Partly cloudy with a twist! Chicago’s weather takes us on a rollercoaster from serene skies to storm warnings and back to balmy heatwaves. Stay updated and prepared with our latest forecast.

This week, Chicago and the Midwest navigate a labyrinth of weather patterns. We’ll see everything from clear, sunny days to unexpected storm clusters and tropical-like heat. Delve deeper into our comprehensive 7-day forecast as we unpack the potential impacts and safety tips for every weather shift!
Across the Midwest, the radar shows clear skies dominating much of the region from Chicago to Indianapolis and extending southward to Louisville. However, a cluster of severe storms is positioned just off the southeastern section, influencing areas like Charleston with active weather conditions. Out west, scattered rain showers are approaching Des Moines, indicating incoming wet weather. Fort Wayne and Detroit remain clear, enjoying calm conditions for now.
This evening in Chicago, anticipate a few showers around 9 PM with temperatures at 83 degrees, accompanied by a west-northwest wind at 5 miles per hour. By 11 PM, expect partly cloudy skies, cooling to 79 degrees with light winds shifting to a westerly direction. As the night progresses to 1 AM, partly cloudy conditions continue with temperatures dipping to 77 degrees, while gentle west winds persist.
Tonight, Chicago will experience a low of 73 degrees. Across the state line, Fort Wayne is expected to drop to 67, while Indianapolis will also see a low of 71. St. Louis will cool down to 71 degrees, and Kansas City will stay relatively warm at 73. Columbus will settle at 67, with Louisville at 70 and Cleveland a bit cooler at 66.
Tomorrow, we’re looking at some sizzling highs across the Midwest. Chicago is expected to reach 89 degrees, while Kansas City and St. Louis will see temperatures soaring to 93 degrees. Indianapolis and Louisville are not far behind, with highs around 90 to 91 degrees. This heat is well above average for this time of year. Keep hydrated, and stay cool!
A cold front pushes through the Midwest tonight, bringing a notable shift in the weather pattern. Expect thunderstorms across much of the region, with a risk of heavy rainfall from Chicago through Indianapolis by early morning. As the front moves eastward, areas from Detroit to Columbus should prepare for scattered storms by tomorrow afternoon. Temperatures will drop approximately 10 degrees post-frontal passage, providing brief relief from recent heat.
The UV index in Chicago is rated at 9 today, signaling very strong sun exposure where burn time can occur in about 15 minutes. Similarly, Thursday maintains the UV index at 9, so precautions like sunscreen and protective clothing are essential for outdoor activities.
For the 7-day forecast in Chicago: Wednesday: Partly cloudy skies with a high of 89 degrees and a low of 71 degrees. Thursday: Another partly cloudy day with highs around 89 degrees and lows of 72 degrees. Friday: The sun shines bright with mostly clear conditions, as temperatures climb to 94 degrees, dipping to 77 degrees at night. Saturday: Clear skies continue with a high of 94 degrees and a nighttime low of 77 degrees. Sunday: Watch out for isolated thunderstorms, with a high of 87 degrees and a low of 68 degrees. Monday: Cooler temperatures with partly cloudy skies, expect highs of 76 degrees and lows of 65 degrees. Tuesday: Partly cloudy once more as temperatures rise to 81 degrees, cooling to 68 degrees overnight.