Chicago, Illinois – Warm September days continue in Chicago, but drivers along I-55 and Lake Shore Drive should prepare for shifting winds by Wednesday morning. Clear skies will dominate, yet cooler nights could impact commuters leaving late or waking early.
According to the National Weather Service, mostly sunny conditions return Wednesday with highs near 74 degrees and light south winds shifting east later in the day. Overnight, lows drop near 63, adding a crisp, fall-like feel by early Thursday. Road crews caution drivers that temperature swings can cause light fog patches before sunrise.
Thursday brings another sunny stretch with highs near 77, a welcome continuation for construction projects and morning commutes. However, the weekend looks less stable. Friday reaches 83 under full sun, but a Saturday night cold front brings showers that may dampen outdoor events and slow traffic on major highways.
Residents planning travel should charge phones, monitor local updates, and expect changing driving conditions Saturday night into early Sunday. Farmers markets, festivals, and sporting events across Cook County may also see weather impacts.
The pattern shifts again Sunday with partly sunny skies and highs near 78, while Monday cools back to the mid-70s. While severe storms are not expected, residents should remain alert for weekend rainfall.
Five Day Forecast for Chicago, Illinois:
- Wednesday: Mostly sunny, high near 74. Low around 63.
- Thursday: Sunny, high near 77. Low near 63.
- Friday: Sunny, high near 83. Low near 68.
- Saturday: Partly sunny, high near 86. Showers at night, low around 68.
- Sunday: Partly sunny, high near 78. Low around 64.
