Overview

• Sunday afternoon temperatures are expected to reach the upper 60s inland and around 60°F near Lake Michigan under sunny skies.
• Monday's forecast predicts highs around 80°F, marking the first 80-degree day of 2025 at O'Hare International Airport.
• A trailing cold front Monday night brings a slight risk of severe storms to the Chicago area, with potential for intensification being monitored.
• Tuesday morning will open with muggy conditions and lows near 70°F, followed by mid-70s highs and isolated afternoon storms.
• Cooler, unsettled weather is expected midweek, with rain showers likely Wednesday and a soggy start to May on Thursday.