If you planning to travel to Siouxland Surgical Center, Dakota Dunes, 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 11:00 AM. The temperature feels like 73.25 with a humidity level of 78 so dress accordingly. Cloud coverage is 9 percent with visibility at 12.4 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 8 MPH. At the end of the day don’t miss the sunset at 2:02 AM.