Traveling to Tatanka: Story of the Bison, Deadwood, South Dakota? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 2:25 PM and don’t miss the sunset at 11:16 PM. Today’s winds are traveling west-southwest at a speed of 9 MPH. The temperature feels like 29 with a humidity level of 58. Cloud coverage is 42 percent with 14.1 percent visibility. Today’s UV index is 2 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.