If you planning to travel to Yellowstone Big Gun Fun, West Yellowstone, Montana, 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 2:58 PM. The temperature feels like 5.6499999999999995 with a humidity level of 86 so dress accordingly. Cloud coverage is 79 percent with visibility at 9.4 percent. Today’s UV index is 2, 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 12:05 AM.