Chicago, Illinois – Bright sunshine is quickly taking over the Chicago skyline, and temperatures are climbing fast across northeastern Illinois. The comfortable start to the day won’t last. Pavement will heat up through the afternoon, parks will fill with summer crowds, and the warmest stretch of the week is now unfolding.
According to the National Weather Service, today’s high reaches around 88 degrees under sunny skies with light west winds near 5 mph before shifting east during the afternoon. The dry pattern continues, allowing temperatures to steadily build through midweek.
The next noticeable jump arrives Tuesday when highs reach 91 degrees, with heat index values approaching 95 degrees. While formal heat alerts are not currently posted, anyone spending extended time outdoors should stay hydrated and take frequent breaks during peak afternoon heating.
Drivers along I-90, I-94, I-290, Lake Shore Drive, and the Kennedy Expressway should expect excellent travel weather. Road conditions remain dry, but vehicles parked in direct sunlight will heat rapidly. Plan ahead if traveling with children or pets, and never leave anyone inside a parked vehicle.
The broader Midwest is monitoring severe thunderstorms and localized flash flooding farther west as a developing Plains storm system organizes. Current projections keep Chicago on the quieter side of that pattern through the next several days, with no significant tornado threat indicated in the official outlook for the metro area.
Wednesday brings another sunny afternoon near 88 degrees, followed by highs around 92 degrees Thursday. Warm nights in the middle 70s will provide only limited cooling, making consecutive hot afternoons feel increasingly uncomfortable.
Five-Day Forecast for Chicago, Illinois
- Today: Sunny. High 88°F.
- Tuesday: Sunny and warmer. High 91°F. Heat index up to 95°F.
- Wednesday: Sunny. High 88°F.
- Thursday: Mostly sunny. High 92°F.
- Friday: Mostly sunny. High 92°F.
