Heading out in Chicago tomorrow? Expect partly cloudy skies with a high of 77°F and a cool evening as lows dip to 66°F. Get more details on what the week holds for Chicago’s weather in our full blog post!

The Chicago area beckons with a forecast of partly cloudy skies tomorrow morning, setting the stage for a temperate day with a high of 77°F. As the region braces for a cold front, we anticipate significant weather changes, including potential thunderstorms and cooler temperatures by the weekend. Dive into our detailed analysis of what these shifts mean for your daily activities and how you can best prepare for a week of weather anomalies.
The Midwest regional radar is relatively quiet today, with only a few areas of activity. Light rain showers are seen moving towards Detroit, while heavier showers are building just north of Cleveland. The area around Chicago remains under clear conditions. Indianapolis and Fort Wayne are currently experiencing cloudy skies with no precipitation, and down in St. Louis, there are clear skies offering a break from any stormy weather.
In Chicago tomorrow morning, temperatures will start at 71 degrees and rise to 74 degrees by 11 AM under partly cloudy skies. Expect a northeast wind, adding a gentle breeze to the morning. The sun will peek through more by late morning as cloud cover decreases, with a temperature climbing to 75 degrees by 1 PM.
Tomorrow in the Midwest, Kansas City and Springfield will be sizzling with highs reaching 89 degrees, significantly above average for this time of year. St. Louis will also warm up to 84 degrees, while Peoria and Louisville will hit 83 and 84 degrees, respectively. In contrast, Chicago will be cooler at 77 degrees, along with Detroit and Cleveland, also both reaching 77 and 72 degrees. A warm front is influencing these above-average temperatures, bringing unseasonably warm air across the region.
A cold front is set to sweep through the Midwest starting late Thursday evening, bringing a marked change in weather. Expect thunderstorms from Des Moines to Peoria with the potential for heavy rainfall and gusty winds. The system will move eastward towards Indianapolis and Cleveland by Friday morning, with showers and storms continuing. Possible severe weather risks include localized flooding and strong winds. By Friday afternoon, cooler air filters in, reducing temperatures by nearly 10 degrees and leading to clearer skies by the weekend.
Chicago’s UV index today is moderate with a value of 5, implying a burn time of about 20 minutes in direct sunlight. Tomorrow, expect the UV index to dip slightly to 4, with a burn time of 17 minutes. Make sure to have sun protection handy!
For the 7 Day Outlook in Chicago: Thursday: Anticipate partly cloudy skies with a high of 77 degrees and a low of 66 degrees. Friday: Warmer weather is on the way, with mostly sunny conditions and a high of 82 degrees, cooling to 68 degrees at night. Saturday: The heat continues with mostly sunny skies and a high of 84 degrees. Expect a nighttime low of 60 degrees. Sunday: Partly sunny skies with temperatures reaching a comfortable 76 degrees and a cooler evening low of 57 degrees. Monday: There’s a trend of cooler temperatures with rain more likely; look for a high of 71 degrees and a low of 56 degrees. Tuesday: Cloudy skies and similar temperatures, peaking at 73 degrees and descending to 56 degrees. Wednesday: Conditions improve slightly as the sun peaks through clouds, high near 76 degrees and low of 58 degrees.