If you planning to travel to Yellowstone Bear World, Rexburg, 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 2:56 PM. The temperature feels like 25.15 with a humidity level of 91 so dress accordingly. Cloud coverage is 58 percent with visibility at 11.3 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 9 MPH. At the end of the day don’t miss the sunset at 11:54 PM.