Wednesday
Mostly sunny
High:
91°F
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Chicago, IL Weather - Tomorrow’s Forecast
Wednesday Night
Thunderstorms likely
Overnight low:
69°F
Showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 69. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.