If you planning to travel to Catfish Bay Water Ski Park, 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 10:59 AM. The temperature feels like 44.5 with a humidity level of 78 so dress accordingly. Cloud coverage is 84 percent with visibility at 12.3 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 28 MPH. At the end of the day don’t miss the sunset at 1:45 AM.