Weather
Chicago Area Braces for Tuesday Warm-up and Wednesday Rain Chances
Chicago residents should prepare for a warm, humid Tuesday followed by rain and a cold front moving in mid week. Check the latest forecast for commute updates.
By Avery Collins · 2026-09-07T22:25:37.044Z
Chicago, Illinois – Residents across the Chicago area should prepare for a brief spike in humidity and temperatures before a cold front moves through mid week, bringing the potential for rain and isolated storms. With warmer conditions building throughout Tuesday, travelers and residents alike should remain aware of shifting conditions that could impact morning commutes on Wednesday.
According to the National Weather Service in Chicago , temperatures will climb significantly on Tuesday, reaching highs between 82 and 87 degrees. As the cold front advances, rain is expected to move into the region late Tuesday night and continue into Wednesday morning, with overnight lows dipping between 69 and 72 degrees. Officials noted that precipitation may focus well south of I 80 by Wednesday, where daytime highs are expected to settle between 78 and 88 degrees.
While conditions will turn briefly unsettled, dry and seasonable air is expected to return to the region for the remainder of the week. Residents are encouraged to monitor local updates as the front progresses. Keeping an eye on regional travel conditions, particularly near major corridors like I 80, remains a good practice as this system moves through the area. Ensure your devices are charged and stay updated on potential precipitation shifts as you head into your Wednesday schedule.
Four Day Outlook for Chicago, Illinois: Tuesday features warmer and more humid conditions with a high of 82 87 degrees. Wednesday brings rain mainly in the morning with a high of 78 88 degrees and a low of 57 66 degrees. Thursday offers a mix of sun and clouds with a high of 73 78 degrees and a low of 54 60 degrees. Friday sees improving conditions with a high of 78 83 degrees and a low of 60 66 degrees.