Chicago, Illinois – A stretch of hazy skies and gradually warming temperatures is set to blanket Illinois through early next week, bringing classic summer weather to Chicago and neighboring cities. Daytime highs will climb from the upper 70s Saturday to the mid-80s by Monday, while widespread rain remains unlikely.
According to the National Weather Service in Chicago, a persistent high-pressure system will keep conditions tranquil through the weekend. Expect overnight lows to range from the upper 50s near Lake Michigan to the low 60s inland. While Saturday and Sunday look dry, haze may limit air quality and visibility across the region.
The warmth builds into Monday and Tuesday, with forecast highs around 85°F in Chicago, Aurora, Joliet, and Rockford. A slight chance of showers or a stray thunderstorm may develop Tuesday afternoon, but soaking rains are not anticipated. Roads and transit routes should remain clear, and utilities face minimal weather-related disruptions.
Residents are encouraged to limit outdoor activity if sensitive to haze or poor air quality, stay hydrated, and keep air conditioners serviced. No severe weather is expected, but those traveling or working outside should check for updates, especially as humidity increases early next week.
Summer conditions will likely persist through midweek, with the next significant rain chance holding off until later in the week.
Five-Day Chicago Area Forecast:
- Tonight: Hazy, lows 51–62°F (coolest near Lake Michigan)
- Saturday: Hazy, highs 75–79°F, lows 53–66°F
- Sunday: Partly sunny, highs 78–82°F, lows 56–65°F
- Monday: Mostly sunny, highs 80–85°F, lows 61–69°F
- Tuesday: Partly cloudy, 20% chance of showers PM, highs 82–85°F, lows 64–70°F
