Enjoy it while it lasts, Chicago, because Tuesday's warmth won't be here for long. Though temperature highs reached into the mid-60s, things will drop quickly during the evening hours.
![](https://media.nbcchicago.com/2019/09/OTT-Chicago.png?fit=1920%2C1080&quality=85&strip=all&w=400&h=44&crop=1)
Enjoy it while it lasts, Chicago, because Tuesday's warmth won't be here for long. Though temperature highs reached into the mid-60s, things will drop quickly during the evening hours.