Chicago, Illinois – Strong winds and a chance of thunderstorms could disrupt Saturday plans across northern Illinois, while dangerous conditions persist at Lake Michigan beaches. Drivers on Interstate 55 may face sudden downpours and gusts topping 40 mph this afternoon. Beachgoers should avoid swimming as high waves and rip currents continue in Porter County, Indiana, through Saturday night.
According to the National Weather Service, isolated thunderstorms will move southeast at 30 to 40 mph Saturday, mainly hitting areas south and east of Chicago. Northwest winds will intensify late tonight, creating hazardous swim conditions that extend into Sunday morning. By Sunday, drier and calmer weather returns, bringing sunshine and highs in the mid-70s.
Travelers should use caution on I-55 this afternoon and evening. Sudden storms may reduce visibility and cause slick spots. The Illinois Department of Transportation advises slowing down in heavy rain and staying alert for debris on roadways. At Lake Michigan, officials urge residents and visitors to stay out of the water until waves subside Sunday.
Looking ahead, the Chicago area trends cooler with highs near 70 degrees Monday and Tuesday. Skies stay mostly sunny through midweek before temperatures warm slightly heading into Friday.
Five Day Forecast for Chicago, Illinois
- Sunday: Sunny, high near 74. Breezy northwest winds up to 15 mph.
- Monday: Mostly sunny, high near 70. Low around 57.
- Tuesday: Sunny, high near 70. Calm and dry.
- Wednesday: Partly sunny, high near 73. Low around 60.
- Thursday: Mostly sunny, high near 78. Low around 64.
