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Sunny skies, highs in the 90s in Chicago

Hottest day of the year so far
Hottest day of the year so far 02:33

CHICAGO (CBS) — A Weather Alert is in effect Thursday evening as numerous storms are expected to develop, potentially containing damaging hail and wind. An isolated tornado is also possible.

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Ahead of the storm, the hottest temperatures of the year continue, with overnight lows in the middle 70s and highs topping 90 degrees.

Most rain is expected during the Thursday evening commute, beginning around 5 p.m. and continuing until 10 p.m.

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CBS

Cooler, less humid weather returns briefly on Friday and Saturday. Heat, humidity, and another storm chance will begin on Father's Day and continue into next week.

Tonight: Mostly cloudy with a sprinkle. Record-tying warmth. Low: 74

Thursday: Late-day storms, some of which may be severe. High: 92

Friday: Mostly sunny. Cooler lakeside. High: 78

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