The weekend starts with another chance for isolated showers and storms early Friday, but otherwise partly sunny, breezy, cooler and turning less humid with highs in the low to mid 80s, but cooler 70s along the lakefront. Mostly clear in the evening, then becoming mostly cloudy. Highs Thursday will be in the upper 80s to low 90s, but will feel like 100 to 105 degrees. Thursday starts partly sunny, breezy, hot and humid with scattered showers and storms developing yet again in the late afternoon and evening, some possibly strong to severe. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Chicago area.

Those storms will slide south of the area overnight before ending for still warm and humid conditions. Heavy rain, damaging winds to 70 mph, quarter-sized hail and isolated tornadoes are all possible. This round is expected to form late afternoon or evening in far northwest counties then slide southeast across the area through the evening, with some storms likely to be strong to severe. The NWS warns that a combination of hot temperatures in the upper 80s to low 90s, combined with high humidity, will make for dangerous conditions in which it will feel like 100 to 105 degrees.Īfter the showers and storms Wednesday morning and early afternoon, forecast show conditions will turn partly sunny, windy, extremely hot and humid before another band of showers and storms moves in yet again. National Weather Service Chicago, IL 333 West University Drive Romeoville, IL 60446 81 8am-8pm Comments Questions Please Contact Us. across the entire Chicago area, including northwest Indiana, and lasting through 7 p.m. September Normals for Temperature and Precipitation for Chicago. Coronavirus in Illinois: 26K New Cases, 70 Deaths Reported in Last WeekĪs it did Tuesday, a heat advisory will again take effect Wednesday at 12 p.m.

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