent part of the day at an air-conditioned library, school, movie theater or shopping mall.
• Eating a light and well-balanced meal is also key, as well is limiting alcoholic drinks.
• Wear loosefitting, light-colored clothes and protect your head with a hat.
FEMA also offers tips for preparing your home or apartment. That includes properly installing air conditioners, temporary window reflectors and covering windows that soak up the afternoon sun.
Check out fema.gov and ready.gov for more information.