If you planning to travel to J.H. Keith Cascade Falls Picnic Area, Hot Springs, 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 11:25 AM. The temperature feels like 54.05 with a humidity level of 77 so dress accordingly. Cloud coverage is 90 percent with visibility at 10 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 21 MPH. At the end of the day don’t miss the sunset at 2:15 AM.