Even though it is subject to change, here is the weather for the series in Chicago.
Tuesday: Increasing clouds, with a high around 71. South wind between 10 and 15 mph.
Wednesday: A 30 percent chance of showers before noon. Partly cloudy, with a high near 69. West southwest wind between 5 and 15 mph.
Thursday: Partly cloudy, with a high near 66.