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 1:55 PM. The temperature feels like 34.35 with a humidity level of 44 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 11:23 PM.