Wednesday’s highs surged more than 5 degrees over Tuesday making it the warmest day of the young month so far…

Wednesday’s Chicago temp data and across the U.S.

A very warm day ahead Thursday, with temperatures within striking distance of 90 degrees before clouds bring the chance for scattered showers and possible thunderstorms Thursday night

Thursday afternoon temperature snapshot 

Best chance for rain Thursday night

Thursday night/ Friday offer the best chance for scattered showers, perhaps an isolated thunderstorm, but amounts will be light. Soaking rain is not expected for at least next week.  

Forecast cloud/potential precipitation model simulations

Potential rainfall through Wednesday Sept. 11

Following Thursday’s July level warmth, temperatures take a dive this weekend to readings more typical of October.  

Forecast highs: How far from normal? 

Tracking the jarring change to the coolest air of the season which hits this weekend—but the pattern is set to return to above-normal temperatures by mid and late next week. 

Forecast temperature anomaly   

Changing winds signal markedly cooler air. 

Forecast wind direction and wind speeds