While still mild,  temperatures significantly lower than Tuesday afternoon 

Wednesday afternoon temperature snapshot—How much cooler than the same time Tuesday? 

Rains to come and go the next few days with a break in the precipitation likely much of Saturday until the next round of showers arrives at night 

Tracking the season’s coldest air into Chicago

Forecast low temperatures into next week—hard freeze likely by Monday/Tuesday timeframe which will effectively end the growing season!