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If you planning to travel to Rushmore Cave, Keystone, 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 11:10 AM. The temperature feels like 74.2 with a humidity level of 37 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.9 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 6 MPH. At the end of the day don’t miss the sunset at 2:40 AM.
