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 11:50 AM. The temperature feels like 39.2 with a humidity level of 85 so dress accordingly. Cloud coverage is 63 percent with visibility at 6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:53 AM.