Weather Forecast for Big Thunder Gold Mine, Keystone, South Dakota

If you planning to travel to Big Thunder Gold Mine, 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 11:15 AM. The temperature feels like 60.05 with a humidity level of 41 so dress accordingly. Cloud coverage is 5 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 2:27 AM.