If you planning to travel to Sun Valley Ski Resort, Sun Valley, Idaho, 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 2:16 PM. The temperature feels like 17.25 with a humidity level of 72 so dress accordingly. Cloud coverage is 27 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 12:25 AM.