If you planning to travel to Willis Tower, Chicago, Illinois, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:41 AM. The temperature feels like 55.55 with a humidity level of 66 so dress accordingly. Cloud coverage is 19 percent with visibility at 17.1 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 12 MPH. At the end of the day don’t miss the sunset at 11:38 PM.