Showers and thunderstorms are expected to move through the Chicago area Tuesday evening, ushering in higher temperatures that could rise to 90 degrees by the weekend.
The chance of precipitation increases throughout Tuesday into the late evening and early Wednesday morning, according to the National Weather Service.
The city could see between a tenth and quarter inch of rain.
Band of showers & storms will slide into the Chicago & Rockford metro areas soon. These storms are not expected to be severe, but downpours, lightning, & gusty winds are possible. Another line of storms moving towards southern Ford & Iroquois counties could feature 50+ MPH gusts pic.twitter.com/tB6Yvl9tpe— NWS Chicago (@NWSChicago) July 21, 2020
The strongest storms are forecast to hit the south suburbs.
“Some [storms] may produce strong winds, especially south of I-80,” the weather service said on Twitter. “Temps will remain seasonal through late week, but heat and humidity looks to return for the weekend.”
The heat index could reach 100 degrees by Sunday, forecasters warned.
Wednesday’s forecast calls for showers ending before 7 a.m. and a high temperature of 84 degrees. There’s a 20% chance of more rain after 10 a.m.
Thursday is expected to be mostly sunny with a high near 80 degrees.
Showers and storms likely this PM and EVE. Some may produce strong winds, especially south of I-80. Temps will remain seasonal through late week, but heat and humidity looks to return for the weekend. Heat indices could be in excess of 100 degrees by Sunday. #ilwx #inwx pic.twitter.com/12NQ9QjqD1— NWS Chicago (@NWSChicago) July 21, 2020