By Ed Curran

CHICAGO (CBS) — After some showers in the Chicago area Tuesday, the main complex of storms moved east of the area and is becoming less organized.

The Severe Thunderstorm Watch has been canceled.

Although conditions will improve, there is the possibility of an isolated thunderstorm or two.

Any stray storms that may develop Tuesday evening have the ability to become strong or reach severe levels.

Tuesday evening will be partly cloudy, and Wednesday will bring partial sunshine. Cooler conditions will come to into Chicago, and the high by Friday is only in the mid-70s, about 5 degrees below the norm.

Forecast:

Tuesday night: Partly cloudy. Low 70

Wednesday: Partly sunny. High 81

Thursday: Sunshine. High 78