If you planning to travel to National Sprint Car Hall of Fame, Knoxville, Iowa, 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 61.95 with a humidity level of 97 so dress accordingly. Cloud coverage is 90 percent with visibility at 7 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 11:01 PM.