A hot and humid Labor Day for the Chicago area with increasing clouds. Air quality is in the Good category for today. 

Monday Night:  Partly cloudy, breezy, warm and humid.  Low 76—but closer to 70 coolest inland areas.

Tuesday: Partly cloudy, fairly windy, hot and humid. Widely scattered mainly afternoon and evening t-storms possible impact 20 to 30% of the area.  Wind gusts to 30 mph likely by and during the afternoon.  High 93 with a peak heat index around 98.

Tuesday Night: Partly cloudy, warm and humid. Scattered t-storms possible early and again toward morning. Low 74.

Wednesday: Partly cloudy, windy, quite warm and continued moderately humid. A t-storm possible early—a few scat t-storms may develop again in the afternoon and evening. Gusts to 30 mph possible—a stronger storm gusts possible.  Wednesday sees the best bet for isolated showers and storms. High 90—peak heat index 94.

Thursday: Mostly cloudy, breezy, cooler and less humid. High 78. A slight chance of lingering showers on Thursday, but clearing skies towards the afternoon and highs in the 70s.

Friday: Partly sunny and more comfortable. Northeasterly lake breezes return. High 77—low 70s beaches.

Saturday: Mostly sunny, comfortable. Seasonable temps. High 77—lower lakeshore.

Sunday: Mixed sunshine—but increasing cloudiness later in the day.  High 77—low 70s beaches.

Next Monday: Mostly cloudy, cool and breezy. Chance of a few showers. High 76—lower lakeshore.