Chicago, Illinois – Warm afternoons and crisp nights will define the start of this September week as sunshine dominates across northern Illinois. Chicago residents should prepare for breezy conditions Tuesday evening, with wind gusts topping 15 mph along major routes including the Kennedy Expressway.
According to the National Weather Service, skies will stay mostly sunny Tuesday with a high near 77, while southeast winds increase through the evening. Gusty conditions could impact drivers on elevated stretches of I-90 and Lakeshore Drive. Monday night stays calm, with temperatures dipping to the mid-50s under mostly clear skies.
The quiet pattern continues into Wednesday, offering another mostly sunny day near 77. However, clouds return by Wednesday night, signaling a shift toward slightly more unsettled weather later in the week. Commuters should use caution during breezy periods, especially cyclists and high-profile vehicles.
Thursday and Friday will bring a return to abundant sunshine, with highs reaching into the upper 70s. By the weekend, warmer air pushes in, with Saturday climbing near 83 before conditions ease slightly on Sunday. While rain chances remain minimal, the persistent winds may keep evening temperatures feeling cooler along the lakeshore.
Residents are encouraged to secure lightweight outdoor items and remain alert to changing conditions, particularly during peak commute hours Tuesday evening.
Warnings are not in effect, but updated advisories could be issued if gusts increase.
Five Day Forecast for Chicago, Illinois
- Tuesday: Mostly sunny, high near 77. Evening gusts up to 15 mph.
- Wednesday: Mostly sunny, high near 77. Clouds increase at night.
- Thursday: Sunny, high near 76. Clear overnight, low near 64.
- Friday: Mostly sunny, high near 79. Evening low around 66.
- Saturday: Mostly sunny, high near 83. Low near 67.