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Chicago weather: Downpours after midnight

Conditions were warm Tuesday ahead of the incoming cold front. Downpours and thunderstorms take shape after midnight through the morning rush.

A wet Wednesday is likely, especially for the first half of the day. That's when the organized shower and thunderstorm activity will line up along the front as it crosses our area.

Later in the day, instability showers may develop on the back side of the system as cooler air aloft filters into our region. 

Latest seven-day forecast:

Wednesday: Morning rain and thunder. High: 79, Low: 66

Thursday: PM sunshine. High: 77, Low: 58

Friday: Mostly sunny. High: 80, Low: 64

Saturday: Few PM storms. High: 83, Low: 62

Sunday: Storm chance. High: 78, Low: 62

Monday: Scattered storms. High: 76, Low: 64

Tuesday: Morning showers. High: 75, Low: 63

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