Weather
Chicago Weather: Refreshing Conditions This Weekend Before Heating Up Midweek
Chicago faces pleasant, lower humidity weather through Labor Day weekend before temperatures climb to the 90s by Wednesday, bringing potential heat risks.
By Tessa Morgan · 2026-09-05T19:00:28.561Z
Chicago, Illinois – A stretch of pleasant, lower humidity weather is arriving for the Chicago area, offering a reprieve from the summer heat throughout the remainder of the holiday weekend. Residents planning outdoor activities can expect comfortable conditions through Monday, though conditions will transition quickly as temperatures climb by the middle of the upcoming week.
According to the National Weather Service in Chicago , the region will benefit from drier air through Monday. While the current evening remains mild, Sunday and Labor Day will feature highs ranging from 77 to 84 degrees, with areas near Lake Michigan staying slightly cooler in the 70s. This stability will be short lived, however, as the mercury is expected to reach the 90 degree threshold by Wednesday.
The shift toward warmer, more humid conditions begins Tuesday, with highs climbing to between 85 and 90 degrees. By Wednesday, the heat intensifies further with expected highs of 87 to 92 degrees. Meteorologists are also monitoring potential precipitation, noting a chance for few showers north of I 88 on Tuesday night and a possibility for showers south of I 80 on Wednesday night. Residents should stay hydrated and keep an eye on changing conditions as the work week begins.
For those sensitive to heat, check your air conditioning units now before temperatures rise on Tuesday and Wednesday. Staying informed via official updates is recommended for any potential shifts in shower timing or intensity. You can monitor the latest conditions at the National Weather Service website for Chicago .
Four Day Outlook for Chicago: Sunday features highs of 77 82 and lows of 56 66. Labor Day brings highs of 80 84 with lows of 59 66. Tuesday sees temperatures rise to 85 90 with lows of 69 75 and a risk of showers north of I 88. Wednesday peaks at 87 92 with lows of 60 68 and a possibility of showers south of I 80.