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 12:47 PM. The temperature feels like 28.35 with a humidity level of 85 so dress accordingly. Cloud coverage is 86 percent with visibility at 9.1 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 21 MPH. At the end of the day don’t miss the sunset at 10:23 PM.