Chicago/ Weather & Environment

Fog, Clouds and Rain: Chicago Braces for a Wet Late Week

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Published on September 29, 2026
Fog, Clouds and Rain: Chicago Braces for a Wet Late WeekSource: Google Street View

Chicago could see patchy fog Tuesday morning, with temperatures in the low to mid-50s. The day should be dry and slightly warmer than Monday.

The National Weather Service Chicago says patchy fog is possible Tuesday morning. Drivers should slow down, use low beams and leave extra following distance where visibility dips.

Foggy Start, Partly Sunny Tuesday

Fog should burn off rather quickly. Tuesday is expected to have a good deal of cloud cover, with partly sunny skies and highs in the mid-70s.

Rain showers become likely Wednesday.

Rain Chances Continue Through Friday

Rain is likely Thursday, with a chance of heavy downpours. More showers are expected Thursday night, followed by cooler temperatures toward the end of the week.

The heaviest rain threat is expected to shift out of the area Friday.

Cooler Temperatures Ahead

Cooler temperatures should return toward the end of the week and into the weekend.