Overview

• Saturday evening in the Chicago area will see brisk conditions, with overnight lows dipping into the mid-to-upper 30s and a chance of patchy frost.
• Mostly sunny skies and cool temperatures defined Saturday, with highs reaching the mid-50s inland and hovering near 50 degrees along the lakefront.
• Sunday is expected to bring partly cloudy skies and highs in the upper 60s, with cooler conditions persisting near Lake Michigan.
• Monday will mark a significant warm-up, with temperatures forecast to climb into the low 80s, providing a brief taste of summer.
• Midweek precipitation is anticipated, leading to a cooldown with highs returning to the high 50s and low 60s later in the week.