Overview

• Chicago recorded its first high of at least 70°F today, ending a 12-day stretch of cooler readings at Northerly Island, according to the National Weather Service.
• If May ended today, it would rank among the 10 driest on record for Chicago, with most of the month seeing minimal rainfall.
• Scattered showers moved through Wednesday and into the overnight hours, but Thursday will feature mostly cloudy skies with mixed sunshine and only isolated afternoon rain.
• Lake Michigan’s water temperature remains in the mid-50s, maintaining cooler air masses over the region and suppressing daytime highs.
• Forecasts show a significant warming trend beginning Sunday, with daytime temperatures expected to climb into the 80s through next week.