If you planning to travel to Two Top Mountain, Island Park, 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 2:10 PM. The temperature feels like 19.65 with a humidity level of 88 so dress accordingly. Cloud coverage is 86 percent with visibility at 3 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 16 MPH. At the end of the day don’t miss the sunset at 1:08 AM.