If you planning to travel to Big Sky Resort, Gallatin Gateway, 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 3:02 PM. The temperature feels like 26.05 with a humidity level of 68 so dress accordingly. Cloud coverage is 63 percent with visibility at 14.6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 10 MPH. At the end of the day don’t miss the sunset at 11:46 PM.