If you planning to travel to Sioux Empire Fairgrounds, Sioux Falls, South Dakota, 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 1:22 PM. The temperature feels like 40.8 with a humidity level of 87 so dress accordingly. Cloud coverage is 47 percent with visibility at 8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 8 MPH. At the end of the day don’t miss the sunset at 11:01 PM.