Chicago, IL – Unseasonably warm temperatures and patchy fog are expected tonight across Chicago and Northwest Indiana, with highs climbing to the upper 70s near Lake Michigan. Saturday will remain mostly sunny, with highs reaching 87–91 degrees. However, storm systems will begin to move in late Saturday night, bringing cooler temperatures and rain chances into Sunday.
According to the National Weather Service, periods of showers and storms are expected Sunday, especially near I-39 and westward. Rain could linger into Monday, with highs dropping to the upper 60s and low 70s. If you’re traveling near major roads such as I-94 or I-55, expect wet and potentially hazardous driving conditions.
Plan ahead if you’re venturing outdoors or traveling this weekend. Check weather updates frequently and avoid driving in heavy downpours. Cooler temperatures are expected to return by mid-week, with highs in the low 70s by Wednesday.
