If you planning to travel to Black Thunder Coal Mine, Gillette, Wyoming, 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 2:08 PM. The temperature feels like 20.200000000000003 with a humidity level of 65 so dress accordingly. Cloud coverage is 15 percent with visibility at 13.7 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 11:28 PM.