This is more evidence that the weather in Chicago is not headed towards the weather in Phoenix as the government report 2 weeks ago told us it might be :

https://www.marketforum.com/forum/topic/18987/

From the government report per your post:

"The number of days over 100 degrees Fahrenheit will multiply; Chicago, where these days are rare, could start to resemble Phoenix or Las Vegas, with up to two months worth of these scorching-hot days.

https://www.marketforum.com/forum/topic/18326/