The Institute of Cultural Affairs in the USA has three events left as part of the initiative.
The Old Farmer's Almanac, which released its new edition, is predicting a brutal winter this year.
One meteorologist said Chicagoans are "absolutely right" thinking the summer is cooler than normal.
One Wicker Park resident said he hasn't switched on his air conditioning unit all summer.
A storm could roll through city before 7:30 p.m., but it appears to be weakening as it hits Illinois.
Get Our Daily Chicago Newsletter
Thank you for signing up!
Would you like to sign up for additional newsletters?
Thank you for signing up for additional newsletters.